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title_diff: "[{\"diffs\":[[1,\"DNS域名解析，以及A、AAAA、CNAME、MX、NS、TXT、SRV、SOA、PTR说\"]],\"start1\":0,\"start2\":0,\"length1\":0,\"length2\":45}]"
body_diff: "[{\"diffs\":[[1,\"<html>\\\r\\\n<head>\\\r\\\n  <title>DNS域名解析，以及A、AAAA、CNAME、MX、NS、TXT、SRV、SOA、PTR说明_dns txt-CSDN博客</title>\\\r\\\n  <basefont face=\\\"微软雅黑\\\" size=\\\"2\\\" />\\\r\\\n  <meta http-equiv=\\\"Content-Type\\\" content=\\\"text/html;charset=utf-8\\\" />\\\r\\\n  <meta name=\\\"exporter-version\\\" content=\\\"YXBJ Windows/608924 (zh-CN, DDL); Windows/10.0.0 (Win64); EDAMVersion=V2;\\\"/>\\\r\\\n  <style>\\\r\\\n\\tbody, td {\\\r\\\n\\t  font-family: 微软雅黑;\\\r\\\n\\t  font-size: 12pt;\\\r\\\n\\t}\\\r\\\n  </style>\\\r\\\n</head>\\\r\\\n<body>\\\r\\\n<a name=\\\"34215\\\"></a>\\\r\\\n<h1>DNS域名解析，以及A、AAAA、CNAME、MX、NS、TXT、SRV、SOA、PTR说明_dns txt-CSDN博客</h1>\\\r\\\n\\\r\\\n<div><span>\\\n  <div style=\\\"--en-clipped-content:article\\\"><div style=\\\"font-size: 16px; display:block; min-width: 100%; position: relative;\\\"> <div style=\\\"-webkit-tap-highlight-color:transparent;outline:0px;box-sizing:border-box;color-scheme:light;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;\\\"><div style=\\\"font-weight:normal;background:url(https://csdnimg.cn/release/blogv2/dist/pc/themesSkin/skin-code/images/bg.png?v20200831) repeat;outline:0px;box-sizing:inherit;color:rgb(51, 51, 51);line-height:1.57143;font-size:14px;background-color:rgb(245, 246, 247);font-family:Inter, -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif;-webkit-font-smoothing:antialiased;\\\"><div style=\\\"font-weight:normal;outline:0px;box-sizing:inherit;-webkit-box-pack:center;justify-content:center;\\\"><div style=\\\"font-weight:normal;outline:0px;box-sizing:inherit;\\\"><span style=\\\"outline:0px;box-sizing:inherit;\\\"><div 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style=\\\"font-weight:normal;outline:0px;box-sizing:inherit;margin:0px;padding:0px;position:relative;background:rgb(248, 248, 248);border-radius:4px;\\\">\\\n                <div style=\\\"font-weight:normal;outline:0px;box-sizing:inherit;margin:0px;padding:0px;color:rgb(153, 154, 170);width:88%;display:flex;\\\">\\\n                    <img src=\\\":/e4671df55b7a4a1db8709ece3374e239\\\" type=\\\"image/png\\\" data-filename=\\\"original.png\\\" height=\\\"32\\\" style=\\\"border:0px;box-sizing:inherit;outline:0px;width:36px;height:32px;line-height:32px;\\\" width=\\\"36\\\"/>\\\n                    <div style=\\\"font-weight:normal;outline:0px;box-sizing:inherit;margin:0px;padding:0px;display:flex;flex-wrap:wrap;-webkit-box-align:center;align-items:center;padding-left:12px;\\\">\\\n                      <a href=\\\"https://blog.csdn.net/yangyangye\\\" rel=\\\"noopener\\\" 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      </div>                  </div></div>\\\n    <div style=\\\"outline:0px;box-sizing:inherit;display:block;position:relative;padding-top:16px;\\\">\\\n        <div style=\\\"font-weight:normal;outline:0px;box-sizing:inherit;margin:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;height:auto;max-height:none;\\\">\\\n        \\\n        \\\n             \\\n                <div style=\\\"font-weight:normal;outline:0px;box-sizing:inherit;margin:0px;padding:0px;font-family:-apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif, SimHei, SimSun;font-synthesis-style:auto;overflow-wrap:break-word;position:relative;min-height:70px;font-size:16px;\\\">\\\n                    <p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\"><span style=\\\"margin:0px;padding:0px;outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;font-weight:700;color:#fe2c24;\\\">温故知新，最近网上开到相关文章，这里终结记录一下，供大家参考。</span></strong></p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;margin-bottom:24px;font-size:16px;line-height:24px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">目录</strong></p> \\\n<p style=\\\"box-sizing:border-box;margin:0px 0px 2px;outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;font-size:16px;line-height:24px;padding-left:24px;\\\"><a href=\\\"https://blog.csdn.net/zzhongcy/article/details/130644687#t0\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(78, 161, 219);text-decoration:none;\\\" target=\\\"_self\\\">1.A记录</a></p> \\\n<p style=\\\"box-sizing:border-box;margin:0px 0px 2px;outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;font-size:16px;line-height:24px;padding-left:24px;\\\"><a href=\\\"https://blog.csdn.net/zzhongcy/article/details/130644687#t1\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(78, 161, 219);text-decoration:none;\\\" target=\\\"_self\\\">2、CNAME：</a></p> \\\n<p style=\\\"box-sizing:border-box;margin:0px 0px 2px 48px;outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;font-size:16px;line-height:24px;padding-left:24px;\\\"><a href=\\\"https://blog.csdn.net/zzhongcy/article/details/130644687#t2\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(78, 161, 219);text-decoration:none;\\\" target=\\\"_self\\\">两种域名解析方式</a></p> \\\n<p style=\\\"box-sizing:border-box;margin:0px 0px 2px;outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;font-size:16px;line-height:24px;padding-left:24px;\\\"><a href=\\\"https://blog.csdn.net/zzhongcy/article/details/130644687#t3\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(78, 161, 219);text-decoration:none;\\\" target=\\\"_self\\\">4、NS记录</a></p> \\\n<p style=\\\"box-sizing:border-box;margin:0px 0px 2px;outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;font-size:16px;line-height:24px;padding-left:24px;\\\"><a href=\\\"https://blog.csdn.net/zzhongcy/article/details/130644687#t4\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(78, 161, 