A\u8bb0\u5f55\u662f\u57df\u540d\u5230ip\u7684\u6620\u5c04\uff0c\u5373\u4e3aip\u8d77\u522b\u540d\uff1bCNAME\u662f\u57df\u540d\u522b\u540d\u5230\u57df\u540d\u7684\u6620\u5c04\uff0c\u5373\u4e3a\u57df\u540d\u8d77\u522b\u540d\u3002<\/p>\n
\u8fd8\u6709\u4e00\u4e2a\u5e38\u7528\u7684\u8bb0\u5f55\u662fMX\u8bb0\u5f55\uff0c\u5b83\u662f\u4e0e\u90ae\u4ef6\u76f8\u5173\u7684\uff0cMX\u8bb0\u5f55\u8bb0\u5f55\u4e86\u53d1\u9001\u7535\u5b50\u90ae\u4ef6\u65f6\u57df\u540d\u5bf9\u5e94\u7684\u670d\u52a1\u5668\u5730\u5740\u3002<\/p>\n
\u539f\u6587\uff1ahttp:\/\/blog.xieyc.com\/differences-between-a-record-and-cname-record\/<\/p>\n
1\u3001\u4ec0\u4e48\u662f\u57df\u540d\u89e3\u6790\uff1f
\n\u57df\u540d\u89e3\u6790\u5c31\u662f\u56fd\u9645\u57df\u540d\u6216\u8005\u56fd\u5185\u57df\u540d\u4ee5\u53ca\u4e2d\u6587\u57df\u540d\u7b49\u57df\u540d\u7533\u8bf7\u540e\u505a\u7684\u5230IP\u5730\u5740\u7684\u8f6c\u6362\u8fc7\u7a0b\u3002IP\u5730\u5740\u662f\u7f51\u8def\u4e0a\u6807\u8bc6\u60a8\u7ad9\u70b9\u7684\u6570\u5b57\u5730\u5740\uff0c\u4e3a\u4e86\u7b80\u5355\u597d\u8bb0\uff0c\u91c7\u7528\u57df\u540d\u6765\u4ee3\u66ffip\u5730\u5740\u6807\u8bc6\u7ad9\u70b9\u5730\u5740\u3002\u57df\u540d\u7684\u89e3\u6790\u5de5\u4f5c\u7531DNS\u670d\u52a1\u5668\u5b8c\u6210\u3002<\/p>\n
2\u3001\u4ec0\u4e48\u662fA\u8bb0\u5f55\uff1f
\nA (Address) \u8bb0\u5f55\u662f\u7528\u6765\u6307\u5b9a\u4e3b\u673a\u540d\uff08\u6216\u57df\u540d\uff09\u5bf9\u5e94\u7684IP\u5730\u5740\u8bb0\u5f55\u3002\u7528\u6237\u53ef\u4ee5\u5c06\u8be5\u57df\u540d\u4e0b\u7684\u7f51\u7ad9\u670d\u52a1\u5668\u6307\u5411\u5230\u81ea\u5df1\u7684web server\u4e0a\u3002\u540c\u65f6\u4e5f\u53ef\u4ee5\u8bbe\u7f6e\u60a8\u57df\u540d\u7684\u4e8c\u7ea7\u57df\u540d\u3002<\/p>\n
3\u3001\u4ec0\u4e48\u662fCNAME\u8bb0\u5f55\uff1f
\n\u5373\uff1a\u522b\u540d\u8bb0\u5f55\u3002\u8fd9\u79cd\u8bb0\u5f55\u5141\u8bb8\u60a8\u5c06\u591a\u4e2a\u540d\u5b57\u6620\u5c04\u5230\u53e6\u5916\u4e00\u4e2a\u57df\u540d\u3002\u901a\u5e38\u7528\u4e8e\u540c\u65f6\u63d0\u4f9bWWW\u548cMAIL\u670d\u52a1\u7684\u8ba1\u7b97\u673a\u3002\u4f8b\u5982\uff0c\u6709\u4e00\u53f0\u8ba1\u7b97\u673a\u540d\u4e3a\u201chost.mydomain.com\u201d\uff08A\u8bb0\u5f55\uff09\u3002\u5b83\u540c\u65f6\u63d0\u4f9bWWW\u548cMAIL\u670d\u52a1\uff0c\u4e3a\u4e86\u4fbf\u4e8e\u7528\u6237\u8bbf\u95ee\u670d\u52a1\u3002\u53ef\u4ee5\u4e3a\u8be5\u8ba1\u7b97\u673a\u8bbe\u7f6e\u4e24\u4e2a\u522b\u540d\uff08CNAME\uff09\uff1aWWW\u548cMAIL\u3002\u8fd9\u4e24\u4e2a\u522b\u540d\u7684\u5168\u79f0\u5c31 