{"id":31477,"date":"2026-06-25T10:00:00","date_gmt":"2026-06-25T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/uncategorized\/website-migration-dns-ssl-mail-checklist\/"},"modified":"2026-06-25T10:00:00","modified_gmt":"2026-06-25T02:00:00","slug":"website-migration-dns-ssl-mail-checklist","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/website-migration-dns-ssl-mail-checklist\/","title":{"rendered":"\u7f51\u7ad9\u8fc1\u79fb DNS SSL \u90ae\u4ef6\u670d\u52a1\u8054\u52a8\u68c0\u67e5\u6e05\u5355"},"content":{"rendered":"<p><img decoding=\"async\" alt=\"\u7f51\u7ad9\u8fc1\u79fb\u5230\u65b0\u670d\u52a1\u5668\u540e DNS\u3001SSL \u4e0e\u90ae\u4ef6\u670d\u52a1\u7684\u8054\u52a8\u68c0\u67e5\u6e05\u5355\u5c01\u9762\u56fe\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/07\/migration-server-dns-ssl-cover.webp\" \/><\/p>\n<h2>\u8fc1\u79fb\u4e0d\u6b62\u6362\u670d\u52a1\u5668\uff1a\u4e3a\u4ec0\u4e48 DNS\u3001SSL \u548c\u90ae\u4ef6\u5fc5\u987b\u4e00\u8d77\u68c0\u67e5<\/h2>\n<p>\u628a\u7f51\u7ad9\u4ece\u65e7\u670d\u52a1\u5668\u642c\u5230\u65b0\u670d\u52a1\u5668\uff0c\u5f88\u591a\u4eba\u4ee5\u4e3a\u53ea\u8981\u628a\u6587\u4ef6\u548c\u6570\u636e\u5e93\u62f7\u8fc7\u53bb\u3001\u89e3\u6790\u6539\u4e00\u4e0b\u5c31\u7b97\u5b8c\u4e8b\u3002\u4f46\u7f51\u7ad9\u8fc1\u79fb\uff08\u6307\u5c06\u7f51\u7ad9\u6587\u4ef6\u3001\u6570\u636e\u5e93\u548c\u914d\u7f6e\u4ece\u4e00\u53f0\u670d\u52a1\u5668\u8f6c\u79fb\u5230\u53e6\u4e00\u53f0\u670d\u52a1\u5668\u7684\u8fc7\u7a0b\uff09\u6d89\u53ca\u7684\u670d\u52a1\u8fdc\u4e0d\u6b62 Web \u672c\u8eab\u2014\u2014DNS\uff08\u57df\u540d\u7cfb\u7edf\uff0c\u8d1f\u8d23\u628a\u57df\u540d\u7ffb\u8bd1\u6210 IP \u5730\u5740\uff09\u3001SSL\uff08\u5b89\u5168\u4f20\u8f93\u534f\u8bae\uff0c\u7528\u4e8e\u52a0\u5bc6\u6d4f\u89c8\u5668\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\uff09\u8bc1\u4e66\u3001\u90ae\u4ef6\u670d\u52a1\u8fd9\u4e09\u8005\u4e4b\u95f4\u5b58\u5728\u7d27\u5bc6\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u4efb\u4f55\u4e00\u73af\u51fa\u95ee\u9898\uff0c\u8868\u73b0\u51fa\u6765\u7684\u75c7\u72b6\u90fd\u53ef\u80fd\u662f&#8221;\u7f51\u7ad9\u6253\u4e0d\u5f00&#8221;\u6216&#8221;\u90ae\u4ef6\u6536\u4e0d\u5230&#8221;\u3002<\/p>\n<p>\u6839\u636e\u5b9e\u9645\u8fd0\u7ef4\u7ecf\u9a8c\uff0c\u8fc1\u79fb\u540e\u6700\u5e38\u89c1\u7684\u6545\u969c\u6a21\u5f0f\u6709\u4e09\u79cd\uff1aDNS \u8bb0\u5f55\u5207\u6362\u540e\u65e7\u7f13\u5b58\u672a\u8fc7\u671f\u5bfc\u81f4\u90e8\u5206\u7528\u6237\u8bbf\u95ee\u65e7\u670d\u52a1\u5668\u3001SSL \u8bc1\u4e66\u7ed1\u5b9a\u7684\u57df\u540d\u9a8c\u8bc1\u5931\u8d25\u5bfc\u81f4 HTTPS \u62a5\u9519\u3001MX \u8bb0\u5f55\uff08\u90ae\u4ef6\u4ea4\u6362\u8bb0\u5f55\uff0c\u544a\u8bc9\u90ae\u4ef6\u670d\u52a1\u5668\u628a\u90ae\u4ef6\u53d1\u5f80\u54ea\u91cc\uff09\u9057\u6f0f\u6216 