{"id":799,"date":"2025-07-27T10:00:32","date_gmt":"2025-07-27T02:00:32","guid":{"rendered":"https:\/\/www.vcidc.net\/blog\/?p=799"},"modified":"2025-07-27T10:00:32","modified_gmt":"2025-07-27T02:00:32","slug":"cname%e5%8c%85%e5%90%ab%e5%93%aa%e4%ba%9b%e4%bf%a1%e6%81%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.vcidc.net\/blog\/799.html","title":{"rendered":"CNAME\u5305\u542b\u54ea\u4e9b\u4fe1\u606f\uff1f"},"content":{"rendered":"

CNAME\u662f\u4ec0\u4e48\uff1f<\/h3>\n<\/p>\n

\"CNAME\u5305\u542b\u54ea\u4e9b\u4fe1\u606f\uff1f\"<\/p>\n

CNAME\uff08Canonical Name\uff09\u662f\u4e00\u79cdDNS\u8bb0\u5f55\uff0c\u7528\u4e8e\u5c06\u4e00\u4e2a\u57df\u540d\u6620\u5c04\u5230\u53e6\u4e00\u4e2a\u57df\u540d\u3002\u7b80\u5355\u6765\u8bf4\uff0cCNAME\u53ef\u4ee5\u8ba9\u4f60\u7684\u57df\u540d\u6307\u5411\u53e6\u4e00\u4e2a\u57df\u540d\u7684IP\u5730\u5740\uff0c\u800c\u65e0\u9700\u76f4\u63a5\u4fee\u6539IP\u5730\u5740\u3002\u8fd9\u6837\uff0c\u5f53\u4f60\u9700\u8981\u66f4\u6362\u670d\u52a1\u5668\u6216VPS\u65f6\uff0c\u53ea\u9700\u66f4\u6539\u76ee\u6807\u57df\u540d\u7684CNAME\u8bb0\u5f55\uff0c\u5373\u53ef\u5b9e\u73b0\u57df\u540d\u7684\u8fc1\u79fb\uff0c\u65e0\u9700\u4fee\u6539\u6e90\u57df\u540d\u7684DNS\u8bb0\u5f55\u3002<\/p>\n<\/p>\n

CNAME\u5305\u542b\u54ea\u4e9b\u4fe1\u606f\uff1f<\/h3>\n<\/p>\n

CNAME\u8bb0\u5f55\u4e3b\u8981\u7531\u4e24\u90e8\u5206\u7ec4\u6210\uff1a\u8bb0\u5f55\u7c7b\u578b\u548c\u8bb0\u5f55\u503c\u3002\u8bb0\u5f55\u7c7b\u578b\u662fCNAME\uff0c\u8bb0\u5f55\u503c\u5219\u662f\u76ee\u6807\u57df\u540d\u7684\u57df\u540d\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u8981\u5c06\u57df\u540d “www.example.com” \u6307\u5411 “example.com”\uff0c\u5219CNAME\u8bb0\u5f55\u4e3a\uff1a<\/p>\n<\/p>\n