219);text-decoration:none;\\\" target=\\\"_self\\\">5、TXT记录：</a></p> \\\n<p style=\\\"box-sizing:border-box;margin:0px 0px 2px;outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;font-size:16px;line-height:24px;padding-left:24px;\\\"><a href=\\\"https://blog.csdn.net/zzhongcy/article/details/130644687#t5\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(78, 161, 219);text-decoration:none;\\\" target=\\\"_self\\\">6、AAAA记录：</a></p> \\\n<p style=\\\"box-sizing:border-box;margin:0px 0px 2px;outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;font-size:16px;line-height:24px;padding-left:24px;\\\"><a href=\\\"https://blog.csdn.net/zzhongcy/article/details/130644687#t6\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(78, 161, 219);text-decoration:none;\\\" target=\\\"_self\\\">7、SRV记录：</a></p> \\\n<p style=\\\"box-sizing:border-box;margin:0px 0px 2px;outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;font-size:16px;line-height:24px;padding-left:24px;\\\"><a href=\\\"https://blog.csdn.net/zzhongcy/article/details/130644687#t7\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(78, 161, 219);text-decoration:none;\\\" target=\\\"_self\\\">8、SOA记录：</a></p> \\\n<p style=\\\"box-sizing:border-box;margin:0px 0px 2px;outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;font-size:16px;line-height:24px;padding-left:24px;\\\"><a href=\\\"https://blog.csdn.net/zzhongcy/article/details/130644687#t8\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(78, 161, 219);text-decoration:none;\\\" target=\\\"_self\\\">9、PTR记录：</a></p> \\\n<p style=\\\"box-sizing:border-box;margin:0px 0px 2px;outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;font-size:16px;line-height:24px;padding-left:24px;\\\"><a href=\\\"https://blog.csdn.net/zzhongcy/article/details/130644687#t9\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(78, 161, 219);text-decoration:none;\\\" target=\\\"_self\\\">10、相关说明</a></p> \\\n<p style=\\\"box-sizing:border-box;margin:0px 0px 2px;outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;font-size:16px;line-height:24px;padding-left:24px;\\\"><a href=\\\"https://blog.csdn.net/zzhongcy/article/details/130644687#t10\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(78, 161, 219);text-decoration:none;\\\" target=\\\"_self\\\">11. DNS解析中一些问题</a></p> \\\n<p style=\\\"box-sizing:border-box;margin:0px 0px 2px 48px;outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;font-size:16px;line-height:24px;padding-left:24px;\\\"><a href=\\\"https://blog.csdn.net/zzhongcy/article/details/130644687#t11\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(78, 161, 219);text-decoration:none;\\\" target=\\\"_self\\\">11.1 A记录与CNAME记录</a></p> \\\n<p style=\\\"box-sizing:border-box;margin:0px 0px 2px 48px;outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;font-size:16px;line-height:24px;padding-left:24px;\\\"><a href=\\\"https://blog.csdn.net/zzhongcy/article/details/130644687#t12\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(78, 161, 219);text-decoration:none;\\\" target=\\\"_self\\\">11.2 A记录与AAAA记录</a></p> \\\n<p style=\\\"box-sizing:border-box;margin:0px 0px 2px 48px;outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;font-size:16px;line-height:24px;padding-left:24px;\\\"><a href=\\\"https://blog.csdn.net/zzhongcy/article/details/130644687#t13\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(78, 161, 219);text-decoration:none;\\\" target=\\\"_self\\\">11.3 IPv4与IPv6</a></p> \\\n<p style=\\\"box-sizing:border-box;margin:0px 0px 2px 48px;outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;font-size:16px;line-height:24px;padding-left:24px;\\\"><a href=\\\"https://blog.csdn.net/zzhongcy/article/details/130644687#t14\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(78, 161, 219);text-decoration:none;\\\" target=\\\"_self\\\">11.4 TTL值</a></p> \\\n<p style=\\\"box-sizing:border-box;margin:0px 0px 2px;outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;font-size:16px;line-height:24px;padding-left:24px;\\\"><a href=\\\"https://blog.csdn.net/zzhongcy/article/details/130644687#t15\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(78, 161, 219);text-decoration:none;\\\" target=\\\"_self\\\">12、查看DNS方法（dig、nslookup工具）</a></p> \\\n<p style=\\\"box-sizing:border-box;margin:0px 0px 2px;outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;font-size:16px;line-height:24px;padding-left:24px;\\\"><a href=\\\"https://blog.csdn.net/zzhongcy/article/details/130644687#t16\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(78, 161, 219);text-decoration:none;\\\" target=\\\"_self\\\">参考：</a></p> \\\n<hr style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;margin:24px 0px;border-top:none;border-right:none;border-left:none;border-image:initial;border-bottom:1px solid rgb(204, 204, 204);\\\"/> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"></p> \\\n<h2 style=\\\"font-family:&quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(79, 79, 79);font-weight:600;line-height:32px;margin:24px 0px 8px;font-size:22px;\\\"><a style=\\\"padding:0px;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;margin:24px 0px 8px;font-weight:600;color:rgb(78, 161, 219);text-decoration:none;\\\"></a><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;color:rgb(79, 79, 79);margin:24px 0px 8px;font-weight:600;\\\">1.</strong>A记录</h2> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">        A (<span style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;cursor:pointer;margin-right:3px;padding-right:18px;background:url(https://csdnimg.cn/release/blogv2/dist/pc/css/../img/gitcode-key.png) right center / 14px 14px no-repeat transparent;box-shadow:none;color:rgb(78, 161, 219);\\\">Address</span>) 记录是用来指定主机名（或域名）对应的IP地址记录。