{"id":1359,"date":"2026-04-08T11:14:34","date_gmt":"2026-04-08T03:14:34","guid":{"rendered":"https:\/\/www.ygcloud.com\/knowledge\/?p=1359"},"modified":"2026-04-08T11:14:34","modified_gmt":"2026-04-08T03:14:34","slug":"%e5%9f%9f%e5%90%8d%e8%a7%a3%e6%9e%90%e5%90%8e%e7%bd%91%e7%ab%99%e6%89%93%e4%b8%8d%e5%bc%80%e7%9a%84%e5%ae%98%e6%96%b9%e9%97%ae%e9%a2%98%e8%a7%a3%e5%86%b3%e6%b8%85%e5%8d%95","status":"publish","type":"post","link":"https:\/\/www.ygcloud.com\/knowledge\/1359\/","title":{"rendered":"\u57df\u540d\u89e3\u6790\u540e\u7f51\u7ad9\u6253\u4e0d\u5f00\u7684\u5b98\u65b9\u95ee\u9898\u89e3\u51b3\u6e05\u5355"},"content":{"rendered":"

<\/p>\n

\u76f4\u63a5\u7ed9\u4f60\u6392\u67e5\u6e05\u5355<\/h2>\n

\u9047\u5230\u57df\u540d\u89e3\u6790\u540e\u7f51\u7ad9\u6253\u4e0d\u5f00\uff0c\u6309\u8fd9\u4e2a\u987a\u5e8f\u67e5\uff1a<\/p>\n

1. \u767b\u5f55DNS\u7ba1\u7406\u540e\u53f0\uff0c\u786e\u8ba4\u8bb0\u5f55\u5185\u5bb9<\/strong><\/p>\n

\u68c0\u67e5A\u8bb0\u5f55\u586b\u7684IP\u662f\u5426\u662f\u4f60\u65b0\u670d\u52a1\u5668\u7684IP\u3002\u68c0\u67e5CNAME\u662f\u5426\u6307\u5411\u4e00\u4e2a\u771f\u5b9e\u5b58\u5728\u7684\u57df\u540d\u3002\u786e\u8ba4\u8bb0\u5f55\u7c7b\u578b\u9009\u62e9\u6b63\u786e\uff0cA\u8bb0\u5f55\u662fA\uff0cCNAME\u662fCNAME\uff0c\u4e0d\u80fd\u641e\u6df7\u3002<\/p>\n

\u8fd9\u4e00\u6b65\u542c\u8d77\u6765\u7b80\u5355\uff0c\u4f46\u8fd9\u7c7b\u9519\u8bef\u5728\u5b9e\u9645\u95ee\u9898\u91cc\u5360\u6bd4\u6700\u9ad8\u3002<\/p>\n

2. \u53bb DNS Checker \u9a8c\u8bc1\u5168\u7403\u89e3\u6790\u72b6\u6001<\/strong><\/p>\n

\u6253\u5f00 dnschecker.org\uff0c\u8f93\u5165\u4f60\u7684\u57df\u540d\uff0c\u9009\u62e9A\u8bb0\u5f55\uff08\u6216\u5176\u4ed6\u5bf9\u5e94\u7c7b\u578b\uff09\uff0c\u770b\u5168\u7403\u5404\u8282\u70b9\u7684\u89e3\u6790\u7ed3\u679c\u662f\u5426\u4e00\u81f4\u4e14\u6307\u5411\u6b63\u786eIP\u3002<\/p>\n

\u5982\u679c\u5168\u7403\u90fd\u8fd4\u56de\u6b63\u786eIP\uff1a\u8bf4\u660eDNS\u672c\u8eab\u6ca1\u95ee\u9898\uff0c\u95ee\u9898\u5728\u670d\u52a1\u5668\u7aef\u3002
\n\u5982\u679c\u90e8\u5206\u8282\u70b9\u8fd4\u56de\u9519\u8bef\u6216\u7a7a\uff1a\u8bf4\u660e\u8bb0\u5f55\u672c\u8eab\u914d\u7f6e\u6709\u95ee\u9898\u6216\u4f20\u64ad\u672a\u5b8c\u6210\u3002<\/p>\n