www.example.com. 300 IN CNAME example.com.<\/p>\r\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u91cc\uff0c”www.example.com” \u662f\u6e90\u57df\u540d\uff0c”example.com” \u662f\u76ee\u6807\u57df\u540d\uff0c”300″ \u662f\u8bb0\u5f55\u7684TTL\uff08\u751f\u5b58\u65f6\u95f4\uff09\uff0c\u8868\u793a\u8be5\u8bb0\u5f55\u5728DNS\u670d\u52a1\u5668\u4e2d\u7684\u7f13\u5b58\u65f6\u95f4\u3002<\/p>\n<\/p>\n
\u5982\u4f55\u8bbe\u7f6eCNAME\u8bb0\u5f55\uff1f<\/h3>\n<\/p>\n
\u8bbe\u7f6eCNAME\u8bb0\u5f55\u901a\u5e38\u5728\u57df\u540d\u6ce8\u518c\u5546\u63d0\u4f9b\u7684DNS\u7ba1\u7406\u754c\u9762\u8fdb\u884c\u3002\u4ee5\u4e0b\u662f\u8bbe\u7f6eCNAME\u8bb0\u5f55\u7684\u4e00\u822c\u6b65\u9aa4\uff1a<\/p>\n<\/p>\n
    \n
  1. \u767b\u5f55\u5230\u4f60\u7684\u57df\u540d\u6ce8\u518c\u5546\u8d26\u6237\u3002<\/li>\n
  2. \u8fdb\u5165DNS\u7ba1\u7406\u754c\u9762\u3002<\/li>\n
  3. \u627e\u5230\u9700\u8981\u8bbe\u7f6eCNAME\u8bb0\u5f55\u7684\u57df\u540d\u3002<\/li>\n
  4. \u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684DNS\u8bb0\u5f55\uff0c\u9009\u62e9\u8bb0\u5f55\u7c7b\u578b\u4e3aCNAME\u3002<\/li>\n
  5. \u8f93\u5165\u6e90\u57df\u540d\u548c\u76ee\u6807\u57df\u540d\u7684\u57df\u540d\u3002<\/li>\n
  6. \u4fdd\u5b58\u8bbe\u7f6e\u3002<\/li>\n<\/ol>\n
    \u63a8\u8350\u4f7f\u7528CNAME\u7684\u539f\u56e0\uff1f<\/h3>\n<\/p>\n
    \u4f7f\u7528CNAME\u6709\u4ee5\u4e0b\u51e0\u4e2a\u4f18\u70b9\uff1a<\/p>\n<\/p>\n
      \n
    1. \u7b80\u5316\u57df\u540d\u7ba1\u7406\uff1a\u65e0\u9700\u76f4\u63a5\u4fee\u6539IP\u5730\u5740\uff0c\u53ea\u9700\u66f4\u6539\u76ee\u6807\u57df\u540d\u7684CNAME\u8bb0\u5f55\u3002<\/li>\n
    2. \u63d0\u9ad8\u57df\u540d\u8fc1\u79fb\u6548\u7387\uff1a\u5feb\u901f\u8fc1\u79fb\u57df\u540d\u5230\u65b0\u670d\u52a1\u5668\u6216VPS\u3002<\/li>\n
    3. \u907f\u514dDNS\u8bb0\u5f55\u9519\u8bef\uff1a\u51cf\u5c11\u56e0\u624b\u52a8\u4fee\u6539DNS\u8bb0\u5f55\u800c\u5bfc\u81f4\u7684\u9519\u8bef\u3002<\/li>\n<\/ol>\n
      \u5e38\u89c1\u95ee\u9898\u89e3\u7b54<\/h3>\n<\/p>\n
      \u95ee\u98981\uff1aCNAME\u8bb0\u5f55\u662f\u5426\u53ef\u4ee5\u6307\u5411\u540c\u4e00\u57df\u540d\uff1f<\/b><\/p>\n
      \u53ef\u4ee5\u7684\u3002CNAME\u8bb0\u5f55\u53ef\u4ee5\u6307\u5411\u540c\u4e00\u57df\u540d\uff0c\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
      www.example.com. 300 IN CNAME example.com.<\/p>\r\n
      example.com. 300 IN CNAME example.com.<\/p>\r\n
      <\/code><\/pre>\n<\/p>\n
      \u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u57df\u540d “www.example.com” \u548c “example.com” \u4f1a\u89e3\u6790\u5230\u540c\u4e00IP\u5730\u5740\u3002<\/p>\n<\/p>\n
      \u95ee\u98982\uff1aCNAME\u8bb0\u5f55\u7684TTL\u503c\u6709\u4ec0\u4e48\u4f5c\u7528\uff1f<\/b><\/p>\n