用户可以将该域名下的网站服务器指向到自己的web server上。同时也可以设置您域名的二级域名。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">        又称IP指向，用户可以在此设置子域名并指向到自己的目标主机地址上，从而实现通过域名找到服务器。<br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/>         说明：·指向的目标主机地址类型只能使用IP地址；</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">1) 添加A记录</strong></p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">        在“主机名”中填入子域的名字，“类型”为A，“IP地址/主机名”中填入web服务器的IP地址，点击“新增”按钮即可。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">        注：如果“主机名”一栏为空则表示对域名mydomain.com本身做指向。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">2) 修改A记录</strong><br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/>         只要在“IP地址/主机名”一栏中将原来的IP地址直接修改为新IP地址，然后点击“修改”按钮即可。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">3) 删除A记录</strong><br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/>         点击要删除的A记录后面对应的“删除”按钮即可。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">4) 泛域名解析</strong><br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/>         即将该域名所有未指定的子域名都指向一个空间。<br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/> 在“主机名”中填入*，“类型”为A，“IP地址/主机名”中填入web服务器的IP地址，点击“新增”按钮即可。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">5) 负载均衡的实现：</strong><br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/>         负载均衡(<span style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;cursor:pointer;margin-right:3px;padding-right:18px;background:url(https://csdnimg.cn/release/blogv2/dist/pc/css/../img/gitcode-key.png) right center / 14px 14px no-repeat transparent;box-shadow:none;color:rgb(78, 161, 219);\\\">Server</span> Load Balancing，SLB)是指在一系列资源上面动态地分布网络负载。负载均衡可以减少网络拥塞，提高整体网络<a href=\\\"https://marketing.csdn.net/p/3127db09a98e0723b83b2914d9256174?pId=2782&amp;utm_source=glcblog&amp;spm=1001.2101.3001.7020\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;padding-left:3px;border-radius:3px;margin-right:3px;background:url(https://csdnimg.cn/release/blogv2/dist/pc/css/../img/iconHighlight.svg) right top / 12px 14px no-repeat transparent;box-shadow:none;padding-right:14px;text-decoration:none;color:rgb(252, 85, 49);\\\" target=\\\"_blank\\\">性能</a>，提高自愈性，并确保企业关键性应用的可用性。<br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/> 当相同子域名有多个目标地址时，表示轮循，可以达到负载均衡的目的，但需要虚拟主机服务商支持。</p> \\\n<h2 style=\\\"font-family:&quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(79, 79, 79);font-weight:600;line-height:32px;margin:24px 0px 8px;font-size:22px;\\\"><a style=\\\"padding:0px;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;margin:24px 0px 8px;font-weight:600;color:rgb(78, 161, 219);text-decoration:none;\\\"></a><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;color:rgb(79, 79, 79);margin:24px 0px 8px;font-weight:600;\\\">2、CNAME：</strong></h2> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">        <a href=\\\"https://so.csdn.net/so/search?q=CNAME&amp;spm=1001.2101.3001.7020\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;padding-left:3px;border-radius:3px;margin-right:3px;background:url(https://csdnimg.cn/release/blogv2/dist/pc/css/../img/iconHighlight.svg) right top / 12px 14px no-repeat transparent;box-shadow:none;padding-right:14px;text-decoration:none;color:rgb(252, 85, 49);\\\" target=\\\"_blank\\\">CNAME</a>( Canonical name )即：别名记录。这种记录允许您将多个名字映射到同一台计算机。通常用于同时提供WWW和MAIL服务的计算机。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">        例如，有一台计算机名为“host.mydomain.com”（A记录）。它同时提供WWW和MAIL服务，为了便于用户访问服务。可以为该计算机设置两个别名（CNAME）：WWW和MAIL。这两个别名的全称就是www.mydomain.com和“mail.mydomain.com”。实际上他们都指向“host.mydomain.com”。<br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/> 　　可以这样理解：</p> \\\n<ul style=\\\"font-weight:normal;outline:0px;list-style:none;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;font-size:16px;margin:0px 0px 24px;padding:0px;\\\"><li style=\\\"font-weight:normal;list-style:none;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;list-style-type:disc;margin:8px 0px 0px 32px;\\\">别名：www.mydomain.com 指向 主机名：host.mydomain.com 指向主机IP：127.0.0.1</li><li style=\\\"font-weight:normal;list-style:none;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;list-style-type:disc;margin:8px 0px 0px 32px;\\\">别名：mail.mydomain.com 指向 主机名：host.mydomain.com 指向主机IP：127.0.0.1</li></ul> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">　　上面的主机IP为假设，以便于理解。当在浏览器输入别名www.mydomain.com 和mail.mydomain.com，等同于输入主机名host.mydomain.com ，也等同于输入主机IP127.0.0.1。CNAME记录就是把别名指向（映射到）主机名的过程。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">-----------------------<br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/>         CNAME通常称别名指向。您可以为一个主机设置别名。比如设置test.mydomain.com，用来指向一个主机www.linkesky.com那么以后就可以用test.mydomain.com来代替访问www.linkesky.com了。<br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/> 说明：</p> \\\n<ul style=\\\"font-weight:normal;outline:0px;list-style:none;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;font-size:16px;margin:0px 0px 24px;padding:0px;\\\"><li style=\\\"font-weight:normal;list-style:none;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;list-style-type:disc;margin:8px 0px 0px 32px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\"><span style=\\\"margin:0px;padding:0px;outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;font-weight:700;color:#fe2c24;\\\">-CNAME的目标主机地址只能使用主机名，不能使用IP地址；</span></strong></li><li style=\\\"font-weight:normal;list-style:none;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;list-style-type:disc;margin:8px 0px 0px 32px;\\\">-主机名前不能有任何其他前缀，如：http://等是不被允许的；</li><li style=\\\"font-weight:normal;list-style:none;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;list-style-type:disc;margin:8px 0px 0px 32px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\"><span style=\\\"margin:0px;padding:0px;outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;font-weight:700;color:#fe2c24;\\\">-A记录优先于CNAME记录。