http:\/\/www.mydomain.com\/\u548c\u201cmail.mydomain.com\u201d\u3002\u5b9e\u9645\u4e0a\u4ed6\u4eec\u90fd\u6307\u5411 \u201chost.mydomain.com\u201d\u3002<\/p>\n
4\u3001\u4f7f\u7528A\u8bb0\u5f55\u548cCNAME\u8fdb\u884c\u57df\u540d\u89e3\u6790\u7684\u533a\u522b
\nA\u8bb0\u5f55\u5c31\u662f\u628a\u4e00\u4e2a\u57df\u540d\u89e3\u6790\u5230\u4e00\u4e2aIP\u5730\u5740\uff08Address\uff0c\u7279\u5236\u6570\u5b57IP\u5730\u5740\uff09\uff0c\u800cCNAME\u8bb0\u5f55\u5c31\u662f\u628a\u57df\u540d\u89e3\u6790\u5230\u53e6\u5916\u4e00\u4e2a\u57df\u540d\u3002\u5176\u529f\u80fd\u662f\u5dee\u4e0d\u591a\uff0cCNAME\u5c06\u51e0\u4e2a\u4e3b\u673a\u540d\u6307\u5411\u4e00\u4e2a\u522b\u540d\uff0c\u5176\u5b9e\u8ddf\u6307\u5411IP\u5730\u5740\u662f\u4e00\u6837\u7684\uff0c\u56e0\u4e3a\u8fd9\u4e2a\u522b\u540d\u4e5f\u8981\u505a\u4e00\u4e2aA\u8bb0\u5f55\u7684\u3002\u4f46\u662f\u4f7f\u7528CNAME\u8bb0\u5f55\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u53d8\u66f4IP\u5730\u5740\u3002\u5982\u679c\u4e00\u53f0\u670d\u52a1\u5668\u6709100\u4e2a\u7f51\u7ad9\uff0c\u4ed6\u4eec\u90fd\u505a\u4e86\u522b\u540d\uff0c\u8be5\u53f0\u670d\u52a1\u5668\u53d8\u66f4IP\u65f6\uff0c\u53ea\u9700\u8981\u53d8\u66f4\u522b\u540d\u7684A\u8bb0\u5f55\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n
5\u3001\u4f7f\u7528A\u8bb0\u5f55\u548cCNAME\u54ea\u4e2a\u597d\uff1f
\n\u57df\u540d\u89e3\u6790CNAME\u8bb0\u5f55A\u8bb0\u5f55\u54ea\u4e00\u79cd\u6bd4\u8f83\u597d\uff1f\u5982\u679c\u8bba\u5bf9\u7f51\u7ad9\u7684\u5f71\u54cd\uff0c\u5c31\u6ca1\u6709\u591a\u5927\u533a\u522b\u3002\u4f46\u662f\uff1aCNAME\u6709\u4e00\u4e2a\u597d\u5904\u5c31\u662f\u7a33\u5b9a\uff0c\u5c31\u597d\u50cf\u4e00\u4e2aIP\u4e0e\u4e00\u4e2a\u57df\u540d\u7684\u533a\u522b\u3002\u670d\u52a1\u5546\u4ece\u65b9\u4fbf\u7ef4\u62a4\u7684\u89d2\u5ea6\uff0c\u4e00\u822c\u4e5f\u5efa\u8bae\u7528\u6237\u4f7f\u7528CNAME\u8bb0\u5f55\u7ed1\u5b9a\u57df\u540d\u7684\u3002\u5982\u679c\u4e3b\u673a\u4f7f\u7528\u4e86\u53cc\u7ebfIP\uff0c\u663e\u7136\u4f7f\u7528CNAME\u4e5f\u8981\u65b9\u4fbf\u4e00\u4e9b\u3002<\/p>\n
