{"id":232,"date":"2024-01-10T11:37:16","date_gmt":"2024-01-10T03:37:16","guid":{"rendered":"https:\/\/www.lightnode.cn\/knowledge\/?p=232"},"modified":"2025-07-22T14:47:33","modified_gmt":"2025-07-22T06:47:33","slug":"dns%e7%bc%93%e5%ad%98%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f%e5%a6%82%e4%bd%95%e6%b8%85%e9%99%a4vps%e5%92%8c%e6%b5%8f%e8%a7%88%e5%99%a8%e7%9a%84dns%e7%bc%93%e5%ad%98","status":"publish","type":"post","link":"https:\/\/www.ygcloud.com\/knowledge\/232\/","title":{"rendered":"DNS\u7f13\u5b58\u662f\u4ec0\u4e48\uff1f\u5982\u4f55\u6e05\u9664VPS\u548c\u6d4f\u89c8\u5668\u7684DNS\u7f13\u5b58"},"content":{"rendered":"<h2>DNS\u662f\u4ec0\u4e48\uff1f<\/h2>\n<p>DNS\uff08\u57df\u540d\u7cfb\u7edf\uff0cDomain Name System\uff09\u662f\u4e92\u8054\u7f51\u4e0a\u7684\u4e00\u9879\u5173\u952e\u670d\u52a1\uff0c\u5b83\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u5c06\u4eba\u7c7b\u53ef\u8bfb\u7684\u57df\u540d\uff08\u5982<code>www.example.com<\/code>\uff09\u8f6c\u6362\u4e3a\u673a\u5668\u53ef\u8bfb\u7684IP\u5730\u5740\uff08\u5982 <code>192.0.2.1<\/code>\uff09\u3002\u8fd9\u4e00\u8fc7\u7a0b\u7c7b\u4f3c\u4e8e\u7535\u8bdd\u7c3f\uff0c\u5c06\u4eba\u4eec\u6613\u4e8e\u8bb0\u5fc6\u7684\u540d\u5b57\u8f6c\u6362\u4e3a\u6570\u5b57\u5730\u5740\u3002DNS\u7684\u5f15\u5165\u4f7f\u5f97\u4eba\u4eec\u5728\u8bbf\u95ee\u7f51\u7ad9\u65f6\u65e0\u9700\u8bb0\u4f4f\u590d\u6742\u7684\u6570\u5b57\u5e8f\u5217\uff0c\u800c\u53ea\u9700\u8bb0\u4f4f\u7b80\u5355\u7684\u57df\u540d\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-235\" src=\"https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2024\/01\/d3d9446802a4425.png\" alt=\"\" width=\"500\" height=\"490\" srcset=\"https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2024\/01\/d3d9446802a4425.png 790w, https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2024\/01\/d3d9446802a4425-300x294.png 300w, https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2024\/01\/d3d9446802a4425-768x752.png 768w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<h2>DNS\u7f13\u5b58\u662f\u4ec0\u4e48\uff1f<\/h2>\n<p>DNS\u7f13\u5b58\uff08Domain Name System Cache\uff09\u662f\u4e00\u79cd\u6280\u672f\uff0c\u7528\u4e8e\u5728\u8ba1\u7b97\u673a\u6216\u7f51\u7edc\u4e2d\u4e34\u65f6\u5b58\u50a8DNS\u67e5\u8be2\u7ed3\u679c\u3002\u5176\u76ee\u7684\u662f\u52a0\u5febDNS\u67e5\u8be2\u7684\u901f\u5ea6\uff0c\u51cf\u5c11\u5bf9DNS\u670d\u52a1\u5668\u7684\u8bf7\u6c42\u6b21\u6570\u3002\u5f53\u4f60\u8bbf\u95ee\u4e00\u4e2a\u7f51\u7ad9\u65f6\uff0c\u4f60\u7684\u8bbe\u5907\u4f1a\u8be2\u95eeDNS\u670d\u52a1\u5668\u5982\u4f55\u5c06\u8be5\u7f51\u7ad9\u7684\u57df\u540d\uff08\u4f8b\u5982 <code>www.example.com<\/code>\uff09\u8f6c\u6362\u4e3aIP\u5730\u5740\u3002\u4e00\u65e6\u8fd9\u4e2a\u57df\u540d\u88ab\u89e3\u6790\uff0c\u7ed3\u679c\u5c31\u4f1a\u5728DNS\u7f13\u5b58\u4e2d\u5b58\u50a8\u4e00\u6bb5\u65f6\u95f4\u3002\u8fd9\u6837\uff0c\u5f53\u4f60\u518d\u6b21\u8bbf\u95ee\u540c\u4e00\u4e2a\u7f51\u7ad9\u65f6\uff0c\u4f60\u7684\u8bbe\u5907\u53ef\u4ee5\u76f4\u63a5\u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6IP\u5730\u5740\uff0c\u800c\u4e0d\u5fc5\u518d\u6b21\u8be2\u95eeDNS\u670d\u52a1\u5668\u3002<\/p>\n<p>DNS\u7f13\u5b58\u5b58\u5728\u4e8e\u591a\u4e2a\u5c42\u7ea7\uff0c\u5305\u62ec\uff1a<\/p>\n<ol>\n<li><strong>\u6d4f\u89c8\u5668DNS\u7f13\u5b58<\/strong>\uff1a\u5927\u591a\u6570\u7f51\u7edc\u6d4f\u89c8\u5668\u90fd\u6709\u81ea\u5df1\u7684DNS\u7f13\u5b58\u3002\u4f8b\u5982\uff0c\u5f53\u4f60\u9996\u6b21\u8bbf\u95ee\u67d0\u4e2a\u7f51\u7ad9\u65f6\uff0c\u6d4f\u89c8\u5668\u4f1a\u5c06\u8fd9\u4e2a\u7f51\u7ad9\u7684DNS\u4fe1\u606f\u5b58\u50a8\u5728\u672c\u5730\uff0c\u4ee5\u4fbf\u4e0b\u6b21\u8bbf\u95ee\u65f6\u5feb\u901f\u52a0\u8f7d\u3002<\/li>\n<li><strong>\u64cd\u4f5c\u7cfb\u7edfDNS\u7f13\u5b58<\/strong>\uff1a\u64cd\u4f5c\u7cfb\u7edf\uff08\u5982Windows\u3001macOS\u3001Linux\uff09\u4e5f\u4f1a\u7ef4\u62a4\u81ea\u5df1\u7684DNS\u7f13\u5b58\u3002\u8fd9\u610f\u5473\u7740\u5373\u4f7f\u4f60\u5173\u95ed\u4e86\u6d4f\u89c8\u5668\uff0cDNS\u67e5\u8be2\u7ed3\u679c\u4f9d\u7136\u53ef\u4ee5\u88ab\u7cfb\u7edf\u7f13\u5b58\u3002<\/li>\n<li><strong>\u8def\u7531\u5668DNS\u7f13\u5b58<\/strong>\uff1a\u5f88\u591a\u5bb6\u7528\u548c\u4f01\u4e1a\u8def\u7531\u5668\u4e5f\u4f1a\u8fdb\u884cDNS\u7f13\u5b58\uff0c\u4ee5\u51cf\u5c11\u7f51\u7edc\u5ef6\u8fdf\u548c\u63d0\u9ad8\u7f51\u7edc\u901f\u5ea6\u3002<\/li>\n<li><strong>ISP DNS\u670d\u52a1\u5668<\/strong>\uff1a\u4e92\u8054\u7f51\u670d\u52a1\u63d0\u4f9b\u5546\uff08ISP\uff09\u7684DNS\u670d\u52a1\u5668\u901a\u5e38\u4e5f\u4f1a\u7f13\u5b58DNS\u67e5\u8be2\u7ed3\u679c\uff0c\u4e3a\u540c\u4e00\u5730\u533a\u7684\u591a\u4e2a\u7528\u6237\u670d\u52a1\u3002<\/li>\n<\/ol>\n<p>DNS\u7f13\u5b58\u867d\u7136\u63d0\u9ad8\u4e86\u7f51\u7edc\u6548\u7387\uff0c\u4f46\u4e5f\u6709\u5176\u7f3a\u70b9\u3002\u4f8b\u5982\uff0c\u5982\u679c\u7f51\u7ad9\u7684IP\u5730\u5740\u66f4\u6539\u4e86\uff0c\u800c\u4f60\u7684DNS\u7f13\u5b58\u4e2d\u8fd8\u4fdd\u7559\u7740\u65e7\u7684IP\u5730\u5740\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u65e0\u6cd5\u8bbf\u95ee\u8be5\u7f51\u7ad9\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u901a\u5e38\u9700\u8981\u6e05\u9664DNS\u7f13\u5b58\u6765\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-236\" src=\"https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2024\/01\/c20ad4d76fe9775.png\" alt=\"\" width=\"500\" height=\"500\" srcset=\"https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2024\/01\/c20ad4d76fe9775.png 