即如果一个主机地址同时存在A记录和CNAME记录，则CNAME记录不生效。</span></strong></li></ul> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">1) 添加CNAME记录</strong><br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/>         在“主机名”中填入子域的名字，“类型”为CNAME，“IP地址/主机名”中填入目标地址，点击“新增”按钮即可。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">2) 修改CNAME记录</strong><br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/>         只要在“IP地址/主机名”一栏中将原来的目标地址直接修改为新地址，然后点击“修改”按钮即可。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">3) 删除CNAME记录</strong><br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/>         点击要删除的CNAME记录后面对应的“删除”按钮即可。</p> \\\n<h3 style=\\\"font-family:&quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(79, 79, 79);font-weight:600;line-height:30px;margin:24px 0px 8px;font-size:20px;\\\"><a style=\\\"padding:0px;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;margin:24px 0px 8px;font-weight:600;color:rgb(78, 161, 219);text-decoration:none;\\\"></a>两种<a href=\\\"https://so.csdn.net/so/search?q=%E5%9F%9F%E5%90%8D%E8%A7%A3%E6%9E%90&amp;spm=1001.2101.3001.7020\\\" style=\\\"padding:0px;outline:0px;cursor:pointer;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;margin:24px 0px 8px;font-weight:600;padding-left:3px;border-radius:3px;margin-right:3px;background:url(https://csdnimg.cn/release/blogv2/dist/pc/css/../img/iconHighlight.svg) right top / 12px 14px no-repeat transparent;box-shadow:none;padding-right:14px;text-decoration:none;color:rgb(252, 85, 49);\\\" target=\\\"_blank\\\">域名解析</a>方式</h3> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">        最常见的两种域名解析方式为<span style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:#fe2c24;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">A记录域名解析</strong></span>和<span style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:#fe2c24;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">CNAME域名解析</strong></span>。ALB对外提供域名，只支持CNAME域名解析。</p> \\\n<ul style=\\\"font-weight:normal;outline:0px;list-style:none;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;font-size:16px;margin:0px 0px 24px;padding:0px;\\\"><li style=\\\"font-weight:normal;list-style:none;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;list-style-type:disc;margin:8px 0px 0px 32px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">A记录域名解析</strong> <p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">A记录域名解析又称IP指向，您可以设置子域名并指向到自己的目标主机IP上，从而实现通过域名找到指定IP。应用型负载均衡ALB默认对外提供公网IP访问，如需通过域名访问主机，可以配置A记录域名解析，具体实现方案如下图所示：</p> <p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;margin:0px 0px 16px;box-sizing:border-box;text-align:center;font-size:16px;line-height:24px;\\\"><img src=\\\":/47fbbcbb5fbd46edb4da66d9f8e4954b\\\" type=\\\"image/jpeg\\\" data-filename=\\\"3b6e595a9d4b285fb163269b464a143e.png\\\" height=\\\"370\\\" style=\\\"border:0px;outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;max-width:100%;height:auto;box-sizing:border-box;cursor:zoom-in;\\\" width=\\\"696\\\"/></p> </li><li style=\\\"font-weight:normal;list-style:none;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;list-style-type:disc;margin:8px 0px 0px 32px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">CNAME域名解析</strong> <p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">CNAME域名解析又称别名解析，您可以设置子域名并指向到其他域名，从而实现将一个域名指向另一个域名。应用型<span style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:#fe2c24;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">负载均衡</strong></span>ALB默认对外提供域名访问，如果通过其他域名访问请配置CNAME域名解析，具体实现方案如下图所示：</p> <p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;margin:0px 0px 16px;box-sizing:border-box;text-align:center;font-size:16px;line-height:24px;\\\"><img src=\\\":/caf662ba585f4229b8c99ea8cd41936b\\\" type=\\\"image/png\\\" data-filename=\\\"7620355282abfb3742ceebcfd9ee4508.png\\\" height=\\\"374\\\" style=\\\"border:0px;outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;max-width:100%;height:auto;box-sizing:border-box;cursor:zoom-in;\\\" width=\\\"740\\\"/></p> </li></ul> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">3、<a href=\\\"http://blog.linkesky.com/?tag=mx%E8%AE%B0%E5%BD%95\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;outline:0px;cursor:pointer;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;color:rgb(78, 161, 219);text-decoration:none;font-weight:700;\\\" title=\\\"MX记录\\\">MX记录</a>：</strong></p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">        MX( Mail exchanger )邮件路由记录，用户可以将该域名下的邮件服务器指向到自己的mail server上，然后即可自行操控所有的邮箱设置。您只需在线填写您服务器的IP地址，即可将您域名下的邮件全部转到您自己设定相应的邮件服务器上。<br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/>         邮件交换记录。用于将以该域名为结尾的电子邮件指向对应的邮件服务器以进行处理。如：用户所用的邮件是以域名mydomain.com为结尾的，则需要在管理界面中添加该域名的<a href=\\\"http://blog.linkesky.com/?tag=mx%E8%AE%B0%E5%BD%95\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(78, 161, 219);text-decoration:none;\\\" title=\\\"MX记录\\\">MX记录</a>来处理所有以@mydomain.com结尾的邮件。<br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/> 说明：</p> \\\n<ul style=\\\"font-weight:normal;outline:0px;list-style:none;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;font-size:16px;margin:0px 0px 24px;padding:0px;\\\"><li style=\\\"font-weight:normal;list-style:none;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;list-style-type:disc;margin:8px 0px 0px 32px;\\\">·MX记录可以使用主机名或IP地址；</li><li style=\\\"font-weight:normal;list-style:none;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;list-style-type:disc;margin:8px 0px 0px 32px;\\\">·MX记录可以通过设置优先级实现主辅服务器设置，“优先级”中的数字越小表示级别越高。