A\u8bb0\u5f55\u4e5f\u6709\u4e00\u4e9b\u597d\u5904\uff0c\u4f8b\u5982\u53ef\u4ee5\u5728\u8f93\u5165\u57df\u540d\u65f6\u4e0d\u7528\u8f93\u5165WWW.\u6765\u8bbf\u95ee\u7f51\u7ad9\u54e6\uff01\u4eceSEO\u4f18\u5316\u89d2\u5ea6\u6765\u770b\uff0c\u4e00\u4e9b\u641c\u7d22\u5f15\u64ce\u5982alex\u6216\u4e00\u4e9b\u641c\u7d22\u67e5\u8be2\u5de5\u5177\u7f51\u7ad9\u7b49\u7b49\u5219\u9ed8\u8ba4\u662f\u81ea\u52a8\u53bb\u6389WWW.\u6765\u8fa8\u522b\u7f51\u7ad9\uff0cCNAME\u8bb0\u5f55\u662f\u5fc5\u987b\u6709\u5982\uff1aWWW(\u522b\u540d)\u524d\u7f00\u7684\u57df\u540d\uff0c\u6709\u65f6\u5019\u4f1a\u9047\u5230\u8fd9\u6837\u7684\u9ebb\u70e6\uff0c\u524d\u7f00\u53bb\u6389\u4e86\u9ed8\u8ba4\u7f51\u7ad9\u65e0\u6cd5\u8bbf\u95ee\u3002<\/p>\n
\u6709\u4eba\u8ba4\u4e3a\uff0c\u5728SEO\u4f18\u5316\u7f51\u7ad9\u7684\u65f6\u5019\uff0c\u7531\u4e8e\u641c\u7d22\u5f15\u64ce\u627e\u4e0d\u5230\u53bb\u6389WWW.\u7684\u57df\u540d\u65f6\uff0c\u5bf9\u7f51\u7ad9\u6743\u91cd\u4e5f\u4f1a\u6709\u4e9b\u5f71\u54cd\u3002\u56e0\u4e3a\u6709\u4e9b\u7f51\u6c11\u5ba2\u6237\u4e5f\u662f\u4e0d\u559c\u6b22\u591a\u5199\u4e09\u4e2aW\u6765\u8bbf\u95ee\u7f51\u7ad9\u7684\uff0c\u7f51\u7ad9\u65e0\u6cd5\u8bbf\u95ee\u6709\u5c11\u91cf\u7f51\u6c11\u5ba2\u6237\u4f1a\u653e\u5f03\u7ee7\u7eed\u5c1d\u8bd5\u52a0WWW.\u8bbf\u95ee\u57df\u540d\u4e86\uff0c\u56e0\u6b64\u7f51\u7ad9\u8bbf\u95ee\u6d4f\u89c8\u91cf\u4e5f\u4f1a\u51cf\u5c11\u4e00\u4e9b\u3002<\/p>\n
\u4e5f\u6709\u4eba\u8ba4\u4e3a\u540c\u4e00\u4e2a\u57df\u540d\u52a0WWW.\u548c\u4e0d\u52a0WWW.\u8bbf\u95ee\u7f51\u7ad9\u4e5f\u4f1a\u4f7f\u7f51\u7ad9\u6743\u91cd\u5206\u6563\uff0c\u8fd9\u4e5f\u662f\u4e2a\u95ee\u9898\u3002\u4f46\u662f\u53ef\u4ee5\u4f7f\u7528301\u8df3\u8f6c\u628a\u4e0d\u52a0WWW.\u8df3\u8f6c\u5230\u52a0WWW.\u7684\u57df\u540d\uff0c\u95ee\u9898\u5c31\u89e3\u51b3\u4e86\u3002<\/p>\n
\u53c8\u79f0IP\u6307\u5411\uff0c\u7528\u6237\u53ef\u4ee5\u5728\u6b64\u8bbe\u7f6e\u5b50\u57df\u540d\u5e76\u6307\u5411\u5230\u81ea\u5df1\u7684\u76ee\u6807\u4e3b\u673a\u5730\u5740\u4e0a\uff0c\u4ece\u800c\u5b9e\u73b0\u901a\u8fc7\u57df\u540d\u627e\u5230\u670d\u52a1\u5668\u3002
\n\u8bf4\u660e\uff1a
\n\u00b7\u6307\u5411\u7684\u76ee\u6807\u4e3b\u673a\u5730\u5740\u7c7b\u578b\u53ea\u80fd\u4f7f\u7528IP\u5730\u5740\uff1b
\n1) \u6dfb\u52a0A\u8bb0\u5f55