SPF\/DKIM \u914d\u7f6e\u4e22\u5931\u5bfc\u81f4\u90ae\u4ef6\u88ab\u62d2\u6536\u3002\u8fd9\u4e09\u7c7b\u95ee\u9898\u5f80\u5f80\u540c\u65f6\u51fa\u73b0\uff0c\u56e0\u4e3a\u5b83\u4eec\u5171\u4eab\u540c\u4e00\u4e2a\u524d\u63d0\u2014\u2014DNS \u8bb0\u5f55\u5fc5\u987b\u6b63\u786e\u4e14\u5df2\u751f\u6548\u3002<\/p>\n<p>\u5982\u679c\u4f60\u5bf9 DNS \u7684\u57fa\u7840\u6982\u5ff5\u8fd8\u4e0d\u719f\u6089\uff0c\u53ef\u4ee5\u5148\u9605\u8bfb<a href=\"https:\/\/cn.hostease.com\/blog\/server\/\">\u670d\u52a1\u5668\u57fa\u7840\u77e5\u8bc6\u4e0e\u5e38\u89c1\u95ee\u9898\u89e3\u7b54<\/a>\u3002<\/p>\n<p>\u672c\u6587\u6309\u7167&#8221;\u5148 DNS\u3001\u518d SSL\u3001\u540e\u90ae\u4ef6&#8221;\u7684\u987a\u5e8f\uff0c\u63d0\u4f9b\u4e00\u4efd\u53ef\u76f4\u63a5\u7167\u7740\u505a\u7684\u8054\u52a8\u68c0\u67e5\u6e05\u5355\u3002\u65e0\u8bba\u4f60\u7528\u7684\u662f VPS\uff08\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668\uff09\u3001\u72ec\u7acb\u670d\u52a1\u5668\uff08\u7269\u7406\u670d\u52a1\u5668\uff09\u8fd8\u662f\u4e91\u670d\u52a1\u5668\uff08\u57fa\u4e8e\u4e91\u8ba1\u7b97\u7684\u5f39\u6027\u4e3b\u673a\uff09\uff0c\u8fd9\u4efd\u6e05\u5355\u90fd\u9002\u7528\u3002<\/p>\n<h2>\u7b2c\u4e00\u6b65\uff1aDNS \u8bb0\u5f55\u8fc1\u79fb\u4e0e\u9a8c\u8bc1<\/h2>\n<p>DNS \u662f\u6574\u4e2a\u8fc1\u79fb\u94fe\u8def\u7684\u57fa\u7840\u3002\u5982\u679c DNS \u6ca1\u5207\u5bf9\uff0c\u540e\u7eed\u7684 SSL \u9a8c\u8bc1\u548c\u90ae\u4ef6\u8def\u7531\u90fd\u4f1a\u51fa\u95ee\u9898\u3002<\/p>\n<h3>\u964d\u4f4e TTL \u5e76\u786e\u8ba4\u8bb0\u5f55\u6e05\u5355<\/h3>\n<p>\u8fc1\u79fb\u524d 24-48 \u5c0f\u65f6\uff0c\u5148\u628a\u73b0\u6709 DNS \u8bb0\u5f55\u7684 TTL\uff08\u751f\u5b58\u65f6\u95f4\uff0c\u51b3\u5b9a DNS \u7f13\u5b58\u591a\u4e45\u5237\u65b0\u4e00\u6b21\uff09\u964d\u5230 300 \u79d2\uff085 \u5206\u949f\uff09\u3002\u8fd9\u6837\u505a\u7684\u76ee\u7684\u662f\u8ba9\u5168\u7403 DNS \u7f13\u5b58\u5c3d\u5feb\u8fc7\u671f\uff0c\u5207\u6362\u65f6\u51cf\u5c11&#8221;\u90e8\u5206\u7528\u6237\u8bbf\u95ee\u65e7\u670d\u52a1\u5668&#8221;\u7684\u7a97\u53e3\u671f\u3002<\/p>\n<p>\u5207\u6362\u524d\u9700\u8981\u9010\u6761\u786e\u8ba4\u4ee5\u4e0b\u8bb0\u5f55\u7c7b\u578b\uff1a<\/p>\n<ul>\n<li><strong>A \u8bb0\u5f55<\/strong>\uff1a\u5c06\u57df\u540d\u6307\u5411\u65b0\u670d\u52a1\u5668\u7684 IP \u5730\u5740\u3002\u786e\u8ba4 <code>@<\/code>\uff08\u4e3b\u57df\u540d\uff09\u548c <code>www<\/code> \u5b50\u57df\u540d\u90fd\u5df2\u66f4\u65b0\u3002\u5982\u679c\u4f7f\u7528\u4e86 CDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\uff0cA \u8bb0\u5f55\u53ef\u80fd\u6307\u5411 CDN \u7684 IP \u800c\u975e\u6e90\u7ad9\uff0c\u9700\u8981\u5728 CDN \u9762\u677f\u91cc\u66f4\u65b0\u6e90\u7ad9 IP\u3002<\/li>\n<li><strong>AAAA \u8bb0\u5f55<\/strong>\uff1a\u5982\u679c\u65b0\u670d\u52a1\u5668\u652f\u6301 IPv6\uff0c\u8bb0\u5f97\u540c\u6b65\u66f4\u65b0\u3002<\/li>\n<li><strong>CNAME \u8bb0\u5f55<\/strong>\uff1a\u68c0\u67e5\u5b50\u57df\u540d\u662f\u5426\u901a\u8fc7 CNAME \u6307\u5411\u4e86\u5176\u4ed6\u670d\u52a1\uff08\u5982 <code>mail.example.com<\/code>\uff09\uff0c\u786e\u8ba4\u4e0d\u53d7\u5f71\u54cd\u3002<\/li>\n<li><strong>MX \u8bb0\u5f55<\/strong>\uff1a\u90ae\u4ef6\u8def\u7531\u7684\u6838\u5fc3\uff0c\u540e\u9762\u90ae\u4ef6\u90e8\u5206\u4f1a\u8be6\u7ec6\u8bb2\u3002<\/li>\n<li><strong>TXT \u8bb0\u5f55<\/strong>\uff1a\u5305\u62ec SPF\u3001DKIM\u3001DMARC \u7b49\u90ae\u4ef6\u9a8c\u8bc1\u8bb0\u5f55\u3002<\/li>\n<\/ul>\n<h3>\u9a8c\u8bc1 DNS \u4f20\u64ad\u72b6\u6001<\/h3>\n<p>\u5207\u6362 DNS \u540e\uff0c\u7528\u4ee5\u4e0b\u65b9\u5f0f\u9a8c\u8bc1\u5168\u7403\u4f20\u64ad\u60c5\u51b5\uff1a<\/p>\n<pre><code class=\"language-bash\"># \u68c0\u67e5 A \u8bb0\u5f55\u662f\u5426\u6307\u5411\u65b0 IP\ndig +short yourdomain.com A\n\n# \u68c0\u67e5 MX \u8bb0\u5f55\ndig +short yourdomain.com MX\n\n# \u7528\u4e0d\u540c DNS \u670d\u52a1\u5668\u68c0\u67e5\uff08\u6392\u9664\u672c\u5730\u7f13\u5b58\uff09\ndig @8.8.8.8 yourdomain.com A\ndig @1.1.1.1 yourdomain.com A\n<\/code><\/pre>\n<p>\u5982\u679c\u7528 Google Public DNS\uff088.8.8.8\uff09\u548c Cloudflare DNS\uff081.1.1.1\uff09\u67e5\u8be2\u7684\u7ed3\u679c\u90fd\u5df2\u6307\u5411\u65b0 IP\uff0c\u8bf4\u660e\u5168\u7403\u4f20\u64ad\u57fa\u672c\u5b8c\u6210\u3002\u901a\u5e38\u9700\u8981 1-4 \u5c0f\u65f6\uff0c\u6781\u7aef\u60c5\u51b5\u53ef\u80fd\u9700\u8981 48 \u5c0f\u65f6\u3002\u5728\u786e\u8ba4\u4f20\u64ad\u5b8c\u6210\u4e4b\u524d\uff0c\u4e0d\u8981\u5173\u95ed\u65e7\u670d\u52a1\u5668\u3002<\/p>\n<p><img decoding=\"async\" alt=\"DNS \u4f20\u64ad\u524d\u540e\u7684\u670d\u52a1\u5668\u8fde\u63a5\u72b6\u6001\u5bf9\u6bd4\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/07\/migration-server-dns-ssl-dns.webp\" \/><\/p>\n<h3>\u5e38\u89c1\u5751\u70b9<\/h3>\n<p>\u6709\u4e9b\u7ad9\u957f\u5728\u5207\u6362 DNS \u65f6\u53ea\u66f4\u65b0\u4e86\u4e3b\u57df\u540d\u7684 A \u8bb0\u5f55\uff0c\u5fd8\u4e86 <code>www<\/code> \u5b50\u57df\u540d\u6216\u5176\u4ed6\u5b50\u57df\u540d\uff08\u5982 <code>api.example.com<\/code>\uff09\uff0c\u5bfc\u81f4\u90e8\u5206\u529f\u80fd\u5f02\u5e38\u3002\u5efa\u8bae\u8fc1\u79fb\u524d\u7528 <code>dig yourdomain.com ANY<\/code> \u5bfc\u51fa\u5168\u90e8\u8bb0\u5f55\u9010\u6761\u6838\u5bf9\u3002<\/p>\n<h2>\u7b2c\u4e8c\u6b65\uff1aSSL \u8bc1\u4e66\u91cd\u65b0\u7b7e\u53d1\u4e0e\u5b89\u88c5<\/h2>\n<p>DNS \u5207\u6362\u5b8c\u6210\u540e\uff0c\u4e0b\u4e00\u6b65\u662f\u5904\u7406 SSL \u8bc1\u4e66\u3002SSL \u8bc1\u4e66\uff08\u5b89\u5168\u5957\u63a5\u5b57\u5c42\u8bc1\u4e66\uff0c\u7528\u4e8e\u542f\u7528 