也可以使用相同优先级达到负载均衡的目的；</li><li style=\\\"font-weight:normal;list-style:none;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;list-style-type:disc;margin:8px 0px 0px 32px;\\\">·如果在“主机名”中填入子域名则此MX记录只对该子域名生效。</li></ul> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">1)添加MX记录</strong><br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/> “主机名”一栏为空，“类型”为MX，“IP地址/主机名”中填入目标地址或IP，“优先级”里填入数字（必须为整数），点击“新增”按钮即可。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">2) 修改MX记录</strong><br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/> 只要在“IP地址/主机名”一栏中将原来的目标地址或IP直接修改为新地址或IP，然后点击“修改”按钮即可。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">3) 删除MX记录</strong><br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/> 点击要删除的MX记录后面对应的“删除”按钮即可。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">4) 负载均衡</strong><br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/> 服务器负载均衡(Server Load Balancing，SLB)是指在一系列资源上面智能地分布网络负载。负载均衡可以减少网络拥塞，提高整体网络性能，提高自愈性，并确保企业关键性应用的可用性。<br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/> 当域名的MX记录有多个目标地址且优先级相同时，表示轮循，可以达到负载均衡的目的，但需要邮箱服务商支持。</p> \\\n<h2 style=\\\"font-family:&quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(79, 79, 79);font-weight:600;line-height:32px;margin:24px 0px 8px;font-size:22px;\\\"><a style=\\\"padding:0px;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;margin:24px 0px 8px;font-weight:600;color:rgb(78, 161, 219);text-decoration:none;\\\"></a><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;color:rgb(79, 79, 79);margin:24px 0px 8px;font-weight:600;\\\">4、NS记录</strong></h2> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">        解析服务器记录。用来表明由哪台服务器对该域名进行解析。这里的NS记录只对子域名生效。例如用户希望由12.34.56.78这台服务器解析news.mydomain.com，则需要设置news.mydomain.com的NS记录。<br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/> 说明：</p> \\\n<ul style=\\\"font-weight:normal;outline:0px;list-style:none;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;font-size:16px;margin:0px 0px 24px;padding:0px;\\\"><li style=\\\"font-weight:normal;list-style:none;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;list-style-type:disc;margin:8px 0px 0px 32px;\\\">·“优先级”中的数字越小表示级别越高；</li><li style=\\\"font-weight:normal;list-style:none;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;list-style-type:disc;margin:8px 0px 0px 32px;\\\">·“IP地址/主机名”中既可以填写IP地址，也可以填写像ns.mydomain.com这样的主机地址，但必须保证该主机地址有效。如，将 news.mydomain.com的NS记录指向到ns.mydomain.com，在设置NS记录的同时还需要设置ns.mydomain.com的 指向，否则NS记录将无法正常解析；</li><li style=\\\"font-weight:normal;list-style:none;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;list-style-type:disc;margin:8px 0px 0px 32px;\\\">·NS记录优先于A记录。即，如果一个主机地址同时存在NS记录和A记录，则A记录不生效。这里的NS记录只对子域名生效。</li></ul> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">1) 添加NS记录</strong><br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/>         在“主机名”中填入子域的名字，“类型”为NS，“IP地址/主机名”中填入解析服务器的IP地址或名称（如ns.mydomain.com），点击“新增”按钮即可。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">2) 修改NS记录</strong><br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/>         只要在“IP地址/主机名”一栏中将原来的服务器目标地址或IP直接修改为新地址或IP，然后点击“修改”按钮即可。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">3) 删除NS记录</strong><br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/>         点击要删除的NS记录后面对应的“删除”按钮即可。</p> \\\n<h2 style=\\\"font-family:&quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(79, 79, 79);font-weight:600;line-height:32px;margin:24px 0px 8px;font-size:22px;\\\"><a style=\\\"padding:0px;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;margin:24px 0px 8px;font-weight:600;color:rgb(78, 161, 219);text-decoration:none;\\\"></a><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;color:rgb(79, 79, 79);margin:24px 0px 8px;font-weight:600;\\\">5、TXT记录</strong>：</h2> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">        可任意填写，可为空。一般做一些验证记录时会使用此项，如：做SPF（反垃圾邮件）记录</p> \\\n<h2 style=\\\"font-family:&quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(79, 79, 79);font-weight:600;line-height:32px;margin:24px 0px 8px;font-size:22px;\\\"><a style=\\\"padding:0px;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;margin:24px 0px 8px;font-weight:600;color:rgb(78, 161, 219);text-decoration:none;\\\"></a><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;color:rgb(79, 79, 79);margin:24px 0px 8px;font-weight:600;\\\">6、AAAA记录</strong>：</h2> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">        将主机名（或域名）指向一个IPv6地址（例如：ff03:0:0:0:0:0:0:c1），需要添加AAAA记录</p> \\\n<h2 style=\\\"font-family:&quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(79, 79, 79);font-weight:600;line-height:32px;margin:24px 0px 8px;font-size:22px;\\\"><a style=\\\"padding:0px;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;margin:24px 0px 8px;font-weight:600;color:rgb(78, 161, 219);text-decoration:none;\\\"></a><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;color:rgb(79, 79, 79);margin:24px 0px 8px;font-weight:600;\\\">7、SRV记录</strong>：</h2> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">        添加服务记录服务器服务记录时会添加此项，SRV记录了哪台计算机提供了哪个服务。格式为：服务的名字.协议的类型（例如：_example-server._tcp）。