\n\u5728\u201c\u4e3b\u673a\u540d\u201d\u4e2d\u586b\u5165\u5b50\u57df\u7684\u540d\u5b57\uff0c\u201c\u7c7b\u578b\u201d\u4e3aA\uff0c\u201cIP\u5730\u5740\/\u4e3b\u673a\u540d\u201d\u4e2d\u586b\u5165web\u670d\u52a1\u5668\u7684IP\u5730\u5740\uff0c\u70b9\u51fb\u201c\u65b0\u589e\u201d\u6309\u94ae\u5373\u53ef\u3002
\n\u6ce8\uff1a\u5982\u679c\u201c\u4e3b\u673a\u540d\u201d\u4e00\u680f\u4e3a\u7a7a\u5219\u8868\u793a\u5bf9\u57df\u540dmydomain.com\u672c\u8eab\u505a\u6307\u5411\u3002
\n2) \u4fee\u6539A\u8bb0\u5f55
\n\u53ea\u8981\u5728\u201cIP\u5730\u5740\/\u4e3b\u673a\u540d\u201d\u4e00\u680f\u4e2d\u5c06\u539f\u6765\u7684IP\u5730\u5740\u76f4\u63a5\u4fee\u6539\u4e3a\u65b0IP\u5730\u5740\uff0c\u7136\u540e\u70b9\u51fb\u201c\u4fee\u6539\u201d\u6309\u94ae\u5373\u53ef\u3002
\n3) \u5220\u9664A\u8bb0\u5f55
\n\u70b9\u51fb\u8981\u5220\u9664\u7684A\u8bb0\u5f55\u540e\u9762\u5bf9\u5e94\u7684\u201c\u5220\u9664\u201d\u6309\u94ae\u5373\u53ef\u3002
\n4) \u6cdb\u57df\u540d\u89e3\u6790
\n\u5373\u5c06\u8be5\u57df\u540d\u6240\u6709\u672a\u6307\u5b9a\u7684\u5b50\u57df\u540d\u90fd\u6307\u5411\u4e00\u4e2a\u7a7a\u95f4\u3002
\n\u5728\u201c\u4e3b\u673a\u540d\u201d\u4e2d\u586b\u5165*\uff0c\u201c\u7c7b\u578b\u201d\u4e3aA\uff0c\u201cIP\u5730\u5740\/\u4e3b\u673a\u540d\u201d\u4e2d\u586b\u5165web\u670d\u52a1\u5668\u7684IP\u5730\u5740\uff0c\u70b9\u51fb\u201c\u65b0\u589e\u201d\u6309\u94ae\u5373\u53ef\u3002
\n5) \u8d1f\u8f7d\u5747\u8861\u7684\u5b9e\u73b0\uff1a
\n\u8d1f\u8f7d\u5747\u8861(Server Load Balancing\uff0cSLB)\u662f\u6307\u5728\u4e00\u7cfb\u5217\u8d44\u6e90\u4e0a\u9762\u52a8\u6001\u5730\u5206\u5e03\u7f51\u7edc\u8d1f\u8f7d\u3002\u8d1f\u8f7d\u5747\u8861\u53ef\u4ee5\u51cf\u5c11\u7f51\u7edc\u62e5\u585e\uff0c\u63d0\u9ad8\u6574\u4f53\u7f51\u7edc\u6027\u80fd\uff0c\u63d0\u9ad8\u81ea\u6108\u6027\uff0c\u5e76\u786e\u4fdd\u4f01\u4e1a\u5173\u952e\u6027\u5e94\u7528\u7684\u53ef\u7528\u6027\u3002
\n\u5f53\u76f8\u540c\u5b50\u57df\u540d\u6709\u591a\u4e2a\u76ee\u6807\u5730\u5740\u65f6\uff0c\u8868\u793a\u8f6e\u5faa\uff0c\u53ef\u4ee5\u8fbe\u5230\u8d1f\u8f7d\u5747\u8861\u7684\u76ee\u7684\uff0c\u4f46\u9700\u8981\u865a\u62df\u4e3b\u673a\u670d\u52a1\u5546\u652f\u6301\u3002<\/p>\n