786w, https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2024\/01\/c20ad4d76fe9775-300x300.png 300w, https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2024\/01\/c20ad4d76fe9775-150x150.png 150w, https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2024\/01\/c20ad4d76fe9775-768x768.png 768w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<h2>\u5982\u4f55\u6e05\u9664\u5404\u7c7b\u7cfb\u7edf\u7684DNS\u7f13\u5b58\uff1f<\/h2>\n<p>\u6e05\u9664\u5404\u79cd\u64cd\u4f5c\u7cfb\u7edf\u548c\u6d4f\u89c8\u5668\u7684DNS\u7f13\u5b58\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<h3>Windows\u64cd\u4f5c\u7cfb\u7edf<\/h3>\n<ol>\n<li>\u6253\u5f00\u201c\u547d\u4ee4\u63d0\u793a\u7b26\u201d\uff08\u53ef\u4ee5\u5728\u5f00\u59cb\u83dc\u5355\u4e2d\u641c\u7d22`cmd`\u6216`\u547d\u4ee4\u63d0\u793a\u7b26`\uff09\u3002<\/li>\n<li>\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u5e76\u6309\u56de\u8f66\u952e\uff1a<\/li>\n<\/ol>\n<pre>ipconfig \/flushdns<\/pre>\n<p>\u8fd9\u5c06\u6e05\u9664Windows\u7684DNS\u7f13\u5b58\u3002<\/p>\n<h3>macOS\u7cfb\u7edf<\/h3>\n<ol>\n<li>\u6253\u5f00\u201c\u7ec8\u7aef\u201d\uff08\u53ef\u4ee5\u5728Finder\u7684\u201c\u5e94\u7528\u7a0b\u5e8f\u201d\u4e0b\u7684\u201c\u5b9e\u7528\u5de5\u5177\u201d\u6587\u4ef6\u5939\u4e2d\u627e\u5230\uff09\u3002<\/li>\n<li>\u6839\u636e\u4f60\u7684macOS\u7248\u672c\uff0c\u8f93\u5165\u76f8\u5e94\u7684\u547d\u4ee4\u3002\u5bf9\u4e8e\u8f83\u65b0\u7684\u7248\u672c\uff08macOS 10.10.4\u53ca\u4ee5\u4e0a\uff09\uff0c\u901a\u5e38\u662f\uff1a<\/li>\n<\/ol>\n<pre>sudo killall -HUP mDNSResponder<\/pre>\n<p>\u7136\u540e\u8f93\u5165\u4f60\u7684\u7ba1\u7406\u5458\u5bc6\u7801\u3002<\/p>\n<pre>Linux\u7cfb\u7edf<\/pre>\n<p>Linux\u7684DNS\u7f13\u5b58\u901a\u5e38\u7531\u7f51\u7edc\u670d\u52a1\u7ba1\u7406\u3002\u4e0d\u540c\u7684Linux\u53d1\u884c\u7248\u53ef\u80fd\u4f7f\u7528\u4e0d\u540c\u7684\u670d\u52a1\uff0c\u4f8b\u5982`nscd`\u3001`dnsmasq`\u6216`systemd-resolved`\u3002<\/p>\n<ol>\n<li>\u6253\u5f00\u7ec8\u7aef\u3002<\/li>\n<li>\u5bf9\u4e8e\u4f7f\u7528`nscd`\u7684\u7cfb\u7edf\uff0c\u8f93\u5165\uff1a<\/li>\n<\/ol>\n<pre>sudo \/etc\/init.d\/nscd restart<\/pre>\n<p>\u5bf9\u4e8e\u4f7f\u7528`systemd-resolved`\u7684\u7cfb\u7edf\uff0c\u8f93\u5165\uff1a<\/p>\n<pre>sudo systemctl restart systemd-resolved<\/pre>\n<h3>Chrome\u6d4f\u89c8\u5668<\/h3>\n<ol>\n<li>\u5728Chrome\u5730\u5740\u680f\u4e2d\u8f93\u5165`chrome:\/\/net-internals\/#dns`\u5e76\u6309\u56de\u8f66\u952e\u3002<\/li>\n<li>\u70b9\u51fb\u201c\u6e05\u7a7a\u4e3b\u673a\u7f13\u5b58\u201d\u6309\u94ae\u3002<\/li>\n<\/ol>\n<h3>Firefox\u6d4f\u89c8\u5668<\/h3>\n<ol>\n<li>\u5728\u5730\u5740\u680f\u8f93\u5165`about:config`\u5e76\u6309\u56de\u8f66\u952e\u3002<\/li>\n<li>\u5728\u