3. \u68c0\u67e5\u5f53\u524dTTL\u503c<\/strong><\/p>\n

\u767b\u5f55DNS\u7ba1\u7406\u540e\u53f0\uff0c\u67e5\u4e00\u4e0b\u8fd9\u6761\u8bb0\u5f55\u7684TTL\u662f\u591a\u5c11\u3002\u5982\u679c\u539f\u6765\u662f86400\u79d2\uff0824\u5c0f\u65f6\uff09\uff0c\u6539\u4e86\u8bb0\u5f55\u540e\u7b4924\u5c0f\u65f6\u624d\u4f1a\u5b8c\u5168\u66f4\u65b0\u3002\u4e0b\u6b21\u6539\u89e3\u6790\u524d\uff0c\u63d0\u524d\u628aTTL\u8c03\u5c0f\u5230300\u79d2\uff0c\u53ef\u4ee5\u5927\u5e45\u7f29\u77ed\u7b49\u5f85\u65f6\u95f4\u3002<\/p>\n

4. \u786e\u8ba4NS\u662f\u5426\u5df2\u4fee\u6539<\/strong><\/p>\n

\u6362\u4e86DNS\u670d\u52a1\u5546\u540e\uff0c\u5fc5\u987b\u53bb\u57df\u540d\u6ce8\u518c\u5546\u90a3\u8fb9\u6539NS\u8bb0\u5f55\u3002\u53ea\u5728DNS\u670d\u52a1\u5546\u90a3\u8fb9\u6539\u4e86\u89e3\u6790\uff0c\u4f46\u57df\u540d\u6ce8\u518c\u5546\u7684NS\u8fd8\u662f\u65e7\u7684\uff0c\u4f60\u6539\u7684\u6839\u672c\u4e0d\u4f1a\u88ab\u7528\u5230\u3002NS\u4fee\u6539\u5728\u6ce8\u518c\u5546\u4fa7\u64cd\u4f5c\uff0c\u751f\u6548\u65f6\u95f424-72\u5c0f\u65f6\u3002<\/p>\n

5. \u68c0\u67e5\u57df\u540d\u72b6\u6001<\/strong><\/p>\n

\u767b\u5f55\u57df\u540d\u7ba1\u7406\u540e\u53f0\uff0c\u786e\u8ba4\u57df\u540d\u72b6\u6001\u6b63\u5e38\uff08\u4e0d\u662fclientHold\u6216serverHold\uff09\u3002\u56fd\u5185\u57df\u540d\u8fd8\u8981\u786e\u8ba4\u5b9e\u540d\u8ba4\u8bc1\u5df2\u901a\u8fc7\u3002<\/p>\n

6. \u6e05\u9664\u672c\u5730DNS\u7f13\u5b58<\/strong><\/p>\n

Windows\u6267\u884cipconfig \/flushdns<\/code>\uff0cMac\u6267\u884csudo dscacheutil -flushcache<\/code>\uff0c\u7136\u540e\u7528nslookup \u4f60\u7684\u57df\u540d<\/code>\u9a8c\u8bc1\u8fd4\u56deIP\u3002<\/p>\n

7. \u6362\u7f51\u7edc\u73af\u5883\u6d4b\u8bd5<\/strong><\/p>\n

\u7528\u624b\u673a4G\u6216\u5176\u4ed6WiFi\u8bbf\u95ee\uff0c\u6392\u9664\u672c\u5730\u8fd0\u8425\u5546DNS\u7f13\u5b58\u95ee\u9898\u3002\u5982\u679c4G\u80fd\u6253\u5f00\u4f46\u672c\u5730WiFi\u6253\u4e0d\u5f00\uff0c\u8bf4\u660e\u662f\u672c\u5730\u7f51\u7edc\u7684\u95ee\u9898\uff0c\u548cDNS\u89e3\u6790\u672c\u8eab\u65e0\u5173\u3002<\/p>\n

