{"id":35786,"date":"2026-08-31T17:35:24","date_gmt":"2026-08-31T09:35:24","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-tw\/dns-rollback-after-changes-for-hong-kong-servers\/"},"modified":"2026-08-31T17:37:11","modified_gmt":"2026-08-31T09:37:11","slug":"dns-rollback-after-changes-for-hong-kong-servers","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/dns-rollback-after-changes-for-hong-kong-servers\/","title":{"rendered":"\u9999\u6e2f\u4f3a\u670d\u5668 DNS \u56de\u6efe\u6307\u5357"},"content":{"rendered":"<p>\n    \u7576\u4f60\u5728<a target=\"_blank\" href=\"https:\/\/www.varidata.com\/zh-tw\/server\/hk\/cn2\/\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4e0a\u627f\u8f09\u5c0d\u5ef6\u9072\u6975\u70ba\u654f\u611f\u7684\u696d\u52d9\u6642\uff0c\u4e00\u500b\u96a8\u610f\u7684 DNS \u8b8a\u66f4\u5c31\u53ef\u80fd\u628a\u4e00\u6b21\u5e38\u898f\u4e0a\u7dda\u8b8a\u6210\u5fb9\u5e95\u7576\u6a5f\u3002\u70ba\u9999\u6e2f\u4f3a\u670d\u5668\u6e96\u5099\u4e00\u5957\u53ef\u91cd\u8907\u3001\u53ef\u9a57\u8b49\u7684 DNS \u56de\u6efe\u6d41\u7a0b\uff0c\u662f\u628a\u6545\u969c\u5f9e\u300c\u5e7e\u5206\u9418\u5c0f\u6296\u52d5\u300d\u63a7\u5236\u5728\u53ef\u63a5\u53d7\u7bc4\u570d\u5167\uff0c\u9084\u662f\u6f14\u8b8a\u6210\u300c\u6578\u5c0f\u6642\u91cd\u5927\u4e8b\u6545\u300d\u7684\u95dc\u9375\u5206\u6c34\u5dba\u3002\n  <\/p>\n<h2><strong>\u70ba\u4ec0\u9ebc\u5728\u9999\u6e2f\u6a5f\u623f\u74b0\u5883\u4e2d DNS \u56de\u6efe\u66f4\u95dc\u9375<\/strong><\/h2>\n<p>\n    DNS \u662f\u4f7f\u7528\u8005\u62b5\u9054\u4f60\u57fa\u790e\u8a2d\u65bd\u7684\u63a7\u5236\u5e73\u9762\u3002\u5c0d\u65bc\u4ee5\u9999\u6e2f\u70ba\u7bc0\u9ede\u3001\u540c\u6642\u9762\u5411\u4e2d\u570b\u5927\u9678\u53ca\u5168\u7403\u4f7f\u7528\u8005\u7684\u696d\u52d9\u5806\u758a\u4f86\u8aaa\uff0c\u4e00\u500b\u914d\u7f6e\u932f\u8aa4\u7684\u7d00\u9304\u5c31\u80fd\u4ee5\u91cd\u555f\u670d\u52d9\u5b8c\u5168\u7121\u6cd5\u4fee\u5fa9\u7684\u65b9\u5f0f\uff0c\u76f4\u63a5\u6253\u58de\u8def\u7531\u8def\u5f91\u3002\u9999\u6e2f\u8cc7\u6599\u4e2d\u5fc3\u901a\u5e38\u96b1\u8eab\u5728\u591a\u5c64\u5143\u4ef6\u4e4b\u5f8c\u2014\u2014CDN\u3001WAF\u3001\u8ca0\u8f09\u5e73\u8861\uff0c\u751a\u81f3\u8de8\u5883\u52a0\u901f\u901a\u9053\u2014\u2014\u56e0\u6b64 DNS \u5c31\u8b8a\u6210\u4e86\u9802\u5c64\u7684\u300c\u7e3d\u958b\u95dc\u300d\uff0c\u6c7a\u5b9a\u700f\u89bd\u5668\u6700\u7d42\u843d\u5728\u54ea\u500b\u908a\u7de3\u7bc0\u9ede\u6216\u6e90\u7ad9\u3002\n  <\/p>\n<p>\n    \u5f9e\u904b\u7dad\u5de5\u7a0b\u5e2b\u7684\u8996\u89d2\u770b\uff0c\u98a8\u96aa\u6a23\u8c8c\u5927\u81f4\u5982\u4e0b\uff1a\n  <\/p>\n<ul>\n<li>\u4e00\u500b A \u8a18\u9304\u4e2d\u7684 IP \u5beb\u932f\uff0c\u5c31\u80fd\u8b93\u5168\u90e8\u6d41\u91cf\u6253\u5230\u4e0d\u53ef\u9054\u4f4d\u5740\u3002<\/li>\n<li>\u932f\u8aa4\u7684 CNAME \u53ef\u80fd\u7e5e\u904e\u9810\u671f\u7684 CDN\uff0c\u76f4\u63a5\u66b4\u9732\u6e90\u7ad9\u3002<\/li>\n<li>\u907a\u6f0f\u6062\u5fa9\u7684 MX \u6216 TXT \u8a18\u9304\uff0c\u6703\u5728\u5f8c\u53f0\u6084\u6084\u6467\u6bc0\u90f5\u4ef6\u6216\u9a57\u8b49\u6d41\u7a0b\u3002<\/li>\n<li>TTL \u8a2d\u5b9a\u904e\u9577\uff0c\u5247\u6703\u8b93\u932f\u8aa4\u72c0\u614b\u5728\u5404\u985e\u5feb\u53d6\u4e2d\u300c\u91d8\u6b7b\u300d\u6578\u5c0f\u6642\u751a\u81f3\u6578\u5929\u3002<\/li>\n<\/ul>\n<p>\n    \u5c0d\u4efb\u4f55\u57fa\u65bc\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528\u6216\u4f3a\u670d\u5668\u8a17\u7ba1\u642d\u5efa\u751f\u7522\u74b0\u5883\u7684\u5718\u968a\u4f86\u8aaa\uff0c\u6709\u7d00\u5f8b\u7684\u56de\u6efe\u7b56\u7565\u4e0d\u662f\u53ef\u9078\u9805\uff0c\u800c\u662f\u4e8b\u4ef6\u97ff\u61c9\u6d41\u7a0b\u7684\u7d44\u6210\u90e8\u5206\u3002\n  <\/p>\n<h2><strong>\u5f9e\u9999\u6e2f\u904b\u7dad\u8996\u89d2\u91cd\u65b0\u5be9\u8996 DNS \u57fa\u790e<\/strong><\/h2>\n<p>\n    \u5728\u8a2d\u8a08\u56de\u6efe\u6d41\u7a0b\u4e4b\u524d\uff0c\u628a DNS \u653e\u9032\u4f60\u5c0d\u300c\u61c9\u7528\u767c\u5e03\u300d\u7684\u540c\u4e00\u601d\u7dad\u6a21\u578b\u4e2d\u6703\u66f4\u5bb9\u6613\u7406\u89e3\u3002\u5c24\u5176\u7576\u4f60\u7684\u6e90\u7ad9\u5728\u9999\u6e2f\u3001\u4f7f\u7528\u8005\u537b\u5206\u5e03\u5728\u591a\u500b\u5340\u57df\u6642\uff0c\u6709\u5e7e\u500b\u7d30\u7bc0\u683c\u5916\u91cd\u8981\u3002\n  <\/p>\n<ol>\n<li>\n      <strong>\u628a DNS \u8a18\u9304\u8996\u70ba\u914d\u7f6e\u72c0\u614b<\/strong><br \/>\n      A \u8a18\u9304\u3001AAAA \u8a18\u9304\u548c CNAME \u5176\u5be6\u90fd\u662f\u300c\u6d41\u91cf\u61c9\u8a72\u53bb\u54ea\u88e1\u300d\u7684\u914d\u7f6e\u5feb\u7167\u3002\u8981\u50cf\u7ba1\u7406\u57fa\u790e\u8a2d\u65bd\u5373\u7a0b\u5f0f\u78bc\u90a3\u6a23\u7ba1\u7406\u5b83\u5011\uff0c\u800c\u4e0d\u662f\u5fc3\u8840\u4f86\u6f6e\u8dd1\u53bb\u63a7\u5236\u53f0\u4e82\u9ede\u3002\n    <\/li>\n<li>\n      <strong>\u89e3\u6790\u5668\u8207\u50b3\u64ad<\/strong><br \/>\n      \u905e\u8ff4\u89e3\u6790\u5668\uff08\u96fb\u4fe1\u696d\u8005 DNS\u3001\u516c\u5171 DNS \u5982 8.8.8.8\u3001\u4f01\u696d\u5167\u90e8 DNS \u7b49\uff09\u6703\u6839\u64da TTL \u5feb\u53d6\u4f60\u7684\u56de\u61c9\u3002\u4e00\u65e6\u4f60\u63a8\u9001\u4e86\u932f\u8aa4\u7d00\u9304\uff0c\u9019\u500b\u932f\u8aa4\u72c0\u614b\u5c31\u6703\u88ab\u8907\u88fd\u5230\u4e00\u5806\u4f60\u7121\u6cd5\u96c6\u4e2d\u6e05\u7a7a\u7684\u5feb\u53d6\u88e1\u3002\n    <\/li>\n<li>\n      <strong>\u5ef6\u9072\u8207\u5730\u7406\u4f4d\u7f6e<\/strong><br \/>\n      \u4ee5\u9999\u6e2f\u70ba\u6e90\u7ad9\u6a1e\u7d10\u6642\uff0c\u4e0d\u540c\u5730\u5340\u7684\u4f7f\u7528\u8005\u53ef\u80fd\u56e0\u70ba\u667a\u6167\u8def\u7531\u7b56\u7565\u3001\u5206\u88c2\u8996\u5716\uff08split\u2011horizon\uff09\u3001\u4efb\u64ad\u7b49\u6a5f\u5236\u800c\u8d70\u4e0a\u4e0d\u540c\u7684\u89e3\u6790\u8def\u5f91\u3002\u56de\u6efe\u5f8c\u7684\u9a57\u8b49\u5fc5\u9808\u8986\u84cb\u591a\u500b\u89c0\u5bdf\u9ede\uff0c\u800c\u4e0d\u662f\u53ea\u770b\u4e00\u689d\u51fa\u53e3\u3002\n    <\/li>\n<\/ol>\n<p>\n    \u4e00\u65e6\u63a5\u53d7\u9019\u4e09\u500b\u524d\u63d0\uff0cDNS \u5c31\u4e0d\u518d\u662f\u300c\u7384\u5b78\u300d\uff0c\u800c\u6703\u66f4\u50cf\u4e00\u500b\u6709\u6e05\u6670\u63a7\u5236\u624b\u6bb5\u7684\u5206\u6563\u5f0f\u5feb\u53d6\u554f\u984c\uff0c\u800c\u56de\u6efe\u5247\u662f\u300c\u5beb\u56de\u5df2\u77e5\u826f\u597d\u72c0\u614b\u300d\u7684\u904e\u7a0b\u3002\n  <\/p>\n<h2><strong>\u8b8a\u66f4\u524d\u7684\u885b\u751f\u7fd2\u6163\uff1a\u52d5 DNS \u4e4b\u524d\u5148\u642d\u597d\u5b89\u5168\u7db2<\/strong><\/h2>\n<p>\n    \u5e7e\u4e4e\u6240\u6709\u4e7e\u6de8\u4fd0\u843d\u7684\u56de\u6efe\uff0c\u90fd\u662f\u5728\u4f60\u6539\u52d5\u7b2c\u4e00\u689d\u7d00\u9304\u4e4b\u524d\u5c31\u5df2\u7d93\u300c\u6c7a\u5b9a\u300d\u7684\u2014\u2014\u4f60\u8a2d\u8a08\u7684\u662f\u4e00\u500b\u53ef\u9006\u7684\u65b9\u6848\uff0c\u800c\u4e0d\u662f\u4e00\u6b21\u6027\u64cd\u4f5c\u3002\u5c0d\u65bc\u9999\u6e2f\u6a5f\u623f\u5834\u666f\uff0c\u9019\u500b\u65b9\u6848\u9084\u9700\u8981\u984d\u5916\u8003\u616e\u8de8\u5340\u57df\u8868\u73fe\u8207\u5408\u898f\u7d30\u7bc0\u3002\n  <\/p>\n<ol>\n<li>\n      <strong>\u70ba\u7576\u524d\u5340\u57df\u914d\u7f6e\u505a\u5feb\u7167<\/strong><\/p>\n<ul>\n<li>\u5982\u679c\u670d\u52d9\u5546\u652f\u63f4\uff0c\u532f\u51fa\u5b8c\u6574\u7684\u5340\u57df\uff08zone\uff09\u6a94\u6848\u3002<\/li>\n<li>\u6700\u4fdd\u5e95\u7684\u505a\u6cd5\uff0c\u662f\u622a\u5716\u4fdd\u5b58\u6240\u6709\u73fe\u6709\u7d00\u9304\u3002<\/li>\n<li>\u628a\u5feb\u7167\u5b58\u9032\u7248\u672c\u63a7\u5236\u6216\u8b8a\u66f4\u7ba1\u7406\u7cfb\u7d71\u88e1\uff0c\u800c\u4e0d\u662f\u67d0\u500b\u4eba\u7684\u684c\u9762\u8cc7\u6599\u593e\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n      <strong>\u6a19\u8a3b\u8207\u9999\u6e2f\u76f8\u95dc\u7684\u689d\u76ee<\/strong><\/p>\n<ul>\n<li>\u6a19\u8a18\u6240\u6709\u76f4\u63a5\u5c07\u6d41\u91cf\u6307\u5411\u9999\u6e2f\u7bc0\u9ede\u7684 A \u6216 AAAA \u8a18\u9304\u3002<\/li>\n<li>\u8a18\u9304\u6240\u6709\u6700\u7d42\u843d\u5728\u9999\u6e2f\u6e90\u7ad9\u6216\u8ca0\u8f09\u5e73\u8861\u5668\u4e0a\u7684 CNAME \u93c8\u3002<\/li>\n<li>\u68b3\u7406\u670d\u52d9\u5546\u7279\u5b9a\u7684\u8def\u7531\u908f\u8f2f\uff0c\u6bd4\u5982\u5340\u57df\uff0f\u96fb\u4fe1\u5546\u5206\u7dda\u8def\u7b56\u7565\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n      <strong>\u5728\u9ad8\u98a8\u96aa\u7de8\u8f2f\u524d\u5148\u7e2e\u77ed TTL<\/strong><\/p>\n<ul>\n<li>\u5c0d\u5373\u5c07\u4fee\u6539\u7684\u7d00\u9304\uff0c\u628a TTL \u5148\u8abf\u6210\u4f8b\u5982 300 \u79d2\u9019\u6a23\u8f03\u5c0f\u7684\u503c\u3002<\/li>\n<li>\u81f3\u5c11\u7b49\u5f85\u4e00\u500b TTL \u9031\u671f\uff0c\u518d\u57f7\u884c\u771f\u6b63\u7684\u914d\u7f6e\u8b8a\u66f4\u3002<\/li>\n<li>\u8a18\u9304\u4f60\u8abf\u6574 TTL \u7684\u6642\u9593\u9ede\uff0c\u9019\u6a23\u5927\u81f4\u80fd\u77e5\u9053\u5feb\u53d6\u4ec0\u9ebc\u6642\u5019\u6703\u300c\u5237\u65b0\u4e7e\u6de8\u300d\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\n    \u505a\u5230\u4ee5\u4e0a\u9019\u4e9b\uff0c\u5f8c\u7e8c\u56de\u6efe\u5c31\u53ea\u662f\u300c\u91cd\u65b0\u5957\u7528\u5df2\u77e5\u826f\u597d\u914d\u7f6e\u300d\uff0c\u800c\u4e0d\u662f\u73fe\u5834\u731c\u6e2c\u7cfb\u7d71\u4e4b\u524d\u5230\u5e95\u9577\u4ec0\u9ebc\u6a23\u3002\n  <\/p>\n<h2><strong>DNS \u8b8a\u66f4\u51fa\u554f\u984c\u5f8c\uff0c\u5e38\u898b\u7684\u6545\u969c\u8868\u73fe<\/strong><\/h2>\n<p>\n    \u7576\u4e00\u6b21 DNS \u4fee\u6539\u8d70\u504f\u6642\uff0c\u8868\u8c61\u53ef\u80fd\u985e\u4f3c\u5404\u7a2e\u6cdb\u7528\u7db2\u8def\u554f\u984c\uff0c\u4f46\u5b83\u5011\u6709\u4e00\u4e9b\u7279\u6709\u7684\u8a0a\u865f\u3002\u76e1\u65e9\u8b58\u5225\u9019\u4e9b\u8a0a\u865f\uff0c\u80fd\u8b93\u4f60\u66f4\u5feb\u5207\u63db\u5230\u300c\u56de\u6efe\u6a21\u5f0f\u300d\uff0c\u800c\u4e0d\u662f\u5728\u61c9\u7528\u7a0b\u5f0f\u78bc\u88e1\u778e\u6392\u67e5\u3002\n  <\/p>\n<ul>\n<li>\n      <strong>\u5168\u57df\u6216\u5340\u57df\u6027\u300c\u7ad9\u9ede\u7121\u6cd5\u627e\u5230\u300d<\/strong><br \/>\n      \u700f\u89bd\u5668\u63d0\u793a\u300c\u7121\u6cd5\u627e\u5230\u4f3a\u670d\u5668 IP \u4f4d\u5740\u300d\u4e4b\u985e\u932f\u8aa4\uff0c\u8868\u793a\u76ee\u524d\u6c92\u6709\u53ef\u7528\u7684\u4f4d\u5740\u89e3\u6790\u7d50\u679c\u3002\n    <\/li>\n<li>\n      <strong>\u53ea\u6709\u90e8\u5206\u5730\u5340\u5931\u6557<\/strong><br \/>\n      \u67d0\u4e9b\u5730\u5340\u4f7f\u7528\u8005\u5b8c\u5168\u7121\u6cd5\u5b58\u53d6\uff0c\u5176\u4ed6\u5730\u5340\u537b\u4e00\u5207\u6b63\u5e38\u3002\u5f80\u5f80\u610f\u5473\u8457\u5206\u88c2\u8996\u5716\u3001\u5206\u7dda\u8def\u7b56\u7565\u6216\u67d0\u4e9b\u905e\u8ff4\u89e3\u6790\u5668\u5feb\u53d6\u904e\u820a\u3002\n    <\/li>\n<li>\n      <strong>\u6c92\u6709\u5b8c\u5168\u7576\u6a5f\u4f46\u6548\u80fd\u660e\u986f\u60e1\u5316<\/strong><br \/>\n      \u5982\u679c\u8b8a\u66f4\u610f\u5916\u7e5e\u904e\u539f\u672c\u7684\u908a\u7de3\u5c64\uff0c\u9060\u7aef\u5730\u5340\u7684\u6d41\u91cf\u53ef\u80fd\u76f4\u63a5\u6253\u5230\u9999\u6e2f\u6e90\u7ad9\uff0c\u5c0e\u81f4 RTT \u98c6\u5347\u3001\u9023\u7dda\u903e\u6642\u3002\n    <\/li>\n<li>\n      <strong>\u5468\u908a\u670d\u52d9\u7570\u5e38<\/strong><br \/>\n      \u5728\u540c\u4e00\u6279\u64cd\u4f5c\u4e2d\u4fee\u6539 MX\u3001SPF\u3001DKIM \u6216 TXT \u8a18\u9304\uff0c\u53ef\u80fd\u5728\u4f60\u6c92\u6ce8\u610f\u5230\u7684\u60c5\u6cc1\u4e0b\uff0c\u6084\u6084\u6467\u6bc0\u90f5\u4ef6\u6295\u905e\u3001\u7db2\u57df\u9a57\u8b49\u6216\u7b2c\u4e09\u65b9\u6574\u5408\uff0c\u5373\u4fbf\u7db2\u7ad9\u8868\u9762\u770b\u8d77\u4f86\u4ecd\u5728\u7dda\u4e0a\u3002\n    <\/li>\n<\/ul>\n<p>\n    \u7b2c\u4e00\u6642\u9593\u8981\u505a\u7684\uff0c\u662f\u5c0d\u6bd4\u8b8a\u66f4\u524d\u5f8c\u7684\u7d00\u9304\uff0c\u7136\u5f8c\u78ba\u8a8d\u5168\u7403\u4e0d\u540c\u4f4d\u7f6e\u7684\u89e3\u6790\u5668\u6b64\u6642\u5be6\u969b\u62ff\u5230\u7684\u7d50\u679c\u662f\u4ec0\u9ebc\u3002\n  <\/p>\n<h2><strong>\u6838\u5fc3\u56de\u6efe\u5287\u672c\uff1a\u5728\u932f\u8aa4\u8b8a\u66f4\u5f8c\u9084\u539f DNS<\/strong><\/h2>\n<p>\n    \u4e00\u5957\u771f\u6b63\u53ef\u7528\u7684\u56de\u6efe\u6d41\u7a0b\uff0c\u61c9\u8a72\u8db3\u5920\u7c21\u77ed\u4ee5\u4fbf\u5728\u58d3\u529b\u4e0b\u5feb\u901f\u57f7\u884c\uff0c\u53c8\u8db3\u5920\u660e\u78ba\uff0c\u8b93\u4efb\u4f55\u4e00\u4f4d\u503c\u73ed\u5de5\u7a0b\u5e2b\u5728\u51cc\u6668\u4e09\u9ede\u7167\u8457\u505a\u90fd\u4e0d\u6703\u7ffb\u8eca\u3002\u5c0d\u65bc\u9999\u6e2f\u696d\u52d9\uff0c\u9019\u500b\u6d41\u7a0b\u9084\u8981\u517c\u9867\u8de8\u5883\u8207\u570b\u969b\u591a\u51fa\u53e3\u7684\u9023\u901a\u6027\u9a57\u8b49\u3002\n  <\/p>\n<ol>\n<li>\n      <strong>\u5148\u78ba\u8a8d\u56de\u6efe\u7684\u76ee\u6a19\u72c0\u614b<\/strong><\/p>\n<ul>\n<li>\u6253\u958b\u6700\u8fd1\u4e00\u6b21\u7684\u300c\u5df2\u77e5\u826f\u597d\u300d\u5340\u57df\u5feb\u7167\u3002<\/li>\n<li>\u78ba\u5b9a\u5931\u6557\u4e0a\u7dda\u8996\u7a97\u5167\u88ab\u4fee\u6539\u7684\u6240\u6709\u7d00\u9304\u3002<\/li>\n<li>\u5c0d\u6bcf\u689d\u88ab\u6539\u52d5\u7684\u7d00\u9304\uff0c\u660e\u78ba\u5c0d\u61c9\u7684\u820a\u503c\u5c31\u662f\u56de\u6efe\u76ee\u6a19\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n      <strong>\u660e\u78ba\u5730\u6062\u5fa9\u820a\u914d\u7f6e<\/strong><\/p>\n<ul>\n<li>\u6062\u5fa9\u539f\u672c\u6307\u5411\u9810\u671f\u9999\u6e2f\u7bc0\u9ede\u7684 A \u6216 AAAA \u8a18\u9304\u3002<\/li>\n<li>\u91cd\u65b0\u5efa\u7acb\u88ab\u522a\u9664\u6216\u8986\u5beb\u7684 CNAME\u3001MX\u3001TXT \u7b49\u689d\u76ee\u3002<\/li>\n<li>\u907f\u514d\u81e8\u5834\u300c\u795e\u64cd\u4f5c\u300d\uff0c\u4f8b\u5982\u6307\u5411\u4e00\u500b\u300c\u770b\u8d77\u4f86\u80fd\u901a\u300d\u7684\u96a8\u6a5f IP\u2014\u2014\u52d9\u5fc5\u56b4\u683c\u6062\u5fa9\u5230\u5feb\u7167\u88e1\u8a18\u9304\u7684\u72c0\u614b\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n      <strong>\u70ba\u6062\u5fa9\u5f8c\u7684\u7d00\u9304\u8a2d\u5b9a\u8f03\u77ed TTL<\/strong><\/p>\n<ul>\n<li>\u5c0d\u525b\u525b\u56de\u6efe\u7684\u7d00\u9304\uff0c\u518d\u6b21\u8a2d\u5b9a\u8f03\u5c0f\u7684 TTL\uff0c\u4f8b\u5982 300 \u79d2\u3002<\/li>\n<li>\u9019\u6709\u52a9\u65bc\u66f4\u5feb\u628a\u932f\u8aa4\u72c0\u614b\u5f9e\u5feb\u53d6\u4e2d\u6c96\u5237\u6389\uff0c\u4e26\u66f4\u5feb\u89c0\u5bdf\u5230\u4fee\u5fa9\u662f\u5426\u751f\u6548\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n      <strong>\u5f9e\u591a\u500b\u89c0\u5bdf\u9ede\u9032\u884c\u9a57\u8b49<\/strong><\/p>\n<ul>\n<li>\u5728\u4e0d\u540c\u5730\u5340\u7684\u7d42\u7aef\u4e0a\u4f7f\u7528 <code>dig<\/code> \u6216 <code>nslookup<\/code> \u7b49\u5de5\u5177\uff0c\u78ba\u8a8d\u89e3\u6790\u51fa\u4f86\u7684 IP \u662f\u5426\u6b63\u78ba\u3002<\/li>\n<li>\u5229\u7528\u7b2c\u4e09\u65b9 DNS \u6aa2\u6e2c\u5de5\u5177\uff0c\u67e5\u770b\u5404\u985e\u905e\u8ff4\u89e3\u6790\u5668\u7684\u56de\u50b3\u7d50\u679c\u3002<\/li>\n<li>\u81f3\u5c11\u5f9e\u4e00\u689d\u9760\u8fd1\u9999\u6e2f\u7684\u8def\u5f91\u548c\u4e00\u689d\u9060\u7aef\u8def\u5f91\u4e0a\uff0c\u6e2c\u8a66 HTTP\u3001TLS \u4ee5\u53ca\u61c9\u7528\u5c64\u884c\u70ba\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n      <strong>\u4e8b\u4ef6\u7d50\u675f\u5f8c\u91cd\u65b0\u7a69\u5b9a TTL<\/strong><\/p>\n<ul>\n<li>\u5728\u78ba\u8a8d\u6d41\u91cf\u7a69\u5b9a\u4e00\u6bb5\u6642\u9593\u5f8c\uff0c\u628a TTL \u8abf\u56de 600\u20131800 \u79d2\u9019\u6a23\u7684\u5e38\u898f\u57fa\u7dda\u3002<\/li>\n<li>\u5728\u8b8a\u66f4\u65e5\u8a8c\u4e2d\u8a18\u9304\u672c\u6b21\u56de\u6efe\u4e86\u54ea\u4e9b\u7d00\u9304\u3001\u539f\u56e0\u662f\u4ec0\u9ebc\uff0c\u65b9\u4fbf\u4e8b\u5f8c\u5fa9\u76e4\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\n    \u76ee\u6a19\u4e0d\u662f\u5728\u58d3\u529b\u4e0b\u5373\u8208\u60f3\u51fa\u591a\u9ebc\u300c\u8070\u660e\u300d\u7684\u88dc\u4e01\u65b9\u6848\uff0c\u800c\u662f\u6bcf\u6b21\u90fd\u57f7\u884c\u90a3\u5957\u540c\u6a23\u7121\u804a\u4f46\u7d93\u904e\u6f14\u7df4\u7684\u56de\u6efe\u5287\u672c\u3002\n  <\/p>\n<h2><strong>\u4e0d\u540c\u670d\u52d9\u5546\u4e0b\u7684 DNS \u56de\u6efe\u7b56\u7565<\/strong><\/h2>\n<p>\n    DNS \u56de\u6efe\u7684\u5177\u9ad4\u64cd\u4f5c\u65b9\u5f0f\uff0c\u6703\u56e0\u4f60\u662f\u4f7f\u7528\u7db2\u57df\u8a3b\u518a\u5546\u81ea\u5e36 DNS\u3001\u96f2\u7aef\u5ee0\u5546 DNS \u670d\u52d9\u9084\u662f\u5c08\u9580\u7684\u7b2c\u4e09\u65b9 DNS \u5e73\u53f0\u800c\u7565\u6709\u4e0d\u540c\u3002\u7576\u4f60\u7684\u6838\u5fc3\u57fa\u790e\u8a2d\u65bd\u96c6\u4e2d\u5728\u9999\u6e2f\u6642\uff0c\u6bcf\u4e00\u985e\u670d\u52d9\u5546\u90fd\u6703\u6709\u5404\u81ea\u7684\u300c\u5751\u9ede\u300d\u3002\n  <\/p>\n<ol>\n<li>\n      <strong>\u7db2\u57df\u8a3b\u518a\u5546\u63d0\u4f9b\u7684 DNS \u63a7\u5236\u53f0<\/strong><\/p>\n<ul>\n<li>\u6574\u9ad4\u529f\u80fd\u901a\u5e38\u8f03\u70ba\u7c21\u55ae\uff0c\u7f3a\u5c11\u9032\u968e\u8def\u7531\u898f\u5247\u3002<\/li>\n<li>\u56de\u6efe\u5f80\u5f80\u610f\u5473\u8457\u6839\u64da\u622a\u5716\u6216\u624b\u52d5\u7d00\u9304\u91cd\u65b0\u8f38\u5165\u5404\u9805\u6578\u503c\u3002<\/li>\n<li>\u8b8a\u66f4\u6b77\u53f2\u53ef\u8996\u6027\u6709\u9650\uff0c\u5343\u842c\u5225\u6307\u671b\u670d\u52d9\u5546\u80fd\u5e6b\u4f60\u56de\u60f3\u8d77\u820a\u503c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n      <strong>\u4f3a\u670d\u5668\u79df\u7528\u5ee0\u5546\u63d0\u4f9b\u7684\u96f2\u7aef DNS<\/strong><\/p>\n<ul>\n<li>\u8207\u9999\u6e2f\u7684\u4f3a\u670d\u5668\u79df\u7528\u6216\u4f3a\u670d\u5668\u8a17\u7ba1\u74b0\u5883\u6574\u5408\u5f97\u66f4\u52a0\u7dca\u5bc6\u3002<\/li>\n<li>\u901a\u5e38\u652f\u63f4\u532f\u51fa\u5340\u57df\u6a94\u6848\uff0c\u6709\u4e9b\u9084\u63d0\u4f9b\u660e\u78ba\u7684\u300c\u6b77\u53f2\u7248\u672c\u300d\u529f\u80fd\u3002<\/li>\n<li>\u53ef\u80fd\u5305\u542b\u5340\u57df\u8def\u7531\u7b56\u7565\uff0c\u56de\u6efe\u6642\u8981\u683c\u5916\u6ce8\u610f\u9019\u4e9b\u7b56\u7565\u88ab\u5982\u4f55\u6062\u5fa9\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n      <strong>\u5c08\u7528\u7b2c\u4e09\u65b9 DNS \u5e73\u53f0<\/strong><\/p>\n<ul>\n<li>\u5f80\u5f80\u63d0\u4f9b\u76f8\u7576\u5b8c\u5099\u7684\u6b77\u53f2\u7d00\u9304\u3001\u7a3d\u6838\u65e5\u8a8c\u548c\u7248\u672c\u7ba1\u7406\u80fd\u529b\u3002<\/li>\n<li>\u90e8\u5206\u5e73\u53f0\u652f\u63f4\u300c\u4e00\u9375\u56de\u9000\u5230\u67d0\u500b\u7248\u672c\u300d\u7684\u64cd\u4f5c\u3002<\/li>\n<li>\u53ef\u4ee5\u5229\u7528\u5176 API \u7de8\u6392\u81ea\u52d5\u5316\u56de\u6efe\uff0c\u4e26\u5c07\u5176\u7d0d\u5165\u4e8b\u4ef6\u97ff\u61c9\u5287\u672c\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\n    \u7121\u8ad6\u63a1\u7528\u54ea\u985e\u670d\u52d9\u5546\uff0c\u90fd\u61c9\u7576\u8ffd\u6c42\u300c\u53ef\u9810\u6e2c\u3001\u53ef\u8173\u672c\u5316\u3001\u53ef\u89c0\u6e2c\u300d\u7684\u56de\u6efe\uff0c\u800c\u4e0d\u662f\u5728\u9762\u677f\u88e1\u6191\u611f\u89ba\u300c\u6539\u5230\u597d\u70ba\u6b62\u300d\u3002\n  <\/p>\n<h2><strong>\u5229\u7528\u672c\u5730\u8986\u84cb\u8def\u5f91\u9a57\u8b49\u56de\u6efe\u6548\u679c<\/strong><\/h2>\n<p>\n    \u5728\u771f\u6b63\u4fe1\u4efb\u4e00\u6b21\u56de\u6efe\u5df2\u7d93\u4fee\u597d\u751f\u7522\u74b0\u5883\u4e4b\u524d\uff0c\u4f60\u53ef\u4ee5\u900f\u904e\u672c\u5730\u8986\u84cb\u7684\u65b9\u5f0f\u9a57\u8b49\u9810\u671f\u7684 DNS \u76ee\u6a19\u3002\u9019\u6a23\u5373\u4fbf\u5168\u7403\u5feb\u53d6\u4ecd\u5728\u6536\u6582\uff0c\u4f60\u4e5f\u80fd\u6436\u5148\u6e2c\u8a66\u9999\u6e2f\u6e90\u7ad9\u8def\u5f91\u662f\u5426\u6b63\u5e38\u3002\n  <\/p>\n<ul>\n<li>\n      <strong>\u4fee\u6539 hosts \u6a94\u9032\u884c\u8986\u84cb<\/strong><br \/>\n      \u5728\u5de5\u4f5c\u7ad9\u4e0a\uff0c\u628a\u76ee\u6a19\u7db2\u57df\u76f4\u63a5\u5c0d\u61c9\u5230\u9999\u6e2f\u6e90\u7ad9 IP\u3002\u9019\u6703\u7e5e\u958b\u516c\u5171 DNS \u89e3\u6790\uff0c\u80fd\u76f4\u63a5\u9a57\u8b49\u6e90\u7ad9\u672c\u8eab\u662f\u5426\u5065\u5eb7\u3002\n    <\/li>\n<li>\n      <strong>\u81ea\u5efa\u5ba2\u88fd\u5316\u89e3\u6790\u5668<\/strong><br \/>\n      \u5728\u5be6\u9a57\u74b0\u5883\u4e2d\u57f7\u884c\u4e00\u500b\u5c0f\u578b\u905e\u8ff4\u89e3\u6790\u5668\uff0c\u8b93\u5b83\u53ea\u5411\u4f60\u7684\u6b0a\u5a01 DNS \u4f3a\u670d\u5668\u767c\u8d77\u67e5\u8a62\u3002\u9019\u53ef\u4ee5\u5728\u5916\u90e8\u89e3\u6790\u5668\u6536\u6582\u4e4b\u524d\uff0c\u6436\u5148\u770b\u5230\u6b0a\u5a01\u5c64\u6b63\u5728\u56de\u50b3\u4ec0\u9ebc\u3002\n    <\/li>\n<li>\n      <strong>\u700f\u89bd\u5668\u5c64\u7d1a\u7684\u8986\u84cb<\/strong><br \/>\n      \u67d0\u4e9b\u5075\u932f\u5de5\u5177\u5141\u8a31\u5728\u5ba2\u6236\u7aef\u5167\u81e8\u6642\u6307\u5b9a\u300c\u7db2\u57df \u2192 IP\u300d\u5c0d\u61c9\uff0c\u9069\u5408\u5feb\u901f\u9032\u884c HTTP \u6aa2\u67e5\u548c TLS \u9a57\u8b49\u3002\n    <\/li>\n<\/ul>\n<p>\n    \u7576\u56de\u6efe\u5df2\u5957\u7528\uff0c\u4f46\u90e8\u5206\u5340\u57df\u4f7f\u7528\u8005\u4ecd\u56e0\u5feb\u53d6\u539f\u56e0\u770b\u5230\u820a\u7684\u932f\u8aa4\u7d00\u9304\u6642\uff0c\u9019\u4e9b\u6280\u5de7\u683c\u5916\u6709\u7528\uff0c\u80fd\u5e6b\u52a9\u4f60\u5340\u5206\u300c\u914d\u7f6e\u5df2\u4fee\u5fa9\u300d\u8207\u300c\u5feb\u53d6\u5c1a\u672a\u5237\u65b0\u300d\u7684\u5dee\u5225\u3002\n  <\/p>\n<h2><strong>\u70ba\u9999\u6e2f\u4f3a\u670d\u5668\u69cb\u5efa DNS \u8b8a\u66f4\u8207\u56de\u6efe\u6d41\u7a0b<\/strong><\/h2>\n<p>\n    \u5c0d\u5f85 DNS \u64cd\u4f5c\uff0c\u8981\u50cf\u5c0d\u5f85\u7a0b\u5f0f\u78bc\u767c\u5e03\u4e00\u6a23\u56b4\u8b39\u3002\u5c0d\u4ee5\u9999\u6e2f\u70ba\u4e2d\u5fc3\u7684\u67b6\u69cb\u4f86\u8aaa\uff0c\u9019\u610f\u5473\u8457\u8a2d\u8a08\u80fd\u5728\u8de8\u5883\u5ef6\u9072\u548c\u7db2\u8def\u6296\u52d5\u4e0b\u4f9d\u7136\u5b89\u5168\u7684\u8b8a\u66f4\u8207\u56de\u6efe\u6d41\u7a0b\u3002\n  <\/p>\n<ol>\n<li>\n      <strong>\u5e36\u6709\u300c\u56de\u6efe\u9810\u7b97\u300d\u7684\u8b8a\u66f4\u8996\u7a97<\/strong><\/p>\n<ul>\n<li>\u5728\u95dc\u9375\u4eba\u54e1\u53ef\u4ee5\u5373\u6642\u89c0\u5bdf\u76e3\u63a7\u7684\u6642\u9593\u7a97\u5167\u57f7\u884c DNS \u4fee\u6539\u3002<\/li>\n<li>\u70ba\u6bcf\u6b21\u8b8a\u66f4\u8a2d\u5b9a\u4e00\u500b\u6642\u9593\u4e0a\u9650\uff0c\u5230\u9ede\u8981\u9ebc\u5fb9\u5e95\u56de\u6efe\uff0c\u8981\u9ebc\u7acb\u5373\u5347\u7d1a\u8655\u7406\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n      <strong>\u6f38\u9032\u5f0f\u7684\u6d41\u91cf\u5207\u63db<\/strong><\/p>\n<ul>\n<li>\u5982\u679c\u63a1\u7528\u591a A \u8a18\u9304\u6216\u6b0a\u91cd\u8def\u7531\uff0c\u53ef\u4ee5\u5148\u53ea\u9077\u79fb\u90e8\u5206\u6d41\u91cf\u3002<\/li>\n<li>\u5728\u653e\u5927\u91cf\u7d1a\u4e4b\u524d\uff0c\u89c0\u5bdf\u61c9\u7528\u5065\u5eb7\u5ea6\u8207\u908a\u7de3\u7bc0\u9ede\u6307\u6a19\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n      <strong>IPv4\uff0fIPv6 \u96d9\u68e7\u4e00\u9ad4\u5316\u898f\u5283<\/strong><\/p>\n<ul>\n<li>\u628a IPv4 \u8207 IPv6 \u8a18\u9304\u7684\u8b8a\u66f4\u7d0d\u5165\u540c\u4e00\u5957\u8a2d\u8a08\u4e2d\u3002<\/li>\n<li>\u78ba\u4fdd\u56de\u6efe\u6587\u4ef6\u6216\u8173\u672c\u540c\u6642\u6062\u5fa9\u5169\u500b\u65cf\uff0c\u800c\u4e0d\u662f\u53ea\u9867\u4e00\u7aef\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\n    \u628a DNS \u8b8a\u66f4\u8996\u70ba\u4e00\u6b21\u5206\u6563\u5f0f\u914d\u7f6e\u767c\u5e03\u3002\u5b89\u5168\u7684\u767c\u5e03\u5fc5\u7136\u6709\u6e05\u6670\u7684\u56de\u6efe\u8def\u5f91\uff1b\u6c92\u6709\u56de\u6efe\u7684\u767c\u5e03\uff0c\u672c\u8cea\u4e0a\u662f\u5728\u8ced\u904b\u6c23\u3002\n  <\/p>\n<h2><strong>\u56de\u6efe\u5f8c\u7684\u9a57\u8b49\u6e05\u55ae<\/strong><\/h2>\n<p>\n    \u57f7\u884c\u5b8c\u56de\u6efe\u5f8c\uff0c\u4e0d\u8981\u5728\u9996\u9801\u80fd\u6253\u958b\u7684\u90a3\u4e00\u523b\u5c31\u6025\u8457\u5ba3\u5e03\u300c\u4e8b\u4ef6\u7d50\u675f\u300d\u3002DNS \u554f\u984c\u5f80\u5f80\u6703\u7559\u4e0b\u53ea\u80fd\u5728\u771f\u5be6\u6d41\u91cf\u6a21\u5f0f\u4e0b\u624d\u986f\u9732\u51fa\u4f86\u7684\u96b1\u60a3\u3002\u4e00\u4efd\u7cbe\u7c21\u7684\u6aa2\u67e5\u6e05\u55ae\u53ef\u4ee5\u5e6b\u52a9\u4f60\u907f\u514d\u907a\u6f0f\u3002\n  <\/p>\n<ol>\n<li>\n      <strong>\u529f\u80fd\u5c64\u9762\u6aa2\u67e5<\/strong><\/p>\n<ul>\n<li>\u5f9e\u591a\u500b\u5730\u5340\u9a57\u8b49\u6838\u5fc3\u696d\u52d9\u6d41\u7a0b\uff1a\u767b\u5165\u3001\u652f\u4ed8\uff0f\u7d50\u7b97\u3001\u63a7\u5236\u53f0\u3001API \u547c\u53eb\u7b49\u3002<\/li>\n<li>\u78ba\u8a8d\u8acb\u6c42\u5be6\u969b\u4e0a\u78ba\u5be6\u843d\u5728\u4f60\u9810\u671f\u7684\u9999\u6e2f\u7bc0\u9ede\u6216\u908a\u7de3\u7bc0\u9ede\u4e0a\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n      <strong>\u5354\u5b9a\u8207 TLS \u6aa2\u67e5<\/strong><\/p>\n<ul>\n<li>\u57f7\u884c TLS \u8a3a\u65b7\uff0c\u78ba\u8b49\u6191\u8b49\u8207\u76ee\u524d\u89e3\u6790\u51fa\u7684\u4e3b\u6a5f\u540d\u7a31\u76f8\u7b26\u3002<\/li>\n<li>\u6aa2\u67e5\u662f\u5426\u51fa\u73fe\u6df7\u5408\u5167\u5bb9\u554f\u984c\u6216\u8b8a\u66f4\u9031\u671f\u88e1\u5f15\u5165\u7684\u932f\u8aa4\u91cd\u65b0\u5c0e\u5411\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n      <strong>\u76e3\u63a7\u8207\u65e5\u8a8c<\/strong><\/p>\n<ul>\n<li>\u5728\u81f3\u5c11\u5e7e\u500b TTL \u9031\u671f\u5167\uff0c\u95dc\u6ce8\u932f\u8aa4\u7387\u3001\u56de\u61c9\u6642\u9593\u4ee5\u53ca\u8cc7\u6e90\u98fd\u548c\u5ea6\u3002<\/li>\n<li>\u6aa2\u67e5\u65e5\u8a8c\uff0c\u78ba\u8a8d\u6d41\u91cf\u5206\u5e03\u662f\u5426\u8207\u4e8b\u6545\u524d\u57fa\u7dda\u5927\u81f4\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n      <strong>\u641c\u5c0b\u8207\u6536\u9304\u5f71\u97ff<\/strong><\/p>\n<ul>\n<li>\u6aa2\u67e5\u662f\u5426\u51fa\u73fe\u722c\u87f2\u932f\u8aa4\u9ad8\u5cf0\uff0c\u5c24\u5176\u662f 4xx \u8207 5xx \u72c0\u614b\u78bc\u3002<\/li>\n<li>\u900f\u904e\u7ad9\u9577\u5de5\u5177\u78ba\u8a8d\u641c\u5c0b\u5f15\u64ce\u4ecd\u7136\u53ef\u4ee5\u900f\u904e\u6062\u5fa9\u5f8c\u7684 DNS \u8def\u5f91\u6293\u53d6\u5167\u5bb9\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\n    \u628a\u6240\u6709\u7d30\u7bc0\u8a18\u9304\u4e0b\u4f86\uff1a\u5177\u9ad4\u8b8a\u66f4\u5167\u5bb9\u3001\u5be6\u969b\u5f71\u97ff\u3001\u56de\u6efe\u6b65\u9a5f\u4ee5\u53ca\u6700\u7d42\u9a57\u8b49\u7d50\u679c\u3002\u9019\u4e9b\u8a18\u9304\u6703\u6c89\u6fb1\u6210\u66f4\u6210\u719f\u7684\u4e0b\u4e00\u6b21\u4e8b\u4ef6\u8655\u7406\u5287\u672c\u3002\n  <\/p>\n<h2><strong>\u570d\u7e5e\u9999\u6e2f\u4f3a\u670d\u5668\u6700\u4f73\u5316 