</p> \\\n<h2 style=\\\"font-family:&quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(79, 79, 79);font-weight:600;line-height:32px;margin:24px 0px 8px;font-size:22px;\\\"><a style=\\\"padding:0px;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;margin:24px 0px 8px;font-weight:600;color:rgb(78, 161, 219);text-decoration:none;\\\"></a><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;color:rgb(79, 79, 79);margin:24px 0px 8px;font-weight:600;\\\">8、SOA记录</strong>：</h2> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">        <a href=\\\"https://so.csdn.net/so/search?q=SOA&amp;spm=1001.2101.3001.7020\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;padding-left:3px;border-radius:3px;margin-right:3px;background:url(https://csdnimg.cn/release/blogv2/dist/pc/css/../img/iconHighlight.svg) right top / 12px 14px no-repeat transparent;box-shadow:none;padding-right:14px;text-decoration:none;color:rgb(252, 85, 49);\\\" target=\\\"_blank\\\">SOA</a>叫做起始授权机构记录，NS用于标识多台域名解析服务器，SOA记录用于在众多NS记录中那一台是主服务器</p> \\\n<h2 style=\\\"font-family:&quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(79, 79, 79);font-weight:600;line-height:32px;margin:24px 0px 8px;font-size:22px;\\\"><a style=\\\"padding:0px;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;margin:24px 0px 8px;font-weight:600;color:rgb(78, 161, 219);text-decoration:none;\\\"></a><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;color:rgb(79, 79, 79);margin:24px 0px 8px;font-weight:600;\\\">9、PTR记录</strong>：</h2> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">         PTR记录是A记录的逆向记录，又称做IP反查记录或指针记录，负责将IP反向解析为域名</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">显性URL转发记录： 将域名指向一个<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">http(s)</code>协议地址，访问域名时，自动跳转至目标地址。例如：将www.liuht.cn显性转发到www.itbilu.com后，访问www.liuht.cn时，地址栏显示的地址为：www.itbilu.com。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">        隐性UR转发记录L： 将域名指向一个<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">http(s)</code>协议地址，访问域名时，自动跳转至目标地址，隐性转发会隐藏真实的目标地址。例如：将www.liuht.cn显性转发到www.itbilu.com后，访问www.liuht.cn时，地址栏显示的地址仍然是：www.liuht.cn。</p> \\\n<h2 style=\\\"font-family:&quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(79, 79, 79);font-weight:600;line-height:32px;margin:24px 0px 8px;font-size:22px;\\\"><a style=\\\"padding:0px;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;margin:24px 0px 8px;font-weight:600;color:rgb(78, 161, 219);text-decoration:none;\\\"></a><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;color:rgb(79, 79, 79);margin:24px 0px 8px;font-weight:600;\\\">10、相关说明</strong></h2> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">1) 负载均衡</strong><br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/>         服务器负载均衡(Server Load Balancing，SLB)是指在一系列资源上面智能地分布网络负载。负载均衡可以减少网络拥塞，提高整体网络性能，提高自愈性，并确保企业关键性应用的可用性。<br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/> 当相同子域有多个目标地址，或域名的MX记录有多个目标地址且优先级相同时，表示轮循，可以达到负载均衡的目的，但需要虚拟主机和邮箱服务商支持。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">2) <a href=\\\"http://blog.linkesky.com/?tag=ttl\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;outline:0px;cursor:pointer;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;color:rgb(78, 161, 219);text-decoration:none;font-weight:700;\\\" title=\\\"TTL\\\">TTL</a>值</strong><br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/>         TTL值全称是“生存时间（Time To Live)”，简单的说它表示DNS记录在DNS服务器上缓存时间。很多IDC的DNS服务器默认即时生效，客户的增加修改一般不超过15分钟可以使用。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><strong style=\\\"outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;font-weight:700;box-sizing:border-box;\\\">6.<a href=\\\"http://blog.linkesky.com/?tag=txt%E8%AE%B0%E5%BD%95\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;outline:0px;cursor:pointer;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;color:rgb(78, 161, 219);text-decoration:none;font-weight:700;\\\" title=\\\"TXT记录\\\">TXT记录</a></strong></p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">        TXT 记录，一般指为某个主机名或域名设置的说明，如：</p> \\\n<div style=\\\"--en-blockquote:true;\\\"><span style=\\\"\\\"></span> \\\n <p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;overflow:auto hidden;box-sizing:border-box;margin:0px 0px 16px;margin-bottom:0px;font-weight:400;color:rgb(79, 79, 79);font-size:16px;line-height:24px;\\\">admin IN TXT “管理员, 电话： 13xxx888″<br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/> mail IN TXT “邮局信息 所属公司”<br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/> ljpbin IN TXT “contact: ljpbin@ml.tc”</p> \\\n<span style=\\\"\\\"></span></div> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">也就是您可以设置 TXT ，以便使别人联系到您。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">　　<a href=\\\"http://blog.linkesky.com/?tag=txt%E8%AE%B0%E5%BD%95\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(78, 161, 219);text-decoration:none;\\\" title=\\\"TXT记录\\\">TXT记录</a>的一个重要的作用就是设置SPF记录，以防止你的邮件服务器发送的邮件被当作垃圾邮件。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">　　SPF是为了防范垃圾邮件而提出来的一种DNS记录类型，它是一种TXT类型的记录，它用于登记某个域名拥有的用来外发邮件的所有IP地址。例如：</p> \\\n<div style=\\\"--en-blockquote:true;\\\"><span style=\\\"\\\"></span> \\\n <p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;overflow:auto hidden;box-sizing:border-box;margin:0px 0px 16px;margin-bottom:0px;font-weight:400;color:rgb(79, 79, 79);font-size:16px;line-height:24px;\\\">dnspod.com text = “v=spf1 include:aspmx.googlemail.com ~all”<br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/> qq.com text = “v=spf1 ip4:119.147.10.0/23 ip4:119.147.18.0/24 ip4:222.202.96.0/24 ip4:64.71.138.0/25 ip4:58.251.149.0/24 ip4:119.147.6.0/24 ~all”</p> \\\n<span style=\\\"\\\"></span></div> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">　　按照SPF的格式在DNS记录中增加一条TXT类型的记录，将提高该域名的信誉度，同时可以防止垃圾邮件伪造该域的发件人发送垃圾邮件。SPF是跟DNS相关的一项技术，它的内容写在DNS的txt类型的记录里面。mx记录的作用是给寄信者指明某个域名的邮件服务器有哪些。SPF的作用跟mx相反，它向收信者表明，哪些邮件服务器是经过某个域名认可会发送邮件的。由定义可以看出，SPF的作用主要是反垃圾邮件，主要针对那些发信人伪造域名的垃圾邮件。