\u5e38\u89c1\u9519\u8bef\u573a\u666f<\/h2>\n

\u6539\u4e86A\u8bb0\u5f55\u540e\u8df3\u5230”Welcome to Nginx”<\/strong><\/p>\n

\u89e3\u6790\u5df2\u7ecf\u751f\u6548\u6307\u5411\u4e86\u65b0\u670d\u52a1\u5668\uff0c\u4f46\u65b0\u670d\u52a1\u5668\u4e0a\u6ca1\u6709\u914d\u7f6e\u4f60\u7684\u7f51\u7ad9\u3002\u9700\u8981\u53bbWeb\u670d\u52a1\u5668\u91cc\u6dfb\u52a0\u7ad9\u70b9\u914d\u7f6e\uff0c\u628a\u57df\u540d\u548c\u7f51\u7ad9\u76ee\u5f55\u7ed1\u5b9a\u8d77\u6765\u3002<\/p>\n

\u89e3\u6790\u751f\u6548\u4f46\u6d4f\u89c8\u5668\u62a5”\u8fde\u63a5\u88ab\u91cd\u7f6e”<\/strong><\/p>\n

\u670d\u52a1\u5668\u7aef\u7684\u9632\u706b\u5899\u6216Web\u670d\u52a1\u6ca1\u6709\u6b63\u786e\u54cd\u5e94\u3002\u6267\u884ccurl -I \u4f60\u7684\u57df\u540d<\/code>\uff0c\u5982\u679c\u8fd4\u56de”Connection refused”\u8bf4\u660e\u95ee\u9898\u5728\u670d\u52a1\u5668\u4fa7\uff0c\u4e0d\u5728DNS\u3002<\/p>\n

\u7528\u4e86CDN\u540e\u51fa\u73b0\u5f02\u5e38<\/strong><\/p>\n

\u5f00\u542fCloudflare\u7b49CDN\u540e\uff0c\u89e3\u6790\u5148\u5230CDN\u518d\u56de\u6e90\u3002DNS\u8bb0\u5f55\u6539\u4e86\u4f46CDN\u7aef\u914d\u7f6e\u6ca1\u66f4\u65b0\uff0c\u7528\u6237\u8fd8\u662f\u4f1a\u88ab\u5bfc\u5411\u9519\u8bef\u7684\u5730\u5740\u3002\u53bbCDN\u63a7\u5236\u53f0\u68c0\u67e5\u56de\u6e90\u914d\u7f6e\u548c\u7f13\u5b58\u89c4\u5219\u3002<\/p>\n

HTTPS\u7ad9\u70b9\u89e3\u6790\u540e\u8bc1\u4e66\u62a5\u9519<\/strong><\/p>\n

Let’s Encrypt\u7b49\u8bc1\u4e66\u7533\u8bf7\u9700\u8981DNS\u5148\u751f\u6548\u624d\u80fd\u5b8c\u6210\u57df\u540d\u9a8c\u8bc1\u3002DNS\u521a\u6539\u5b8c\u5c31\u53bb\u7533\u8bf7\u8bc1\u4e66\u53ef\u80fd\u5931\u8d25\u3002\u7b49\u89e3\u6790\u5b8c\u5168\u751f\u6548\u540e\u518d\u7533\u8bf7\uff0c\u6216\u8005\u7528DNS\u670d\u52a1\u5546\u63d0\u4f9b\u7684\u81ea\u52a8\u8bc1\u4e66\u914d\u7f6e\u529f\u80fd\u3002<\/p>\n

\u7279\u6b8a\u60c5\u51b5\u7684\u5904\u7406<\/h2>\n

Cloudflare\u5e72\u6270<\/strong><\/p>\n

\u7528\u4e86Cloudflare\u540e\uff0cDNS\u8bb0\u5f55\u4f1a\u88abCDN\u8986\u76d6\u3002\u6709\u65f6\u5019DNS\u8bb0\u5f55\u6539\u4e86\u4f46Cloudflare\u90a3\u8fb9\u8fd8\u5728\u7528\u65e7\u914d\u7f6e\u3002\u53bbCloudflare\u63a7\u5236\u53f0DNS\u8bbe\u7f6e\u91cc\uff0c\u770b\u8bb0\u5f55\u72b6\u6001\u662f”Proxied”\u8fd8\u662f”DNS only”\u2014\u2014\u5982\u679c\u60f3\u7ed5\u8fc7CDN\u7f13\u5b58\u6d4b\u8bd5\uff0c\u5148\u6539\u6210”DNS only”\u3002<\/p>\n

