{"id":100965,"date":"2026-09-05T21:17:13","date_gmt":"2026-09-05T13:17:13","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/100965.html"},"modified":"2026-09-05T21:17:13","modified_gmt":"2026-09-05T13:17:13","slug":"dns-01%e8%87%aa%e5%8a%a8%e7%bb%ad%e6%9c%9f%e5%ae%9e%e6%88%98%ef%bc%9a%e7%94%a8cname%e5%a7%94%e6%89%98%e8%a7%a3%e5%86%b3%e5%a4%9a%e6%9c%8d%e5%8a%a1%e5%99%a8%e8%af%81%e4%b9%a6%e9%aa%8c%e8%af%81","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/100965.html","title":{"rendered":"DNS-01\u81ea\u52a8\u7eed\u671f\u5b9e\u6218\uff1a\u7528CNAME\u59d4\u6258\u89e3\u51b3\u591a\u670d\u52a1\u5668\u8bc1\u4e66\u9a8c\u8bc1"},"content":{"rendered":"<p>\u5728\u5355\u53f0\u670d\u52a1\u5668\u4e0a\u7ed9\u4e00\u4e2a\u57df\u540d\u7533\u8bf7\u8bc1\u4e66&#xff0c;HTTP-01 \u901a\u5e38\u591f\u7528\u3002\u4f46\u5f53\u73af\u5883\u6269\u5c55\u5230\u591a\u53f0\u670d\u52a1\u5668\u3001\u5185\u7f51\u670d\u52a1\u3001CDN\u3001\u8d1f\u8f7d\u5747\u8861\u548c\u591a\u4e2a\u4e91\u8d26\u53f7\u65f6&#xff0c;HTTP-01 \u5f88\u5feb\u4f1a\u66b4\u9732\u9650\u5236&#xff1a;80 \u7aef\u53e3\u4e0d\u4e00\u5b9a\u5f00\u653e&#xff0c;\u6311\u6218\u6587\u4ef6\u53ef\u80fd\u88ab\u53cd\u5411\u4ee3\u7406\u6539\u5199&#xff0c;\u5207\u6362\u670d\u52a1\u5668\u540e\u8fd8\u8981\u91cd\u65b0\u914d\u7f6e\u9a8c\u8bc1\u8def\u5f84\u3002<\/p>\n<p>DNS-01 \u66f4\u9002\u5408\u590d\u6742\u73af\u5883&#xff0c;\u800c CNAME \u59d4\u6258\u53ef\u4ee5\u8fdb\u4e00\u6b65\u628a\u201c\u4e1a\u52a1 DNS \u7ba1\u7406\u201d\u548c\u201cACME \u6311\u6218\u8bb0\u5f55\u7ba1\u7406\u201d\u5206\u79bb\u3002\u672c\u6587\u8bb0\u5f55\u4e00\u5957\u53ef\u843d\u5730\u7684\u8bbe\u8ba1\u4e0e\u6392\u9519\u65b9\u6cd5\u3002<\/p>\n<p><img decoding=\"async\" alt=\"DNS-01\u8bc1\u4e66\u81ea\u52a8\u7b7e\u53d1\u4e0e\u90e8\u7f72\u6d41\u7a0b\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260905131710-6a9c1656d4de0.png\" \/><\/p>\n<h3>\u4e00\u3001DNS-01 \u9a8c\u8bc1\u89e3\u51b3\u4ec0\u4e48\u95ee\u9898<\/h3>\n<p>CA \u5728\u7b7e\u53d1\u8bc1\u4e66\u524d&#xff0c;\u9700\u8981\u786e\u8ba4\u7533\u8bf7\u8005\u63a7\u5236\u76ee\u6807\u57df\u540d\u3002DNS-01 \u7684\u505a\u6cd5\u662f\u5728\u6307\u5b9a\u4f4d\u7f6e\u521b\u5efa TXT \u8bb0\u5f55&#xff1a;<\/p>\n<p>_acme-challenge.example.com TXT &#034;challenge-token&#034; <\/p>\n<p>CA \u67e5\u8be2\u5230\u6b63\u786e\u503c\u540e&#xff0c;\u57df\u540d\u9a8c\u8bc1\u901a\u8fc7\u3002\u4e0e