{"id":27894,"date":"2024-08-07T01:34:16","date_gmt":"2024-08-07T06:34:16","guid":{"rendered":"https:\/\/www.dotcom-monitor.com\/%e4%bd%bf%e7%94%a8%e7%bd%91%e7%bb%9c%e7%9b%91%e8%a7%86%e5%99%a8%e5%ad%a6%e4%b9%a0\/%e6%9c%af%e8%af%ad%e8%a1%a8\/%e4%bb%80%e4%b9%88%e6%98%af-dns-%e7%9b%91%e6%8e%a7%ef%bc%9f\/"},"modified":"2026-08-10T16:58:59","modified_gmt":"2026-08-10T21:58:59","slug":"%e4%bb%80%e4%b9%88%e6%98%af-dns-%e7%9b%91%e6%8e%a7%ef%bc%9f","status":"publish","type":"page","link":"https:\/\/www.dotcom-monitor.com\/zh-hans\/%e4%bd%bf%e7%94%a8%e7%bd%91%e7%bb%9c%e7%9b%91%e8%a7%86%e5%99%a8%e5%ad%a6%e4%b9%a0\/%e6%9c%af%e8%af%ad%e8%a1%a8\/%e4%bb%80%e4%b9%88%e6%98%af-dns-%e7%9b%91%e6%8e%a7%ef%bc%9f\/","title":{"rendered":"\u4ec0\u4e48\u662f DNS \u76d1\u63a7\uff1f"},"content":{"rendered":"\t\t
\u75c7\u72b6<\/div><\/div><\/div><\/th> \u53ef\u80fd\u539f\u56e0<\/div><\/div><\/div><\/th> \u68c0\u67e5\u4e8b\u9879<\/div><\/div><\/div><\/th><\/tr><\/thead>\n\t\t\t\t\t\t\t\t \u57df\u540d\/\u4e3b\u673a\u540d\u5b8c\u5168\u65e0\u6cd5\u89e3\u6790\uff08\u8d85\u65f6\uff09<\/div><\/div><\/div><\/td> \u6743\u5a01 DNS \u5b95\u673a\uff0c\u9632\u706b\u5899\u963b\u6b62 UDP\/TCP 53\uff0cDDoS\uff0c\u63d0\u4f9b\u5546\u4e8b\u6545<\/div><\/div><\/div><\/td> \u76f4\u63a5\u67e5\u8be2\u6bcf\u4e2a\u6743\u5a01\u540d\u79f0\u670d\u52a1\u5668\uff08NS\uff09\uff1b\u6d4b\u8bd5 UDP \u548c TCP\uff1b\u68c0\u67e5 DNS \u63d0\u4f9b\u5546\u72b6\u6001\uff1b\u9a8c\u8bc1\u9632\u706b\u5899\/\u901f\u7387\u9650\u5236<\/div><\/div><\/div><\/td><\/tr> \u95f4\u6b47\u6027\u6545\u969c\uff08\u6709\u65f6\u5de5\u4f5c\uff0c\u6709\u65f6\u5931\u8d25\uff09<\/div><\/div><\/div><\/td> \u67d0\u4e2a NS \u5b95\u673a\uff0c\u533a\u57df\u6570\u636e\u4e0d\u4e00\u81f4\uff0c\u7f51\u7edc\u8def\u5f84\u4e0d\u7a33\u5b9a\uff0c\u901f\u7387\u9650\u5236<\/div><\/div><\/div><\/td> \u53cd\u590d\u67e5\u8be2\u6bcf\u4e2a NS\uff1b\u6bd4\u8f83\u54cd\u5e94\uff1b\u68c0\u67e5\u533a\u57df\u4e2d NS \u5065\u5eb7\/\u5ef6\u8fdf\uff1b\u67e5\u770b\u901f\u7387\u9650\u5236\u8bbe\u7f6e<\/div><\/div><\/div><\/td><\/tr> \u89e3\u6790\u5668\u8fd4\u56de SERVFAIL<\/div><\/div><\/div><\/td> DNSSEC \u9a8c\u8bc1\u5931\u8d25\uff0c\u533a\u57df\u635f\u574f\uff0c\u4ee3\u7406\u59d4\u6d3e\uff0c \u4e0a\u6e38\u89e3\u6790\u5668\u95ee\u9898<\/div><\/div><\/div><\/td> \u6d4b\u8bd5\u591a\u4e2a\u89e3\u6790\u5668\uff1b\u67e5\u8be2\u6743\u5a01 NS\uff1b\u9a8c\u8bc1 DNSSEC \u94fe\uff08DS\/DNSKEY\/\u7b7e\u540d\uff09\uff1b\u786e\u8ba4\u6b63\u786e\u7684\u59d4\u6d3e<\/div><\/div><\/div><\/td><\/tr> \u672c\u5e94\u5b58\u5728\u7684\u4e3b\u673a\u540d\u8fd4\u56de NXDOMAIN<\/div><\/div><\/div><\/td> \u8bb0\u5f55\u7f3a\u5931\uff0c\u9519\u8bef\u7684\u533a\u57df\/\u63d0\u4f9b\u5546\uff0c\u62fc\u5199\u9519\u8bef\uff0c\u5206\u88c2\u89c6\u56fe DNS\uff0c\u7f13\u5b58\u6df7\u6dc6<\/div><\/div><\/div><\/td> \u67e5\u8be2\u7cbe\u786e\u4e3b\u673a\u540d\u7684\u6743\u5a01 NS\uff1b\u786e\u8ba4\u8bb0\u5f55\u5b58\u5728\u4e8e\u6b63\u786e\u533a\u57df\uff1b\u68c0\u67e5\u5206\u88c2\u89c6\u56fe\uff1b\u9a8c\u8bc1\u62fc\u5199<\/div><\/div><\/div><\/td><\/tr> \u89e3\u6790\uff0c\u4f46\u6307\u5411\u9519\u8bef\u7684 IP\/\u76ee\u6807<\/div><\/div><\/div><\/td> A\/AAAA\/CNAME \u9519\u8bef\uff0c\u7f13\u5b58\u9648\u65e7\uff0cCDN\/\u6d41\u91cf\u5f15\u5bfc\u914d\u7f6e\u9519\u8bef\uff0c\u52ab\u6301\/\u672a\u6388\u6743\u66f4\u6539<\/div><\/div><\/div><\/td> \u8de8\u533a\u57df\/\u89e3\u6790\u5668\u6bd4\u8f83\uff1b\u68c0\u67e5\u6743\u5a01\u7b54\u6848\uff1b\u5ba1\u67e5\u6700\u8fd1 DNS \u53d8\u66f4\uff1b\u9a8c\u8bc1\u6ce8\u518c\u5546\u548c NS \u672a\u53d8\u66f4<\/div><\/div><\/div><\/td><\/tr> DNS \u867d\u201c\u6b63\u5e38\u201d\uff0c\u4f46\u975e\u5e38\u7f13\u6162\uff08\u67e5\u8be2\u65f6\u95f4\u957f\uff09<\/div><\/div><\/div><\/td> \u89e3\u6790\u5668\u8fc7\u8f7d\uff0c\u6743\u5a01\u670d\u52a1\u5668\u7f13\u6162\/\u8ddd\u79bb\u8fdc\uff0cAnycast \u8def\u7531\u95ee\u9898\uff0c\u4e22\u5305\uff0c\u54cd\u5e94\u8fc7\u5927\/EDNS \u95ee\u9898<\/div><\/div><\/div><\/td> \u8ddf\u8e2a\u533a\u57df p95 \u5ef6\u8fdf\uff1b\u6bd4\u8f83\u9012\u5f52\u4e0e\u6743\u5a01\u65f6\u95f4\uff1b\u6d4b\u8bd5\u4e0d\u540c\u89e3\u6790\u5668\uff1b\u68c0\u67e5\u54cd\u5e94\u5927\u5c0f\/EDNS\uff1b\u67e5\u627e\u4e22\u5305\u60c5\u51b5<\/div><\/div><\/div><\/td><\/tr> \u53d8\u66f4\u672a\u6309\u9884\u671f\u4f20\u64ad<\/div><\/div><\/div><\/td> TTL \u8fc7\u9ad8\uff0c\u7f13\u5b58\u7ed3\u679c\uff0c\u8fc7\u65f6\u4e8c\u7ea7\u533a\u57df\uff0c\u67e5\u8be2\u4e0d\u540c\u89e3\u6790\u5668<\/div><\/div><\/div><\/td> \u68c0\u67e5TTL\uff1b\u5148\u9a8c\u8bc1\u6743\u5a01NS\uff1b\u786e\u8ba4SOA\u5e8f\u5217\u53f7\u589e\u52a0\uff1b\u786e\u4fdd\u6240\u6709NS\u63d0\u4f9b\u65b0\u6570\u636e\uff1b\u6d4b\u8bd5\u591a\u4e2a\u89e3\u6790\u5668\/\u533a\u57df<\/div><\/div><\/div><\/td><\/tr> \u5bf9\u90e8\u5206\u7528\u6237\/\u533a\u57df\u6709\u6548\uff0c\u5bf9\u5176\u4ed6\u65e0\u6548<\/div><\/div><\/div><\/td> GeoDNS\/Anycast\u4e0d\u5e73\u8861\uff0c\u90e8\u5206\u6545\