\u901a\u5e38\u79f0\u522b\u540d\u6307\u5411\u3002\u60a8\u53ef\u4ee5\u4e3a\u4e00\u4e2a\u4e3b\u673a\u8bbe\u7f6e\u522b\u540d\u3002\u6bd4\u5982\u8bbe\u7f6etest.mydomain.com\uff0c\u7528\u6765\u6307\u5411\u4e00\u4e2a\u4e3b\u673awww.rddns.com\u90a3\u4e48\u4ee5\u540e\u5c31\u53ef\u4ee5\u7528test.mydomain.com\u6765\u4ee3\u66ff\u8bbf\u95eewww.rddns.com\u4e86\u3002
\n\u8bf4\u660e\uff1a
\n\u00b7CNAME\u7684\u76ee\u6807\u4e3b\u673a\u5730\u5740\u53ea\u80fd\u4f7f\u7528\u4e3b\u673a\u540d\uff0c\u4e0d\u80fd\u4f7f\u7528IP\u5730\u5740\uff1b
\n\u00b7\u4e3b\u673a\u540d\u524d\u4e0d\u80fd\u6709\u4efb\u4f55\u5176\u4ed6\u524d\u7f00\uff0c\u5982\uff1ahttp:\/\/\u7b49\u662f\u4e0d\u88ab\u5141\u8bb8\u7684\uff1b
\n\u00b7A\u8bb0\u5f55\u4f18\u5148\u4e8eCNAME\u8bb0\u5f55\u3002\u5373\u5982\u679c\u4e00\u4e2a\u4e3b\u673a\u5730\u5740\u540c\u65f6\u5b58\u5728A\u8bb0\u5f55\u548cCNAME\u8bb0\u5f55\uff0c\u5219CNAME\u8bb0\u5f55\u4e0d\u751f\u6548\u3002
\n1) \u6dfb\u52a0CNAME\u8bb0\u5f55
\n\u5728\u201c\u4e3b\u673a\u540d\u201d\u4e2d\u586b\u5165\u5b50\u57df\u7684\u540d\u5b57\uff0c\u201c\u7c7b\u578b\u201d\u4e3aCNAME\uff0c\u201cIP\u5730\u5740\/\u4e3b\u673a\u540d\u201d\u4e2d\u586b\u5165\u76ee\u6807\u5730\u5740\uff0c\u70b9\u51fb\u201c\u65b0\u589e\u201d\u6309\u94ae\u5373\u53ef\u3002
\n2) \u4fee\u6539CNAME\u8bb0\u5f55
\n\u53ea\u8981\u5728\u201cIP\u5730\u5740\/\u4e3b\u673a\u540d\u201d\u4e00\u680f\u4e2d\u5c06\u539f\u6765\u7684\u76ee\u6807\u5730\u5740\u76f4\u63a5\u4fee\u6539\u4e3a\u65b0\u5730\u5740\uff0c\u7136\u540e\u70b9\u51fb\u201c\u4fee\u6539\u201d\u6309\u94ae\u5373\u53ef\u3002
\n3) \u5220\u9664CNAME\u8bb0\u5f55
\n\u70b9\u51fb\u8981\u5220\u9664\u7684CNAME\u8bb0\u5f55\u540e\u9762\u5bf9\u5e94\u7684\u201c\u5220\u9664\u201d\u6309\u94ae\u5373\u53ef\u3002<\/p>\n
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\n1)\u6dfb\u52a0MX\u8bb0\u5f55
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\n2) \u4fee\u6539MX\u8bb0\u5f55
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\n3) \u5220\u9664MX\u8bb0\u5f55
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\n4) \u8d1f\u8f7d\u5747\u8861
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\n1) \u6dfb\u52a0NS\u8bb0\u5f55
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\n2) \u4fee\u6539NS\u8bb0\u5f55
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\n3) \u5220\u9664NS\u8bb0\u5f55<\/p>\n
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