HTTPS \u52a0\u5bc6\u8fde\u63a5\uff09\u7ed1\u5b9a\u7684\u662f\u57df\u540d\u800c\u4e0d\u662f IP \u5730\u5740\uff0c\u6240\u4ee5\u7406\u8bba\u4e0a\u53ea\u8981\u57df\u540d\u4e0d\u53d8\uff0c\u8bc1\u4e66\u672c\u8eab\u4e0d\u9700\u8981\u91cd\u65b0\u7533\u8bf7\u3002\u4f46\u5b9e\u9645\u64cd\u4f5c\u4e2d\u6709\u51e0\u79cd\u60c5\u51b5\u9700\u8981\u7279\u522b\u6ce8\u610f\u3002<\/p>\n<h3>\u60c5\u51b5\u4e00\uff1a\u4f7f\u7528\u514d\u8d39 Let&#8217;s Encrypt \u8bc1\u4e66<\/h3>\n<p>\u5982\u679c\u4f60\u4e4b\u524d\u7528 Let&#8217;s Encrypt \u7684 <code>certbot<\/code> \u5de5\u5177\u7533\u8bf7\u7684\u8bc1\u4e66\uff0c\u8fc1\u79fb\u540e\u9700\u8981\u5728\u65b0\u670d\u52a1\u5668\u4e0a\u91cd\u65b0\u7b7e\u53d1\u3002\u539f\u56e0\u662f Let&#8217;s Encrypt \u7684 HTTP-01 \u9a8c\u8bc1\u65b9\u5f0f\u4f1a\u8bbf\u95ee\u4f60\u57df\u540d\u7684 <code>\/.well-known\/acme-challenge\/<\/code> \u8def\u5f84\uff0c\u8fd9\u4e2a\u8bf7\u6c42\u5fc5\u987b\u5230\u8fbe\u65b0\u670d\u52a1\u5668\u624d\u80fd\u901a\u8fc7\u9a8c\u8bc1\u3002<\/p>\n<pre><code class=\"language-bash\"># \u5728\u65b0\u670d\u52a1\u5668\u4e0a\u5b89\u88c5 certbot\napt install certbot python3-certbot-nginx  # Debian\/Ubuntu\n# \u6216\nyum install certbot python3-certbot-nginx  # CentOS\n\n# \u7533\u8bf7\u8bc1\u4e66\ncertbot --nginx -d yourdomain.com -d www.yourdomain.com\n\n# \u9a8c\u8bc1\u8bc1\u4e66\u72b6\u6001\ncertbot certificates\n<\/code><\/pre>\n<p>\u5173\u952e\u70b9\uff1a\u5fc5\u987b\u7b49 DNS \u5b8c\u5168\u4f20\u64ad\u5230\u65b0 IP \u540e\u518d\u6267\u884c\u7b7e\u53d1\uff0c\u5426\u5219\u9a8c\u8bc1\u8bf7\u6c42\u4f1a\u6253\u5230\u65e7\u670d\u52a1\u5668\uff0c\u5bfc\u81f4\u7b7e\u53d1\u5931\u8d25\u3002<\/p>\n<h3>\u60c5\u51b5\u4e8c\uff1a\u4f7f\u7528\u4ed8\u8d39 SSL \u8bc1\u4e66<\/h3>\n<p>\u5982\u679c\u4e70\u7684\u662f\u5546\u4e1a\u8bc1\u4e66\uff08\u5982 Sectigo\u3001DigiCert\uff09\uff0c\u8fc1\u79fb\u540e\u9700\u8981\u5728\u65b0\u670d\u52a1\u5668\u4e0a\u5b89\u88c5\u79c1\u94a5\u548c\u8bc1\u4e66\u6587\u4ef6\u3002\u4ece\u65e7\u670d\u52a1\u5668\u5bfc\u51fa\u540e\u4f20\u5230\u65b0\u670d\u52a1\u5668\uff0c\u5728 Nginx \u6216 Apache \u914d\u7f6e\u4e2d\u6307\u5411\u65b0\u8def\u5f84\uff0c\u7136\u540e\u91cd\u542f Web \u670d\u52a1\u3002<\/p>\n<h3>\u9a8c\u8bc1 SSL \u662f\u5426\u6b63\u5e38<\/h3>\n<p>\u8fc1\u79fb\u540e\u7528\u4ee5\u4e0b\u65b9\u5f0f\u68c0\u67e5 SSL\uff1a<\/p>\n<pre><code class=\"language-bash\">openssl s_client -connect yourdomain.com:443 -servername yourdomain.com\n<\/code><\/pre>\n<p>\u540c\u65f6\u5728\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95ee\u7f51\u7ad9\uff0c\u786e\u8ba4\u5730\u5740\u680f\u663e\u793a\u9501\u56fe\u6807\uff0c\u6ca1\u6709&#8221;\u4e0d\u5b89\u5168&#8221;\u8b66\u544a\u3002\u5982\u679c\u4f7f\u7528\u4e86 CDN\uff0c\u53ef\u80fd\u9700\u8981\u5728 