u969c\uff0c\u5206\u5272\u89c6\u56feDNS\uff0cISP\u89e3\u6790\u5668\u95ee\u9898<\/div><\/div><\/div><\/td> \u8fd0\u884c\u591a\u533a\u57df\u68c0\u67e5\uff1b\u6bd4\u8f83ISP\u4e0e\u516c\u5171\u89e3\u6790\u5668\uff1b\u9a8c\u8bc1GeoDNS\u89c4\u5219\uff1b\u68c0\u67e5\u63d0\u4f9b\u5546POP\/\u533a\u57df\u964d\u7ea7<\/div><\/div><\/div><\/td><\/tr> \u90ae\u4ef6\u6295\u9012\u5931\u8d25\uff08\u4e0eMX\u76f8\u5173\uff09<\/div><\/div><\/div><\/td> \u7f3a\u5931\/\u9519\u8bef\u7684MX\uff0c\u4f18\u5148\u7ea7\u9519\u8bef\uff0c\u90ae\u4ef6\u4e3b\u673a\u65e0\u6cd5\u89e3\u6790\uff0cSPF\/DKIM\/DMARC TXT\u95ee\u9898<\/div><\/div><\/div><\/td> \u9a8c\u8bc1MX\u8bb0\u5f55\u53ca\u4f18\u5148\u7ea7\u987a\u5e8f\uff1b\u786e\u8ba4\u90ae\u4ef6\u4e3b\u673a\u540d\u80fd\u89e3\u6790\uff1b\u9a8c\u8bc1SPF\/DKIM\/DMARC\uff1b\u786e\u8ba4\u4f20\u64ad<\/div><\/div><\/div><\/td><\/tr> CNAME\u5faa\u73af\u6216\u8bb0\u5f55\u7c7b\u578b\u51b2\u7a81<\/div><\/div><\/div><\/td> CNAME\u94fe\u5faa\u73af\uff0cA\u8bb0\u5f55\u548cCNAME\u51b2\u7a81\uff0c\u76ee\u6807\/CDN\u914d\u7f6e\u9519\u8bef<\/div><\/div><\/div><\/td> \u9010\u6b65\u8ddf\u8e2aCNAME\u94fe\uff1b\u786e\u4fdd\u65e0\u5faa\u73af\u5f15\u7528\uff1b\u786e\u8ba4\u672a\u5728\u4e0d\u5141\u8bb8\u4f7f\u7528CNAME\u7684\u5730\u65b9\uff08\u6839\u57df\uff09\u4f7f\u7528CNAME<\/div><\/div><\/div><\/td><\/tr> DNSSEC\u76f8\u5173\u6545\u969c<\/div><\/div><\/div><\/td> DS\/DNSKEY\u4e0d\u5339\u914d\uff0c\u7b7e\u540d\u8fc7\u671f\uff0c\u5bc6\u94a5\u66f4\u6362\u9519\u8bef<\/div><\/div><\/div><\/td> \u786e\u8ba4\u6ce8\u518c\u5546\u7684DS\u4e0eDNSKEY\u5339\u914d\uff1b\u68c0\u67e5\u7b7e\u540d\u6709\u6548\u671f\/\u8fc7\u671f\uff1b\u5ba1\u67e5DNSSEC\u66f4\u6362\u53d8\u66f4\uff1b\u7528\u591a\u4e2a\u89e3\u6790\u5668\u9a8c\u8bc1<\/div><\/div><\/div><\/td><\/tr> \u5927\u578bTXT\u54cd\u5e94\u5931\u8d25\u6216\u622a\u65ad<\/div><\/div><\/div><\/td> UDP\u5206\u7247\u88ab\u963b\uff0cMTU\u95ee\u9898\uff0cEDNS\u914d\u7f6e\u9519\u8bef\uff0cTCP\/53\u7aef\u53e3\u88ab\u5c01<\/div><\/div><\/div><\/td> \u68c0\u67e5\u622a\u65ad\uff08TC\u6807\u5fd7\uff09\uff1b\u91cd\u8bd5TCP\uff1b\u786e\u4fddTCP\/53\u5141\u8bb8\uff1b\u5c3d\u91cf\u51cf\u5c0f\u8bb0\u5f55\u5927\u5c0f\uff1b\u9a8c\u8bc1EDNS\u8bbe\u7f6e<\/div><\/div><\/div><\/td><\/tr><\/tbody>\n\t\t\t<\/table>\n\t\t<\/div>\n\n\t\t<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t \n\t\t\t\t \n\t\t\t\t\t\t\t\t\t \u5b9e\u65bdDNS\u76d1\u63a7<\/h2>\n
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