HTTP-01 \u76f8\u6bd4&#xff0c;DNS-01 \u6709\u51e0\u4e2a\u660e\u663e\u4f18\u52bf&#xff1a;<\/p>\n<ul>\n<li>\u4e0d\u4f9d\u8d56 80 \u7aef\u53e3\u548c Web \u670d\u52a1&#xff1b;<\/li>\n<li>\u53ef\u4ee5\u7b7e\u53d1\u901a\u914d\u7b26\u8bc1\u4e66&#xff1b;<\/li>\n<li>\u5185\u7f51\u670d\u52a1\u5668\u4e0d\u9700\u8981\u66b4\u9732\u9a8c\u8bc1\u7aef\u53e3&#xff1b;<\/li>\n<li>\u8bc1\u4e66\u7b7e\u53d1\u8282\u70b9\u548c\u4e1a\u52a1\u670d\u52a1\u5668\u53ef\u4ee5\u5b8c\u5168\u5206\u79bb\u3002<\/li>\n<\/ul>\n<p>\u4f46\u5982\u679c\u81ea\u52a8\u5316\u7a0b\u5e8f\u76f4\u63a5\u6301\u6709\u4e1a\u52a1 DNS \u8d26\u53f7\u7684\u5b8c\u6574\u6743\u9650&#xff0c;\u5b89\u5168\u98ce\u9669\u4e5f\u4f1a\u968f\u4e4b\u653e\u5927\u3002CNAME \u59d4\u6258\u5c31\u662f\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<h3>\u4e8c\u3001CNAME \u59d4\u6258\u7684\u57fa\u672c\u7ed3\u6784<\/h3>\n<p>\u5728\u4e1a\u52a1\u57df\u540d\u7684 DNS \u670d\u52a1\u5546\u4e2d\u914d\u7f6e\u4e00\u6b21&#xff1a;<\/p>\n<p>_acme-challenge.example.com CNAME _acme-challenge.example.validation.example.net <\/p>\n<p>\u4e4b\u540e&#xff0c;\u81ea\u52a8\u5316\u7cfb\u7edf\u53ea\u5728 validation.example.net \u8fd9\u4e2a\u4e13\u7528\u9a8c\u8bc1\u533a\u57df\u5185\u521b\u5efa TXT \u8bb0\u5f55&#xff1a;<\/p>\n<p>_acme-challenge.example.validation.example.net TXT &#034;challenge-token&#034; <\/p>\n<p>CA \u67e5\u8be2\u539f\u59cb\u6311\u6218\u540d\u79f0\u65f6\u4f1a\u8ddf\u968f CNAME&#xff0c;\u6700\u7ec8\u8bfb\u53d6\u5230\u9a8c\u8bc1 TXT\u3002\u4e1a\u52a1\u57df\u540d\u7684 A\u3001AAAA\u3001MX \u7b49\u8bb0\u5f55\u5b8c\u5168\u4e0d\u53d7\u5f71\u54cd\u3002<\/p>\n<h3>\u4e09\u3001\u4e3a\u4ec0\u4e48\u59d4\u6258\u57df\u540d\u8981\u5355\u72ec\u8bbe\u8ba1<\/h3>\n<p>\u9a8c\u8bc1\u57df\u540d\u4e0d\u5e94\u8be5\u53ea\u662f\u968f\u4fbf\u627e\u4e00\u4e2a\u4e8c\u7ea7\u57df\u540d\u3002\u751f\u4ea7\u73af\u5883\u81f3\u5c11\u8981\u8003\u8651\u4ee5\u4e0b\u51e0\u70b9&#xff1a;<\/p>\n<h4>1. \u552f\u4e00\u6620\u5c04<\/h4>\n<p>\u4e0d\u540c\u79df\u6237\u3001\u4e0d\u540c\u57df\u540d\u4e0d\u80fd\u5199\u5165\u540c\u4e00\u4e2a\u4e0d\u53d7\u9694\u79bb\u7684\u8bb0\u5f55\u540d\u3002\u53ef\u4ee5\u4f7f\u7528\u57df\u540d\u54c8\u5e0c\u6216\u79df\u6237 ID \u6784\u9020\u552f\u4e00\u6311\u6218\u540d\u79f0&#xff0c;\u4f8b\u5982&#xff1a;<\/p>\n<p>_acme-challenge.