      CNAME\u8bb0\u5f55\u7684TTL\u503c\u8868\u793a\u8be5\u8bb0\u5f55\u5728DNS\u670d\u52a1\u5668\u4e2d\u7684\u7f13\u5b58\u65f6\u95f4\u3002TTL\u503c\u8d8a\u5927\uff0cDNS\u670d\u52a1\u5668\u7f13\u5b58\u8be5\u8bb0\u5f55\u7684\u65f6\u95f4\u8d8a\u957f\uff0c\u89e3\u6790\u901f\u5ea6\u8d8a\u5feb\u3002\u4f46\u8fc7\u957f\u7684TTL\u503c\u53ef\u80fd\u5bfc\u81f4DNS\u66f4\u65b0\u4e0d\u53ca\u65f6\uff0c\u56e0\u6b64\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684TTL\u503c\u3002<\/p>\n<\/p>\n
      \u95ee\u98983\uff1aCNAME\u8bb0\u5f55\u662f\u5426\u652f\u6301\u5b50\u57df\u540d\uff1f<\/b><\/p>\n
      \u662f\u7684\uff0cCNAME\u8bb0\u5f55\u652f\u6301\u5b50\u57df\u540d\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u60f3\u5c06 “blog.example.com” \u6307\u5411 “example.com”\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4ee5\u4e0bCNAME\u8bb0\u5f55\uff1a<\/p>\n<\/p>\n
      blog.example.com. 300 IN CNAME example.com.<\/p>\r\n
      <\/code><\/pre><\/p>\n","protected":false},"excerpt":{"rendered":"
      CNAME\u662f\u4ec0\u4e48\uff1f CNAME\uff08Canonical Name\uff09\u662f\u4e00\u79cdDNS\u8bb0\u5f55\uff0c\u7528\u4e8e\u5c06\u4e00\u4e2a\u57df\u540d\u6620\u5c04\u5230\u53e6\u4e00\u4e2a\u57df\u540d\u3002\u7b80\u5355\u6765\u8bf4\uff0cCNAME\u53ef\u4ee5\u8ba9\u4f60\u7684\u57df\u540d\u6307\u5411\u53e6\u4e00\u4e2a\u57df\u540d\u7684IP\u5730\u5740\uff0c\u800c\u65e0\u9700\u76f4\u63a5\u4fee\u6539IP\u5730\u5740\u3002\u8fd9\u6837\uff0c\u5f53\u4f60\u9700\u8981\u66f4\u6362\u670d\u52a1\u5668\u6216VPS\u65f6\uff0c\u53ea\u9700\u66f4\u6539…<\/p>\n","protected":false},"author":1,"featured_media":800,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[325,37,31],"topic":[],"class_list":["post-799","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-usa-server","tag-cname","tag-37","tag-31"],"_links":{"self":[{"href":"https:\/\/www.vcidc.net\/blog\/wp-json\/wp\/v2\/posts\/799","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vcidc.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vcidc.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vcidc.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vcidc.net\/blog\/wp-json\/wp\/v2\/comments?post=799"}],"version-history":[{"count":1,"href":"https:\/\/www.vcidc.net\/blog\/wp-json\/wp\/v2\/posts\/799\/revisions"}],"predecessor-version":[{"id":802,"href":"https:\/\/www.vcidc.net\/blog\/wp-json\/wp\/v2\/posts\/799\/revisions\/802"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.vcidc.net\/blog\/wp-json\/wp\/v2\/media\/800"}],"wp:attachment":[{"href":"https:\/\/www.vcidc.net\/blog\/wp-json\/wp\/v2\/media?parent=799"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vcidc.net\/blog\/wp-json\/wp\/v2\/categories?post=799"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vcidc.net\/blog\/wp-json\/wp\/v2\/tags?post=799"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.vcidc.net\/blog\/wp-json\/wp\/v2\/topic?post=799"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}