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"></p> \\\n<h2 style=\\\"font-family:&quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(79, 79, 79);font-weight:600;line-height:32px;margin:24px 0px 8px;font-size:22px;\\\"><a style=\\\"padding:0px;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;margin:24px 0px 8px;font-weight:600;color:rgb(78, 161, 219);text-decoration:none;\\\"></a>11. DNS解析中一些问题</h2> \\\n<h3 style=\\\"font-family:&quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(79, 79, 79);font-weight:600;line-height:30px;margin:24px 0px 8px;font-size:20px;\\\"><a style=\\\"padding:0px;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;margin:24px 0px 8px;font-weight:600;color:rgb(78, 161, 219);text-decoration:none;\\\"></a>11.1 <code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">A记录</code>与<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">CNAME记录</code></h3> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">   A记录</code>是把一个域名解析到一个IP地址，而<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">CNAME记录</code>是把域名解析到另外一个域名，而这个域名最终会指向一个A记录，在功能实现在上<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">A记录</code>与<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">CNAME记录</code>没有区别。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">   CNAME记录</code>在做IP地址变更时要比<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">A记录</code>方便。<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">CNAME记录</code>允许将多个名字映射到同一台计算机，当有多个域名需要指向同一服务器IP，此时可以将一个域名做A记录指向服务器IP，然后将其他的域名做别名(即：CNAME)到A记录的域名上。当服务器IP地址变更时，只需要更改A记录的那个域名到新IP上，其它做别名的域名会自动更改到新的IP地址上，而不必对每个域名做更改。</p> \\\n<h3 style=\\\"font-family:&quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(79, 79, 79);font-weight:600;line-height:30px;margin:24px 0px 8px;font-size:20px;\\\"><a style=\\\"padding:0px;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;margin:24px 0px 8px;font-weight:600;color:rgb(78, 161, 219);text-decoration:none;\\\"></a>11.2 <code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">A记录</code>与<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">AAAA记录</code></h3> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">        二者都是指向一个IP地址，但对应的IP版本不同。<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">A记录</code>指向<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">IPv4</code>地址，<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">AAAA记录</code>指向<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">IPv6</code>地址。<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">AAAA记录</code>是<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">A记录</code>的升级版本。</p> \\\n<h3 style=\\\"font-family:&quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(79, 79, 79);font-weight:600;line-height:30px;margin:24px 0px 8px;font-size:20px;\\\"><a style=\\\"padding:0px;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;margin:24px 0px 8px;font-weight:600;color:rgb(78, 161, 219);text-decoration:none;\\\"></a>11.3 <code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">IPv4</code>与<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">IPv6</code></h3> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">  IPv4</code>，是<a href=\\\"https://edu.csdn.net/cloud/pm_summit?utm_source=blogglc&amp;spm=1001.2101.3001.7020\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;padding-left:3px;border-radius:3px;margin-right:3px;background:url(https://csdnimg.cn/release/blogv2/dist/pc/css/../img/iconHighlight.svg) right top / 12px 14px no-repeat transparent;box-shadow:none;padding-right:14px;text-decoration:none;color:rgb(252, 85, 49);\\\" target=\\\"_blank\\\">互联网</a>协议（Internet Protocol，IP）的第四版，也是第一个被广泛使用的版本，是构成现今互联网技术的基础协议。<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">IPv4</code> 的下一个版本就是<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">IPv6</code>，在将来将取代目前被广泛使用的<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">IPv4</code>。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">   IPv4</code>中规定IP地址长度为32位（按<span style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;cursor:pointer;margin-right:3px;padding-right:18px;background:url(https://csdnimg.cn/release/blogv2/dist/pc/css/../img/gitcode-key.png) right center / 14px 14px no-repeat transparent;box-shadow:none;color:rgb(78, 161, 219);\\\">TCP</span>/IP参考模型划分) ，即有2^32-1个地址。<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">IPv6</code>的提出最早是为了解决，随着互联网的迅速发展<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">IPv4</code>地址空间将被耗尽的问题。为了扩大地址空间，<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">IPv6</code>将IP地址的长度由32位增加到了128位。在<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">IPv6</code>的设计过程中除了一劳永逸地解决了地址短缺问题以外，还解决了<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">IPv4</code>中的其它问题，如：端到端IP连接、服务质量（QoS）、安全性、多播、移动性、即插即用等。</p> \\\n<h3 style=\\\"font-family:&quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(79, 79, 79);font-weight:600;line-height:30px;margin:24px 0px 8px;font-size:20px;\\\"><a style=\\\"padding:0px;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;margin:24px 0px 8px;font-weight:600;color:rgb(78, 161, 219);text-decoration:none;\\\"></a>11.4 <code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">TTL</code>值</h3> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">   TTL</code>－生存时间（Time To Live），表示解析记录在DNS服务器中的缓存时间，<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">TTL</code>的时间长度单位是秒，一般为3600秒。比如：在访问<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">www.itbilu.com</code>时，如果在DNS服务器的缓存中没有该记录，就会向某个NS服务器发出请求，获得该记录后，该记录会在DNS服务器上保存<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">TTL</code>的时间长度，在<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">TTL</code>有效期内访问<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">www.itbilu.com</code>，DNS服务器会直接缓存中返回刚才的记录。