&lt;domain-hash&gt;.validation.example.net <\/p>\n<h4>2. \u6700\u5c0f\u6743\u9650<\/h4>\n<p>DNS API \u5bc6\u94a5\u53ea\u5141\u8bb8\u4fee\u6539\u9a8c\u8bc1\u533a\u57df&#xff0c;\u4e0d\u80fd\u4fee\u6539\u4e1a\u52a1\u6839\u57df\u3002\u5373\u4f7f\u7b7e\u53d1 Worker \u7684\u51ed\u636e\u6cc4\u9732&#xff0c;\u653b\u51fb\u8303\u56f4\u4e5f\u88ab\u9650\u5236\u5728 ACME \u6311\u6218\u8bb0\u5f55\u3002<\/p>\n<h4>3. \u4e0d\u8986\u76d6\u540c\u540d TXT<\/h4>\n<p>\u540c\u4e00\u57df\u540d\u53ef\u80fd\u540c\u65f6\u5b58\u5728\u591a\u4e2a ACME Order&#xff0c;\u6216\u88ab\u591a\u4e2a CA \u5e76\u53d1\u9a8c\u8bc1\u3002\u65b0\u589e TXT \u65f6\u5fc5\u987b\u6267\u884c AddTXT&#xff0c;\u800c\u4e0d\u662f\u5148\u5220\u9664\u540c\u540d\u8bb0\u5f55\u518d\u5199\u5165\u3002\u6e05\u7406\u65f6\u4e5f\u53ea\u80fd\u5220\u9664\u5f53\u524d\u8ba2\u5355\u521b\u5efa\u7684\u503c\u3002<\/p>\n<h3>\u56db\u3001TXT \u8bb0\u5f55\u4f20\u64ad\u4e0d\u80fd\u53ea\u9760 sleep<\/h3>\n<p>\u5f88\u591a\u811a\u672c\u521b\u5efa TXT \u540e\u56fa\u5b9a\u7b49\u5f85 30 \u79d2&#xff0c;\u7136\u540e\u76f4\u63a5\u901a\u77e5 CA \u9a8c\u8bc1\u3002\u8fd9\u79cd\u65b9\u5f0f\u5728\u6d4b\u8bd5\u73af\u5883\u53ef\u80fd\u6b63\u5e38&#xff0c;\u4f46\u751f\u4ea7\u4e2d\u5e76\u4e0d\u7a33\u5b9a\u3002<\/p>\n<p>\u66f4\u53ef\u9760\u7684\u505a\u6cd5\u662f\u5206\u5c42\u68c0\u67e5&#xff1a;<\/p>\n<li>\u8c03\u7528 DNS Provider API&#xff0c;\u786e\u8ba4\u8bb0\u5f55\u521b\u5efa\u6210\u529f\u5e76\u83b7\u5f97\u8bb0\u5f55 ID&#xff1b;<\/li>\n<li>\u67e5\u8be2\u6743\u5a01 DNS&#xff0c;\u786e\u8ba4\u6743\u5a01\u670d\u52a1\u5668\u5df2\u7ecf\u8fd4\u56de\u65b0\u503c&#xff1b;<\/li>\n<li>\u518d\u67e5\u8be2\u81f3\u5c11\u4e00\u4e2a\u516c\u5171\u9012\u5f52 DNS&#xff0c;\u786e\u8ba4\u5916\u90e8\u89e3\u6790\u94fe\u8def\u53ef\u89c1&#xff1b;<\/li>\n<li>\u8fbe\u5230\u8d85\u65f6\u65f6\u95f4\u4ecd\u4e0d\u53ef\u89c1&#xff0c;\u5219\u8ba2\u5355\u8fdb\u5165\u53ef\u91cd\u8bd5\u5931\u8d25\u72b6\u6001\u3002<\/li>\n<p>\u4f2a\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/p>\n<p>deadline &#061; now &#043; propagation_timeout<br \/>\nwhile now &lt; deadline:<br \/>\n    if authoritative_dns_has(token) and recursive_dns_has(token):<br \/>\n        return READY<br \/>\n    sleep(backoff.next())<br \/>\nreturn PROPAGATION_TIMEOUT <\/p>\n<p>\u9000\u907f\u65f6\u95f4\u5e94\u9010\u6e10\u589e\u52a0&#xff0c;\u907f\u514d\u77ed\u65f6\u95f4\u5185\u9ad8\u9891\u8bf7\u6c42 DNS\u3002<\/p>\n<h3>\u4e94\u3001ACME