SSL\u8bc1\u4e66\u95ee\u9898<\/strong><\/p>\n

HTTPS\u7ad9\u70b9\u5fc5\u987b\u6709\u8bc1\u4e66\u624d\u80fd\u6b63\u5e38\u8bbf\u95ee\u3002\u7f51\u7ad9\u6253\u4e0d\u5f00\u5982\u679c\u662f\u8bc1\u4e66\u95ee\u9898\uff08\u8fc7\u671f\u3001\u914d\u7f6e\u9519\u8bef\uff09\uff0c\u9700\u8981\u5728\u670d\u52a1\u5668\u4e0a\u91cd\u65b0\u7533\u8bf7\u6216\u5b89\u88c5\u8bc1\u4e66\u3002\u8424\u5149\u4e91\u7b49\u4e3b\u6d41\u5382\u5546\u63a7\u5236\u53f0\u63d0\u4f9b\u514d\u8d39SSL\u8bc1\u4e66\u4e00\u952e\u5b89\u88c5\u3002<\/p>\n

DNS\u6c61\u67d3<\/strong><\/p>\n

\u90e8\u5206\u5730\u533a\u4f1a\u7ed9\u7279\u5b9a\u57df\u540d\u8fd4\u56de\u9519\u8befIP\u3002\u4e34\u65f6\u7ed5\u8fc7\u65b9\u6cd5\u662f\u7528\u516c\u5171DNS\uff08Google\u76848.8.8.8\u6216Cloudflare\u76841.1.1.1\uff09\uff0c\u5728\u672c\u5730\u7f51\u7edc\u8bbe\u7f6e\u91cc\u628aDNS\u6539\u6210\u8fd9\u4e24\u4e2a\u5730\u5740\u3002<\/p>\n

\u4f60\u53ef\u80fd\u5728\u60f3<\/h2>\n

DNS\u89e3\u6790\u6210\u529f\u4e86\u4f46\u7f51\u7ad9\u8fd8\u662f\u6253\u4e0d\u5f00\u600e\u4e48\u529e\uff1f<\/strong><\/p>\n

\u5148\u68c0\u67e5Web\u670d\u52a1\u5668\u662f\u5426\u5728\u8fd0\u884c\uff08systemctl status nginx<\/code>\uff09\uff0c\u518d\u770b\u9632\u706b\u5899\u662f\u5426\u653e\u884c\u4e8680\u548c443\u7aef\u53e3\u3002\u5982\u679c\u90fd\u6ca1\u95ee\u9898\uff0c\u7528curl -I \u4f60\u7684\u57df\u540d<\/code>\u770b\u5177\u4f53\u62a5\u9519\u4fe1\u606f\u3002<\/p>\n

CDN\u5f00\u542f\u540eDNS\u8981\u600e\u4e48\u914d\u5408\uff1f<\/strong><\/p>\n

\u5f00\u542fCDN\u540eDNS\u8bb0\u5f55\u901a\u5e38\u6539\u6210CDN\u63d0\u4f9b\u7684CNAME\u6216IP\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u6307\u5411\u6e90\u7ad9\u3002\u6e90\u7ad9IP\u4e0d\u9700\u8981\u5bf9\u5916\u66b4\u9732\uff0c\u7531CDN\u5904\u7406\u56de\u6e90\u8bf7\u6c42\u3002CDN\u51fa\u95ee\u9898\u60f3\u5feb\u901f\u56de\u9000\uff0c\u628aDNS\u6539\u6210\u76f4\u63a5\u6307\u5411\u6e90\u7ad9IP\u5373\u53ef\u3002<\/p>\n

HTTPS\u7ad9\u70b9DNS\u914d\u7f6e\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/strong><\/p>\n