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"></p> \\\n<h2 style=\\\"font-family:&quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(79, 79, 79);font-weight:600;line-height:32px;margin:24px 0px 8px;font-size:22px;\\\"><a style=\\\"padding:0px;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;margin:24px 0px 8px;font-weight:600;color:rgb(78, 161, 219);text-decoration:none;\\\"></a>12、查看DNS方法（dig、nslookup工具）</h2> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\">        先在CDN 的 域名管理 中检查域名是否创建成功，如果已经创建成功，且已经按照步骤添加了 CNAME 解析，但是无法正常访问资源外链，或保持“等待 CNAME ”状态，可以通过以下方法检测本地的域名解析，如果域名长时间没有创建成功，您可以<a href=\\\"https://support.qiniu.com/tickets/new\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(78, 161, 219);text-decoration:none;\\\" title=\\\"提交工单\\\">提交工单</a>处理。</p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"> 您可以通过 nslookup 您的加速域名，域名是否解析到 CNAME 值上。</p> \\\n<ul style=\\\"font-weight:normal;outline:0px;list-style:none;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;font-size:16px;margin:0px 0px 24px;padding:0px;\\\"><li style=\\\"font-weight:normal;list-style:none;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;list-style-type:disc;margin:8px 0px 0px 32px;\\\"> <p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><span style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;cursor:pointer;margin-right:3px;padding-right:18px;background:url(https://csdnimg.cn/release/blogv2/dist/pc/css/../img/gitcode-key.png) right center / 14px 14px no-repeat transparent;box-shadow:none;color:rgb(78, 161, 219);\\\">linux</span>/mac系统您可以通过如图所示的命令 <code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">dig 您的加速域名</code> 查看，第一条是否解析到您配置的CNAME值。</p> <p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;margin:0px 0px 16px;box-sizing:border-box;text-align:center;font-size:16px;line-height:24px;\\\"><img src=\\\":/afec0cf2121a4e82886c5ce28a2b6000\\\" type=\\\"image/png\\\" data-filename=\\\"8284aae74a0461dfca4f6b7d96570d8b.png\\\" height=\\\"316\\\" style=\\\"border:0px;outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;max-width:100%;height:auto;box-sizing:border-box;cursor:zoom-in;\\\" width=\\\"740\\\"/></p> </li><li style=\\\"font-weight:normal;list-style:none;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;list-style-type:disc;margin:8px 0px 0px 32px;\\\"> <p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><span style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;box-sizing:border-box;cursor:pointer;margin-right:3px;padding-right:18px;background:url(https://csdnimg.cn/release/blogv2/dist/pc/css/../img/gitcode-key.png) right center / 14px 14px no-repeat transparent;box-shadow:none;color:rgb(78, 161, 219);\\\">windows</span>系统可以通过Win+R 或 点击左下角的“开始”按钮打开“开始”菜单，打开“运行”，输入cmd回车。<br style=\\\"outline:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;\\\"/> 在命令行模式下输入<code style=\\\"font-size: 9pt; color: rgb(51, 51, 51); font-family: Monaco,Menlo,Consolas,Courier New,monospace,sans-serif\\\">nslookup 您的加速域名</code>，例如 nslookup qn.vinchi.club,在结果中可以看到您复制的cname值即可。</p> <p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;margin:0px 0px 16px;box-sizing:border-box;text-align:center;font-size:16px;line-height:24px;\\\"><img src=\\\":/a974284f9dd4477aaabd52c746ec4d6b\\\" type=\\\"image/png\\\" data-filename=\\\"393df23bcb85f6bf5d5b8a6820569564.png\\\" height=\\\"412\\\" style=\\\"border:0px;outline:0px;font-synthesis-style:auto;overflow-wrap:break-word;max-width:100%;height:auto;box-sizing:border-box;cursor:zoom-in;\\\" width=\\\"423\\\"/></p> </li></ul> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"></p> \\\n<h2 style=\\\"font-family:&quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;outline:0px;padding:0px;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(79, 79, 79);font-weight:600;line-height:32px;margin:24px 0px 8px;font-size:22px;\\\"><a style=\\\"padding:0px;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;margin:24px 0px 8px;font-weight:600;color:rgb(78, 161, 219);text-decoration:none;\\\"></a>参考：</h2> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><a href=\\\"https://www.alibabacloud.com/help/zh/server-load-balancer/latest/configure-a-cname-record\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(78, 161, 219);text-decoration:none;\\\" title=\\\"设置CNAME域名解析 - 负载均衡 - 阿里云\\\">设置CNAME域名解析 - 负载均衡 - 阿里云</a></p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><a href=\\\"https://developer.qiniu.com/fusion/kb/1322/how-to-configure-cname-domain-name\\\" rel=\\\"nofollow\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(78, 161, 219);text-decoration:none;\\\" title=\\\"如何配置域名的 CNAME - 七牛开发者中心\\\">如何配置域名的 CNAME - 七牛开发者中心</a></p> \\\n<p style=\\\"outline:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(77, 77, 77);overflow:auto hidden;font-weight:400;box-sizing:border-box;margin:0px 0px 16px;font-size:16px;line-height:24px;\\\"><a href=\\\"https://blog.csdn.net/dai451954706/article/details/37696651\\\" style=\\\"margin:0px;padding:0px;font-weight:normal;outline:0px;cursor:pointer;box-sizing:border-box;font-synthesis-style:auto;overflow-wrap:break-word;color:rgb(78, 161, 219);text-decoration:none;\\\" title=\\\"域名解析类型：A记录、CNAME、MX记录、NS记录、TTL、TXT记录_txt记录类型_Oooover的博客-CSDN博客\\\">域名解析类型：A记录、CNAME、MX记录、NS记录、TTL、TXT记录_txt记录类型_Oooover的博客-CSDN博客</a></p>\\\n                </div><div style=\\\"font-weight:normal;outline:0px;box-sizing:inherit;margin:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;\\\"><div style=\\\"font-weight:normal;outline:0px;box-sizing:inherit;margin:0px;padding:0px;font-synthesis-style:auto;overflow-wrap:break-word;\\\"></div></div>\\\n        <span style=\\\"font-weight:normal;height:0px;visibility:hidden;display:block;clear:both;\\\"></span></div>\\\n    </div>\\\n  \\\n</div></span></div></div></div></div></div></div>\\\n</span>\\\n</div></body></html>\\u0000\"]],\"start1\":0,\"start2\":0,\"length1\":0,\"length2\":80781}]"
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updated_time: 2025-11-28T16:12:36.384Z
created_time: 2025-11-28T16:12:36.384Z
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