Order \u8981\u505a\u6210\u72b6\u6001\u673a<\/h3>\n<p>\u8bc1\u4e66\u7b7e\u53d1\u901a\u5e38\u8de8\u8d8a\u591a\u4e2a\u7f51\u7edc\u6b65\u9aa4&#xff0c;\u4e0d\u80fd\u653e\u5728\u4e00\u4e2a\u540c\u6b65 HTTP \u8bf7\u6c42\u4e2d\u786c\u7b49\u7ed3\u679c\u3002\u5efa\u8bae\u4f7f\u7528\u660e\u786e\u72b6\u6001&#xff1a;<\/p>\n<p>pending<br \/>\n  \u2192 creating_challenge<br \/>\n  \u2192 waiting_dns<br \/>\n  \u2192 validating<br \/>\n  \u2192 finalizing<br \/>\n  \u2192 issued<br \/>\n  \u2192 deploying<br \/>\n  \u2192 active <\/p>\n<p>\u5f02\u5e38\u72b6\u6001\u8fd8\u5e94\u8bb0\u5f55\u9519\u8bef\u7c7b\u578b\u3001\u91cd\u8bd5\u6b21\u6570\u3001\u4e0b\u6b21\u91cd\u8bd5\u65f6\u95f4\u548c\u6700\u540e\u4e00\u6b21 Worker\u3002\u8fd9\u6837\u670d\u52a1\u91cd\u542f\u540e\u53ef\u4ee5\u6062\u590d\u4efb\u52a1&#xff0c;\u800c\u4e0d\u662f\u521b\u5efa\u91cd\u590d\u8ba2\u5355\u3002<\/p>\n<p>\u9700\u8981\u7279\u522b\u5904\u7406&#xff1a;<\/p>\n<ul>\n<li>CA Rate Limit \u548c Retry-After&#xff1b;<\/li>\n<li>Worker \u62a2\u5360\u4e0e\u79df\u7ea6\u8d85\u65f6&#xff1b;<\/li>\n<li>\u91cd\u590d\u56de\u8c03\u7684\u5e42\u7b49\u6027&#xff1b;<\/li>\n<li>CAA \u4e0d\u5141\u8bb8\u76ee\u6807 CA&#xff1b;<\/li>\n<li>DNS TXT \u5df2\u5b58\u5728\u4f46\u8bb0\u5f55 ID \u4e22\u5931&#xff1b;<\/li>\n<li>\u7b7e\u53d1\u5b8c\u6210\u540e\u90e8\u7f72\u5931\u8d25\u3002<\/li>\n<\/ul>\n<h3>\u516d\u3001TXT \u6e05\u7406\u5e94\u8be5\u5ef6\u8fdf\u6267\u884c<\/h3>\n<p>CA \u8fd4\u56de\u9a8c\u8bc1\u6210\u529f\u540e&#xff0c;\u4e0d\u5efa\u8bae\u7acb\u523b\u5220\u9664 TXT\u3002\u90e8\u5206 CA \u6216\u4e2d\u95f4\u6d41\u7a0b\u53ef\u80fd\u518d\u6b21\u67e5\u8be2\u6311\u6218\u503c&#xff0c;\u7acb\u5373\u6e05\u7406\u4f1a\u5236\u9020\u5076\u53d1\u5931\u8d25\u3002<\/p>\n<p>\u53ef\u4ee5\u5c06\u6e05\u7406\u4efb\u52a1\u5355\u72ec\u5165\u961f&#xff1a;<\/p>\n<p>cleanup_at &#061; validation_success_at &#043; cleanup_delay <\/p>\n<p>\u6e05\u7406\u5931\u8d25\u4e0d\u5e94\u8ba9\u5df2\u7ecf\u7b7e\u53d1\u7684\u8bc1\u4e66\u5931\u6548&#xff0c;\u4f46\u5fc5\u987b\u8fdb\u5165\u544a\u8b66\u6216\u8865\u507f\u961f\u5217&#xff0c;\u9632\u6b62\u6311\u6218\u8bb0\u5f55\u957f\u671f\u5806\u79ef\u3002<\/p>\n<h3>\u4e03\u3001\u7b7e\u53d1\u540e\u8fd8\u9700\u8981\u4e09\u5c42\u9a8c\u6536<\/h3>\n<p>\u201c\u8bc1\u4e66\u7b7e\u51fa\u6765\u4e86\u201d\u53ea\u662f\u7b2c\u4e00\u5c42\u6210\u529f\u3002\u5b8c\u6574\u9a8c\u6536\u5e94\u5206\u4e3a&#xff1a;<\/p>\n<li>CA \u5c42&#xff1a;\u68c0\u67e5 Subject\u3001Issuer\u3001SAN\u3001NotBefore \u548c NotAfter&#xff1b;<\/li>\n<li>\u90e8\u7f72\u5c42&#xff1a;\u786e\u8ba4\u670d\u52a1\u5668\u6587\u4ef6\u6216\u4e91\u8d44\u6e90\u4e2d\u7684\u8bc1\u4e66\u5df2\u7ecf\u66ff\u6362&#xff1b;<\/li>\n<li>\u516c\u7f51\u5c42&#xff1a;\u901a\u8fc7 TLS \u63e1\u624b\u8bfb\u53d6\u7ebf\u4e0a\u5b9e\u9645\u8bc1\u4e66&#xff0c;\u6838\u5bf9\u6307\u7eb9\u548c\u6709\u6548\u671f\u3002<\/li>\n<p>\u5982\u679c\u53ea\u770b\u5230 Agent \u8fd4\u56de\u201c\u6587\u4ef6\u5199\u5165\u6210\u529f\u201d&#xff0c;\u4e0d\u80fd\u5ba3\u79f0\u7f51\u7ad9\u5df2\u7ecf\u4f7f\u7528\u65b0\u8bc1\u4e66\u3002Nginx \u672a\u91cd\u8f7d\u3001CDN \u672a\u7ed1\u5b9a\u6216\u8d1f\u8f7d\u5747\u8861\u4ecd\u5f15\u7528\u65e7\u8bc1\u4e66\u65f6&#xff0c;\u516c\u7f51\u4ecd\u4f1a\u8fd4\u56de\u65e7\u8bc1\u4e66\u3002<\/p>\n<h3>\u516b\u3001\u79c1\u94a5\u4e0e\u90e8\u7f72\u6743\u9650\u8fb9\u754c<\/h3>\n<p>\u8bc1\u4e66\u81ea\u52a8\u5316\u7cfb\u7edf\u901a\u5e38\u6709\u4e24\u79cd\u79c1\u94a5\u6a21\u5f0f&#xff1a;<\/p>\n<ul>\n<li>\u5e73\u53f0\u6258\u7ba1&#xff1a;\u5e73\u53f0\u751f\u6210\u79c1\u94a5\u5e76\u52a0\u5bc6\u4fdd\u5b58&#xff0c;\u518d\u5411\u90e8\u7f72\u76ee\u6807\u5206\u53d1&#xff1b;<\/li>\n<li>\u670d\u52a1\u5668\u672c\u5730\u751f\u6210&#xff1a;Agent \u5728\u76ee\u6807\u670d\u52a1\u5668\u751f\u6210\u79c1\u94a5&#xff0c;\u5e73\u53f0\u53ea\u534f\u8c03\u8ba2\u5355\u548c\u8bc1\u4e66\u94fe\u3002<\/li>\n<\/ul>\n<p>\u5982\u679c\u5b89\u5168\u8981\u6c42\u662f\u201c\u79c1\u94a5\u4e0d\u79bb\u5f00\u670d\u52a1\u5668\u201d&#xff0c;\u5c31\u5fc5\u987b\u91c7\u7528\u672c\u5730\u751f\u6210\u6a21\u5f0f&#xff0c;\u5e76\u786e\u4fdd Agent \u63a5\u53e3\u4e0d\u80fd\u6267\u884c\u4efb\u610f\u547d\u4ee4\u3002\u8bc1\u4e66\u66ff\u6362\u4f7f\u7528\u540c\u76ee\u5f55\u4e34\u65f6\u6587\u4ef6\u52a0\u539f\u5b50 rename&#xff0c;\u79c1\u94a5\u6743\u9650\u5efa\u8bae\u8bbe\u4e3a 0600\u3002<\/p>\n<h3>\u4e5d\u3001\u4e00\u4e2a\u53ef\u590d\u7528\u7684\u843d\u5730\u6e05\u5355<\/h3>\n<ul>\n<li>\u9a8c\u8bc1\u57df\u540d\u4e0e\u4e1a\u52a1 DNS \u533a\u57df\u5206\u79bb&#xff1b;<\/li>\n<li>DNS Provider \u51ed\u636e\u9075\u5faa\u6700\u5c0f\u6743\u9650&#xff1b;<\/li>\n<li>AddTXT\/DeleteTXT \u4e0d\u8986\u76d6\u5176\u4ed6\u503c&#xff1b;<\/li>\n<li>\u6743\u5a01 DNS \u548c\u9012\u5f52 DNS 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