DNS \u67b6\u69cb<\/strong><\/h2>\n<p>\n    \u7576\u4f60\u7684 DNS \u67b6\u69cb\u662f\u6709\u610f\u8b58\u5730\u570d\u7e5e\u300c\u9999\u6e2f\u57fa\u790e\u8a2d\u65bd\u5728\u8ca0\u8f09\u8207\u6545\u969c\u4e0b\u7684\u8868\u73fe\u300d\u4f86\u8a2d\u8a08\u7684\uff0c\u56de\u6efe\u64cd\u4f5c\u81ea\u7136\u5c31\u6703\u8f15\u9b06\u8a31\u591a\u3002\u4f60\u53ef\u4ee5\u9810\u5148\u8a2d\u8a08\u597d\u300c\u512a\u96c5\u56de\u9000\u300d\u7684\u8def\u5f91\uff0c\u800c\u4e0d\u662f\u5728\u6700\u5f8c\u4e00\u523b\u88ab\u8feb\u61c9\u6025\u3002\n  <\/p>\n<ul>\n<li>\n      <strong>\u9078\u64c7\u5340\u57df\u8986\u84cb\u826f\u597d\u7684\u89e3\u6790\u670d\u52d9<\/strong><br \/>\n      \u5728\u9999\u6e2f\u53ca\u5468\u908a\u5730\u5340\u64c1\u6709\u826f\u597d\u9023\u901a\u6027\u7684\u670d\u52d9\u5546\uff0c\u6703\u6e1b\u5c11\u50b3\u64ad\u7570\u5e38\uff1b\u5728\u56de\u6efe\u671f\u9593\uff0c\u4e5f\u66f4\u5bb9\u6613\u63a8\u65b7\u89e3\u6790\u884c\u70ba\u3002\n    <\/li>\n<li>\n      <strong>\u5340\u5206\u6e2c\u8a66\u8207\u751f\u7522\u5340\u57df<\/strong><br \/>\n      \u4f7f\u7528\u540c\u4e00 DNS \u670d\u52d9\u5546\u8207\u76f8\u540c\u7684\u914d\u7f6e\u6a21\u5f0f\uff0c\u70ba\u9810\u767c\u5e03\u74b0\u5883\u7dad\u8b77\u7368\u7acb\u7684\u5b50\u7db2\u57df\u6216\u5340\u57df\u3002\u5728\u9019\u4e9b\u74b0\u5883\u4e2d\u5148\u6f14\u7df4\u56de\u6efe\u6d41\u7a0b\u3002\n    <\/li>\n<li>\n      <strong>\u5229\u7528\u57fa\u790e\u8a2d\u65bd\u5373\u7a0b\u5f0f\u78bc<\/strong><br \/>\n      \u628a DNS \u8a18\u9304\u5beb\u9032\u7a0b\u5f0f\u78bc\uff0c\u4f7f\u56de\u6efe\u8b8a\u6210\u4e00\u6b21\u6709\u7248\u672c\u865f\u7684\u63d0\u4ea4\uff0c\u800c\u4e0d\u662f\u63a7\u5236\u53f0\u88e1\u7684\u624b\u5de5\u7de8\u8f2f\u3002\u8207 CI \u6d41\u6c34\u7dda\u6574\u5408\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5728\u9ad8\u58d3\u5fa9\u539f\u5834\u666f\u4e0b\u986f\u8457\u964d\u4f4e\u4eba\u70ba\u932f\u8aa4\u3002\n    <\/li>\n<\/ul>\n<p>\n    \u7576\u4f60\u628a DNS \u8996\u70ba\u6280\u8853\u5806\u758a\u4e2d\u7684\u4e00\u7b49\u516c\u6c11\u4f86\u5c0d\u5f85\u6642\uff0c\u56de\u6efe\u5c31\u4e0d\u518d\u662f\u300c\u6551\u706b\u300d\u7684\u61c9\u6025\u6280\u80fd\uff0c\u800c\u6703\u6f14\u5316\u6210\u65e5\u5e38\u904b\u7dad\u64cd\u4f5c\u7684\u4e00\u90e8\u5206\u3002\n  <\/p>\n<h2><strong>\u5de5\u7a0b\u5e2b\u8996\u89d2\u4e0b\u7684\u5be6\u6230\u8981\u9ede<\/strong><\/h2>\n<p>\n    \u5c0d\u65bc\u5728\u9999\u6e2f\u4f3a\u670d\u5668\u4e0a\u627f\u8f09\u95dc\u9375\u696d\u52d9\u7684\u5de5\u7a0b\u5718\u968a\u4f86\u8aaa\uff0c\u61c9\u8a72\u7528\u300c\u6545\u969c\u57df\u300d\u548c\u300c\u5fa9\u539f\u6642\u9593\u76ee\u6a19\u300d\u7684\u8996\u89d2\u4f86\u770b\u5f85 DNS\u3002\u554f\u984c\u4e0d\u5728\u65bc\u8b8a\u66f4\u662f\u5426\u6703\u51fa\u932f\uff0c\u800c\u5728\u65bc\u51fa\u932f\u6642\u4f60\u80fd\u4ee5\u591a\u5feb\u7684\u901f\u5ea6\u3001\u4ee5\u591a\u53ef\u63a7\u7684\u65b9\u5f0f\u628a\u72c0\u614b\u62c9\u56de\u3002\n  <\/p>\n<ul>\n<li>\u6bcf\u6b21\u8b8a\u66f4\u524d\u52d9\u5fc5\u5c0d\u5340\u57df\u914d\u7f6e\u505a\u4e00\u6b21\u5feb\u7167\u3002<\/li>\n<li>\u5728\u9ad8\u98a8\u96aa\u8b8a\u66f4\u524d\u4f7f\u7528\u4fdd\u5b88\u7684\u77ed TTL\u3002<\/li>\n<li>\u5c07\u7c21\u55ae\u3001\u53ef\u91cd\u73fe\u7684\u56de\u6efe\u8def\u5f91\u6587\u4ef6\u5316\u3002<\/li>\n<li>\u5f9e\u591a\u500b\u5730\u5340\u9032\u884c\u9a57\u8b49\uff0c\u800c\u4e0d\u662f\u53ea\u5f9e\u8fa6\u516c\u5ba4\u7684\u55ae\u4e00\u51fa\u53e3\u6e2c\u8a66\u3002<\/li>\n<li>\u628a\u6bcf\u6b21\u4e8b\u6545\u5fa9\u76e4\u51fa\u7684\u7d93\u9a57\uff0c\u6301\u7e8c\u56de\u994b\u5230\u81ea\u52d5\u5316\u8207\u5de5\u5177\u9ad4\u7cfb\u4e2d\u3002<\/li>\n<\/ul>\n<p>\n    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