CDN \u9762\u677f\u91cc\u91cd\u65b0\u4e0a\u4f20\u8bc1\u4e66\u6216\u5f00\u542f CDN \u7684 SSL \u529f\u80fd\u3002<\/p>\n<p><img decoding=\"async\" alt=\"SSL \u8bc1\u4e66\u4e0e\u670d\u52a1\u5668\u7684\u5b89\u5168\u8fde\u63a5\u793a\u610f\u56fe\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/07\/migration-server-dns-ssl-cert.webp\" \/><\/p>\n<h2>\u7b2c\u4e09\u6b65\uff1a\u90ae\u4ef6\u670d\u52a1\u8fde\u7eed\u6027\u4fdd\u969c<\/h2>\n<p>\u90ae\u4ef6\u670d\u52a1\u662f\u8fc1\u79fb\u4e2d\u6700\u5bb9\u6613\u88ab\u5ffd\u7565\u3001\u4f46\u5f71\u54cd\u6700\u76f4\u63a5\u7684\u73af\u8282\u3002MX \u8bb0\u5f55\u4e00\u65e6\u51fa\u95ee\u9898\uff0c\u5ba2\u6237\u53d1\u6765\u7684\u90ae\u4ef6\u4f1a\u76f4\u63a5\u4e22\u5931\uff0c\u800c\u4e14\u4f60\u53ef\u80fd\u5b8c\u5168\u4e0d\u77e5\u9053\u3002<\/p>\n<h3>MX \u8bb0\u5f55\u8fc1\u79fb<\/h3>\n<p>MX \u8bb0\u5f55\uff08Mail Exchanger Record\uff09\u544a\u8bc9\u5168\u7403\u90ae\u4ef6\u670d\u52a1\u5668&#8221;\u53d1\u5f80 @yourdomain.com \u7684\u90ae\u4ef6\u5e94\u8be5\u9001\u5230\u54ea\u91cc&#8221;\u3002\u5982\u679c\u4f60\u7684\u90ae\u4ef6\u670d\u52a1\u7531\u72ec\u7acb\u7684\u90ae\u4ef6\u63d0\u4f9b\u5546\u6258\u7ba1\uff08\u5982 Google Workspace\u3001Microsoft 365\u3001Zoho Mail\uff09\uff0cMX \u8bb0\u5f55\u4e0d\u9700\u8981\u56e0\u4e3a Web \u670d\u52a1\u5668\u8fc1\u79fb\u800c\u6539\u53d8\u2014\u2014\u5b83\u4eec\u6307\u5411\u7684\u662f\u90ae\u4ef6\u670d\u52a1\u5546\u7684\u670d\u52a1\u5668\uff0c\u4e0d\u662f\u4f60\u7684 Web \u670d\u52a1\u5668\u3002<\/p>\n<p>\u4f46\u5982\u679c\u4f60\u5728\u65e7\u670d\u52a1\u5668\u4e0a\u81ea\u5efa\u4e86\u90ae\u4ef6\u670d\u52a1\uff08\u5982 Postfix\u3001Exim\uff09\uff0c\u8fc1\u79fb\u65f6\u5c31\u9700\u8981\u5728\u65b0\u670d\u52a1\u5668\u4e0a\u91cd\u65b0\u914d\u7f6e\u90ae\u4ef6\u670d\u52a1\uff0c\u5e76\u66f4\u65b0 MX \u8bb0\u5f55\u6307\u5411\u65b0 IP\u3002\u8fd9\u65f6\u8981\u7279\u522b\u6ce8\u610f\u4f18\u5148\u7ea7\u8bbe\u7f6e\uff1a<\/p>\n<pre><code class=\"language-bash\"># \u5178\u578b MX \u8bb0\u5f55\u8bbe\u7f6e\nyourdomain.com.  IN  MX  10  mail.yourdomain.com.\nyourdomain.com.  IN  MX  20  backup-mx.yourdomain.com.\n<\/code><\/pre>\n<h3>SPF\u3001DKIM \u548c DMARC \u8bb0\u5f55<\/h3>\n<p>\u8fd9\u4e09\u6761 TXT \u8bb0\u5f55\u662f\u9632\u6b62\u90ae\u4ef6\u88ab\u6807\u8bb0\u4e3a\u5783\u573e\u90ae\u4ef6\u7684\u5173\u952e\u914d\u7f6e\uff1a<\/p>\n<ul>\n<li><strong>SPF\uff08Sender Policy Framework\uff09<\/strong>\uff1a\u58f0\u660e&#8221;\u54ea\u4e9b IP \u5730\u5740\u6709\u6743\u4ee3\u8868\u4f60\u7684\u57df\u540d\u53d1\u90ae\u4ef6&#8221;\u3002\u5982\u679c\u65b0\u670d\u52a1\u5668\u7684 IP \u4e0d\u5728 SPF \u8bb0\u5f55\u91cc\uff0c\u53d1\u51fa\u7684\u90ae\u4ef6\u5927\u6982\u7387\u4f1a\u88ab\u62d2\u6536\u3002<\/li>\n<li><strong>DKIM\uff08DomainKeys Identified