HTTPS\u548cHTTP\u7684DNS\u914d\u7f6e\u65b9\u6cd5\u5b8c\u5168\u4e00\u6837\uff0c\u533a\u522b\u5728\u670d\u52a1\u5668\u7aef\u8981\u88c5SSL\u8bc1\u4e66\u3002DNS\u53ea\u8d1f\u8d23\u544a\u8bc9\u7528\u6237\u53bb\u54ea\u627e\u670d\u52a1\u5668\uff0c\u5177\u4f53\u8d70HTTP\u8fd8\u662fHTTPS\u662f\u670d\u52a1\u5668\u7aef\u51b3\u5b9a\u7684\u3002<\/p>\n

DNS\u88ab\u52ab\u6301\u4e86\u600e\u4e48\u529e\uff1f<\/strong><\/p>\n

DNS\u52ab\u6301\u662f\u8fd0\u8425\u5546\u5c42\u9762\u7684\u95ee\u9898\uff0c\u7528\u6237\u7aef\u96be\u4ee5\u6839\u9664\u3002\u5c1d\u8bd5\u4f7f\u7528DoH\uff08DNS over HTTPS\uff09\u6216DoT\uff08DNS over TLS\uff09\u7ed5\u8fc7\u8fd0\u8425\u5546DNS\u3002\u8424\u5149\u4e91\u63a7\u5236\u53f0\u63d0\u4f9b\u57df\u540d\u5065\u5eb7\u68c0\u6d4b\u529f\u80fd\uff0c\u53ef\u4ee5\u5e2e\u52a9\u53d1\u73b0DNS\u5f02\u5e38\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u76f4\u63a5\u7ed9\u4f60\u6392\u67e5\u6e05\u5355 \u9047\u5230\u57df\u540d\u89e3\u6790\u540e\u7f51\u7ad9\u6253\u4e0d\u5f00\uff0c\u6309\u8fd9\u4e2a\u987a\u5e8f\u67e5\uff1a 1. \u767b\u5f55DNS\u7ba1\u7406\u540e\u53f0\uff0c\u786e\u8ba4\u8bb0\u5f55\u5185\u5bb9 \u68c0\u67e5A\u8bb0\u5f55\u586b\u7684IP\u662f\u5426\u662f\u4f60\u65b0\u670d\u52a1\u5668\u7684IP\u3002\u68c0\u67e5CNAME\u662f\u5426\u6307\u5411\u4e00\u4e2a\u771f\u5b9e\u5b58\u5728\u7684\u57df\u540d\u3002\u786e\u8ba4\u8bb0\u5f55\u7c7b\u578b\u9009\u62e9\u6b63\u786e\uff0cA\u8bb0\u5f55\u662fA\uff0cCNAME\u662fCNAME…<\/p>\n","protected":false},"author":1,"featured_media":1362,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[102],"topic":[],"class_list":["post-1359","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-100","tag-102"],"_links":{"self":[{"href":"https:\/\/www.ygcloud.com\/knowledge\/wp-json\/wp\/v2\/posts\/1359","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ygcloud.com\/knowledge\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ygcloud.com\/knowledge\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ygcloud.com\/knowledge\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ygcloud.com\/knowledge\/wp-json\/wp\/v2\/comments?post=1359"}],"version-history":[{"count":1,"href":"https:\/\/www.ygcloud.com\/knowledge\/wp-json\/wp\/v2\/posts\/1359\/revisions"}],"predecessor-version":[{"id":1363,"href":"https:\/\/www.ygcloud.com\/knowledge\/wp-json\/wp\/v2\/posts\/1359\/revisions\/1363"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ygcloud.com\/knowledge\/wp-json\/wp\/v2\/media\/1362"}],"wp:attachment":[{"href":"https:\/\/www.ygcloud.com\/knowledge\/wp-json\/wp\/v2\/media?parent=1359"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ygcloud.com\/knowledge\/wp-json\/wp\/v2\/categories?post=1359"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ygcloud.com\/knowledge\/wp-json\/wp\/v2\/tags?post=1359"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.ygcloud.com\/knowledge\/wp-json\/wp\/v2\/topic?post=1359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}