51fa\u73b0\u7684\u9875\u9762\u4e0a\u641c\u7d22`network.dnsCacheExpiration`\u3002<\/li>\n<li>\u53cc\u51fb\u8be5\u8bbe\u7f6e\uff0c\u5c06\u5176\u503c\u66f4\u6539\u4e3a0\uff0c\u7136\u540e\u518d\u6b21\u66f4\u6539\u56de\u5176\u539f\u59cb\u503c\uff08\u901a\u5e38\u662f60\uff09\u3002<\/li>\n<\/ol>\n<h3>Safari\u6d4f\u89c8\u5668<\/h3>\n<p>Safari\u6ca1\u6709\u5185\u7f6e\u7684\u65b9\u6cd5\u6765\u6e05\u9664DNS\u7f13\u5b58\uff0c\u56e0\u6b64\u4f60\u9700\u8981\u901a\u8fc7\u6e05\u9664\u64cd\u4f5c\u7cfb\u7edf\u7ea7\u7684DNS\u7f13\u5b58\u6765\u5b9e\u73b0\u3002<\/p>\n<p><strong>\u6ce8\u610f<\/strong><\/p>\n<p>&#8211; \u6e05\u9664DNS\u7f13\u5b58\u53ef\u80fd\u4f1a\u5bfc\u81f4\u77ed\u6682\u7684\u7f51\u7edc\u8fde\u63a5\u4e2d\u65ad\u3002<br \/>\n&#8211; \u5728\u6e05\u9664DNS\u7f13\u5b58\u540e\uff0c\u7b2c\u4e00\u6b21\u52a0\u8f7d\u7f51\u7ad9\u53ef\u80fd\u4f1a\u6bd4\u5e73\u5e38\u6162\u4e00\u4e9b\uff0c\u56e0\u4e3aDNS\u67e5\u8be2\u9700\u8981\u91cd\u65b0\u8fdb\u884c\u3002<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DNS\u662f\u4ec0\u4e48\uff1f DNS\uff08\u57df\u540d\u7cfb\u7edf\uff0cDomain Name System\uff09\u662f\u4e92\u8054\u7f51\u4e0a\u7684\u4e00\u9879\u5173\u952e\u670d\u52a1\uff0c\u5b83\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u5c06\u4eba\u7c7b\u53ef\u8bfb\u7684\u57df\u540d\uff08\u5982www.example.com\uff09\u8f6c\u6362\u4e3a\u673a\u5668\u53ef\u8bfb\u7684IP\u5730\u5740\uff08\u5982 192.0.2.1\uff09\u3002\u8fd9\u4e00\u8fc7\u7a0b\u7c7b\u4f3c\u4e8e\u7535\u8bdd\u7c3f\uff0c\u5c06&#8230;<\/p>\n","protected":false},"author":1,"featured_media":236,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[42],"topic":[],"class_list":["post-232","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-security","tag-42"],"_links":{"self":[{"href":"https:\/\/www.ygcloud.com\/knowledge\/wp-json\/wp\/v2\/posts\/232","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=232"}],"version-history":[{"count":7,"href":"https:\/\/www.ygcloud.com\/knowledge\/wp-json\/wp\/v2\/posts\/232\/revisions"}],"predecessor-version":[{"id":1110,"href":"https:\/\/www.ygcloud.com\/knowledge\/wp-json\/wp\/v2\/posts\/232\/revisions\/1110"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ygcloud.com\/knowledge\/wp-json\/wp\/v2\/media\/236"}],"wp:attachment":[{"href":"https:\/\/www.ygcloud.com\/knowledge\/wp-json\/wp\/v2\/media?parent=232"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ygcloud.com\/knowledge\/wp-json\/wp\/v2\/categories?post=232"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ygcloud.com\/knowledge\/wp-json\/wp\/v2\/tags?post=232"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.ygcloud.com\/knowledge\/wp-json\/wp\/v2\/topic?post=232"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}