Mail\uff09<\/strong>\uff1a\u7ed9\u53d1\u51fa\u7684\u90ae\u4ef6\u52a0\u6570\u5b57\u7b7e\u540d\uff0c\u63a5\u6536\u65b9\u901a\u8fc7\u4f60\u7684 DNS \u516c\u94a5\u9a8c\u8bc1\u7b7e\u540d\u3002\u8fc1\u79fb\u540e\u9700\u8981\u5728\u65b0\u670d\u52a1\u5668\u4e0a\u91cd\u65b0\u751f\u6210 DKIM \u5bc6\u94a5\u5bf9\uff0c\u5e76\u66f4\u65b0 DNS \u4e2d\u7684\u516c\u94a5\u3002<\/li>\n<li><strong>DMARC\uff08Domain-based Message Authentication\uff09<\/strong>\uff1a\u544a\u8bc9\u63a5\u6536\u65b9&#8221;\u5982\u679c SPF \u548c DKIM \u90fd\u9a8c\u8bc1\u5931\u8d25\uff0c\u8be5\u600e\u4e48\u5904\u7406\u8fd9\u5c01\u90ae\u4ef6&#8221;\u3002<\/li>\n<\/ul>\n<p>\u8fc1\u79fb\u540e\u68c0\u67e5\u65b9\u6cd5\uff1a<\/p>\n<pre><code class=\"language-bash\"># \u68c0\u67e5 SPF \u548c DKIM \u8bb0\u5f55\ndig +short yourdomain.com TXT | grep spf\ndig +short default._domainkey.yourdomain.com TXT\ndig +short _dmarc.yourdomain.com TXT\n<\/code><\/pre>\n<h3>\u90ae\u4ef6\u53d1\u9001\u6d4b\u8bd5<\/h3>\n<p>\u5b8c\u6210\u914d\u7f6e\u540e\uff0c\u52a1\u5fc5\u8fdb\u884c\u5b9e\u9645\u53d1\u9001\u6d4b\u8bd5\u3002\u63a8\u8350\u4f7f\u7528 <a href=\"https:\/\/www.mail-tester.com\/\">mail-tester.com<\/a> \u8fd9\u7c7b\u5de5\u5177\u2014\u2014\u5b83\u4f1a\u7ed9\u4f60\u4e00\u4e2a\u4e34\u65f6\u90ae\u7bb1\u5730\u5740\uff0c\u4f60\u4ece\u65b0\u670d\u52a1\u5668\u53d1\u4e00\u5c01\u90ae\u4ef6\u8fc7\u53bb\uff0c\u5b83\u4f1a\u6253\u51fa 1-10 \u5206\u5e76\u5217\u51fa\u6240\u6709\u95ee\u9898\u3002\u5f97\u5206\u4f4e\u4e8e 8 \u5206\u5c31\u9700\u8981\u6392\u67e5\u3002<\/p>\n<p>\u540c\u65f6\u5411 Gmail\u3001Outlook\u3001QQ \u90ae\u7bb1\u5404\u53d1\u4e00\u5c01\u6d4b\u8bd5\u90ae\u4ef6\uff0c\u786e\u8ba4\u90fd\u80fd\u6b63\u5e38\u6536\u5230\u4e14\u4e0d\u5728\u5783\u573e\u90ae\u4ef6\u7bb1\u4e2d\u3002<\/p>\n<p><img decoding=\"async\" alt=\"\u90ae\u4ef6\u670d\u52a1 SPF\u3001DKIM\u3001DMARC \u4e09\u5c42\u9a8c\u8bc1\u6d41\u7a0b\u793a\u610f\u56fe\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/07\/migration-server-dns-ssl-email.webp\" \/><\/p>\n<h2>\u7b2c\u56db\u6b65\uff1a\u4e09\u65b9\u8054\u8c03\u4e0e\u6536\u5c3e\u786e\u8ba4<\/h2>\n<p>DNS\u3001SSL\u3001\u90ae\u4ef6\u8fd9\u4e09\u9879\u4e0d\u662f\u72ec\u7acb\u7684\u2014\u2014\u5b83\u4eec\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u51b3\u5b9a\u4e86\u5fc5\u987b\u505a\u8054\u8c03\u9a8c\u8bc1\u3002<\/p>\n<h3>\u8054\u8c03\u68c0\u67e5\u8981\u70b9<\/h3>\n<ol>\n<li><strong>HTTPS + \u90ae\u4ef6\u540c\u65f6\u53ef\u7528<\/strong>\uff1a\u5728\u65b0\u670d\u52a1\u5668\u4e0a\u8bbf\u95ee\u7f51\u7ad9\u786e\u8ba4 HTTPS \u6b63\u5e38\uff0c\u540c\u65f6\u4ece\u540c\u4e00\u57df\u540d\u7684\u90ae\u7bb1\u53d1\u4e00\u5c01\u6d4b\u8bd5\u90ae\u4ef6\uff0c\u786e\u8ba4\u90ae\u4ef6\u4e0d\u88ab\u62d2\u6536\u3002\u8fd9\u4e00\u6b65\u9a8c\u8bc1\u7684\u662f&#8221;\u65b0 IP \u65e2\u8dd1 Web \u53c8\u8dd1\u90ae\u4ef6&#8221;\u65f6\u4e24\u8005\u4e0d\u51b2\u7a81\u3002<\/li>\n<li><strong>CDN \u56de\u6e90\u9a8c\u8bc1<\/strong>\uff1a\u5982\u679c\u4f60\u7528\u4e86 CDN\uff0c\u786e\u8ba4 CDN \u80fd\u6b63\u5e38\u56de\u6e90\u5230\u65b0\u670d\u52a1\u5668\u83b7\u53d6\u5185\u5bb9\u3002\u5728 CDN \u9762\u677f\u91cc\u68c0\u67e5\u6e90\u7ad9 IP \u662f\u5426\u5df2\u66f4\u65b0\uff0c\u7136\u540e\u7528 <code>curl -I https:\/\/yourdomain.com<\/code> \u68c0\u67e5\u54cd\u5e94\u5934\u4e2d\u7684 <code>X-Cache<\/code> \u5b57\u6bb5\u786e\u8ba4\u7f13\u5b58\u547d\u4e2d\u3002<\/li>\n<li><strong>\u65e7\u670d\u52a1\u5668\u76d1\u63a7<\/strong>\uff1a\u8fc1\u79fb\u540e\u4fdd\u7559\u65e7\u670d\u52a1\u5668\u81f3\u5c11 72 \u5c0f\u65f6\uff0c\u76d1\u63a7\u662f\u5426\u8fd8\u6709\u6d41\u91cf\u8fdb\u6765\u3002\u5982\u679c\u6709\uff0c\u8bf4\u660e DNS \u8bb0\u5f55\u6ca1\u6709\u5207\u6362\u5e72\u51c0\u3002<\/li>\n<\/ol>\n<h3>\u5e26\u5bbd\u4e0e\u8fde\u63a5\u6570\u76d1\u63a7<\/h3>\n<p>\u8fc1\u79fb\u540e\u7b2c\u4e00\u5468\uff0c\u91cd\u70b9\u5173\u6ce8\u65b0\u670d\u52a1\u5668\u7684\u5e26\u5bbd\uff08\u7f51\u7edc\u4f20\u8f93\u901f\u7387\uff09\u4f7f\u7528\u60c5\u51b5\u548c\u8fde\u63a5\u6570\u3002\u5982\u679c\u53d1\u73b0\u5e26\u5bbd\u5f02\u5e38\u504f\u9ad8\uff0c\u53ef\u80fd\u662f\u722c\u866b\u6216\u653b\u51fb\u6d41\u91cf\u6253\u5230\u4e86\u65b0 IP \u4e0a\u3002\u53ef\u4ee5\u7528 <code>iftop<\/code> \u5de5\u5177\u5b9e\u65f6\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf\u3002<\/p>\n<h3>\u6e05\u7406\u65e7\u670d\u52a1\u5668\u6b8b\u7559<\/h3>\n<p>\u786e\u8ba4\u6240\u6709\u670d\u52a1\u6b63\u5e38\u540e\uff0c\u5728\u65e7\u670d\u52a1\u5668\u4e0a\u5907\u4efd\u6240\u6709\u914d\u7f6e\u548c\u6570\u636e\uff0c\u5173\u505c Web \u548c\u90ae\u4ef6\u670d\u52a1\u300248 \u5c0f\u65f6\u540e\u5982\u65e0\u5f02\u5e38\uff0c\u53ef\u4ee5\u91ca\u653e\u65e7\u670d\u52a1\u5668\u8d44\u6e90\u3002<\/p>\n<h2>\u603b\u7ed3\uff1a\u8fc1\u79fb\u540e\u7684\u884c\u52a8\u5efa\u8bae<\/h2>\n<p>\u7f51\u7ad9\u8fc1\u79fb\u7684\u6838\u5fc3\u4e0d\u662f&#8221;\u628a\u6587\u4ef6\u62f7\u8fc7\u53bb&#8221;\uff0c\u800c\u662f\u786e\u4fdd DNS\u3001SSL\u3001\u90ae\u4ef6\u4e09\u4e2a\u5b50\u7cfb\u7edf\u5728\u65b0\u73af\u5883\u4e0b\u91cd\u65b0\u5efa\u7acb\u6b63\u786e\u7684\u534f\u4f5c\u5173\u7cfb\u3002\u5efa\u8bae\u4f60\u6309\u4ee5\u4e0b\u987a\u5e8f\u64cd\u4f5c\uff1a<\/p>\n<ol>\n<li><strong>\u8fc1\u79fb\u524d 48 \u5c0f\u65f6<\/strong>\uff1a\u964d\u4f4e DNS TTL\uff0c\u5bfc\u51fa\u5168\u90e8 DNS \u8bb0\u5f55\uff0c\u5907\u4efd\u65e7\u670d\u52a1\u5668 SSL \u8bc1\u4e66\u548c\u90ae\u4ef6\u914d\u7f6e<\/li>\n<li><strong>\u5207\u6362\u5f53\u5929<\/strong>\uff1a\u66f4\u65b0 DNS A \u8bb0\u5f55\u548c CNAME\uff0c\u7b49\u5f85\u5168\u7403\u4f20\u64ad\u5b8c\u6210<\/li>\n<li><strong>DNS \u4f20\u64ad\u540e<\/strong>\uff1a\u5728\u65b0\u670d\u52a1\u5668\u7b7e\u53d1\/\u5b89\u88c5 SSL \u8bc1\u4e66\uff0c\u9a8c\u8bc1 HTTPS \u6b63\u5e38<\/li>\n<li><strong>\u90ae\u4ef6\u914d\u7f6e<\/strong>\uff1a\u786e\u8ba4 MX \u8bb0\u5f55\u3001SPF\u3001DKIM\u3001DMARC \u5168\u90e8\u6b63\u786e\uff0c\u53d1\u9001\u6d4b\u8bd5\u90ae\u4ef6\u9a8c\u8bc1<\/li>\n<li><strong>\u8054\u8c03\u6536\u5c3e<\/strong>\uff1a\u4e09\u65b9\u540c\u65f6\u9a8c\u8bc1\uff0c\u4fdd\u7559\u65e7\u670d\u52a1\u5668 72 \u5c0f\u65f6\u4ee5\u4e0a<\/li>\n<\/ol>\n<p>\u5982\u679c\u4f60\u9700\u8981\u4e13\u4e1a\u7684\u8fc1\u79fb\u652f\u6301\uff0c\u53ef\u4ee5\u8003\u8651 <a href=\"https:\/\/cn.hostease.com\/vps\/\">Hostease \u7684 VPS \u4e3b\u673a\u65b9\u6848<\/a>\u6216<a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u72ec\u7acb\u670d\u52a1\u5668\u65b9\u6848<\/a>\uff0c\u6211\u4eec\u7684\u6280\u672f\u652f\u6301\u56e2\u961f\u53ef\u4ee5\u534f\u52a9\u5b8c\u6210\u8fc1\u79fb\u524d\u7684\u73af\u5883\u68c0\u67e5\u548c\u8fc1\u79fb\u540e\u7684\u670d\u52a1\u9a8c\u8bc1\u3002WordPress \u7528\u6237\u4e5f\u53ef\u4ee5\u67e5\u770b<a href=\"https:\/\/cn.hostease.com\/wordpress-hosting\/\">WordPress \u4e3b\u673a\u6258\u7ba1\u670d\u52a1<\/a>\u548c<a href=\"https:\/\/cn.hostease.com\/blog\/optimization\/\">\u7f51\u7ad9\u4f18\u5316\u6307\u5357<\/a>\uff0c\u83b7\u5f97\u66f4\u7701\u5fc3\u7684\u8fc1\u79fb\u4f53\u9a8c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7f51\u7ad9\u8fc1\u79fb\u5230\u65b0\u670d\u52a1\u5668\u540e\uff0cDNS\u3001SSL\u8bc1\u4e66\u4e0e\u90ae\u4ef6\u670d\u52a1\u9700\u8981\u8054\u52a8\u68c0\u67e5\u3002\u672c\u6587\u63d0\u4f9b\u5b8c\u6574\u6e05\u5355\uff0c\u5e2e\u4f60\u907f\u514d\u8fc1\u79fb\u540e\u7f51\u7ad9\u6253\u4e0d\u5f00\u3001\u90ae\u4ef6\u6536\u4e0d\u5230\u7684\u95ee\u9898\u3002<\/p>\n","protected":false},"author":2,"featured_media":31473,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3822],"tags":[3481,995,3734,411,4494],"class_list":["post-31477","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guides","tag-dns","tag-ssl","tag-3734","tag-411","tag-4494"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/07\/migration-server-dns-ssl-cover.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/31477","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/comments?post=31477"}],"version-history":[{"count":0,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/31477\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media\/31473"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media?parent=31477"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/categories?post=31477"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/tags?post=31477"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}