dig
dig @<name server> <domain name>
[root@testing neo]# dig @202.96.134.133 netkiller.8800.org ; <<>> DiG 9.2.4 <<>> @202.96.134.133 netkiller.8800.org ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 47971 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2 ;; QUESTION SECTION: ;netkiller.8800.org. IN A ;; ANSWER SECTION: netkiller.8800.org. 14353 IN A 220.201.35.11 ;; AUTHORITY SECTION: 8800.org. 86398 IN NS ns1.3322.net. 8800.org. 86398 IN NS ns2.3322.net. ;; ADDITIONAL SECTION: ns1.3322.net. 166302 IN A 61.177.95.125 ns2.3322.net. 166298 IN A 222.185.245.254 ;; Query time: 4 msec ;; SERVER: 202.96.134.133#53(202.96.134.133) ;; WHEN: Fri May 11 22:25:54 2007 ;; MSG SIZE rcvd: 128 [root@testing neo]#
$ dig any google.com ; <<>> DiG 9.7.0-P1 <<>> any google.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 3225 ;; flags: qr rd ra; QUERY: 1, ANSWER: 21, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;google.com. IN ANY ;; ANSWER SECTION: google.com. 300 IN A 74.125.71.104 google.com. 300 IN A 74.125.71.99 google.com. 300 IN A 74.125.71.106 google.com. 300 IN A 74.125.71.105 google.com. 300 IN A 74.125.71.103 google.com. 300 IN A 74.125.71.147 google.com. 86400 IN SOA ns1.google.com. dns-admin.google.com. 2011128000 7200 1800 1209600 300 google.com. 3600 IN TXT "v=spf1 include:_netblocks.google.com ip4:216.73.93.70/31 ip4:216.73.93.72/31 ~all" google.com. 345600 IN NS ns2.google.com. google.com. 600 IN MX 20 alt1.aspmx.l.google.com. google.com. 345600 IN NS ns1.google.com. google.com. 345600 IN NS ns4.google.com. google.com. 345600 IN NS ns3.google.com. google.com. 600 IN MX 10 aspmx.l.google.com. google.com. 600 IN MX 40 alt3.aspmx.l.google.com. google.com. 600 IN MX 30 alt2.aspmx.l.google.com. google.com. 600 IN MX 50 alt4.aspmx.l.google.com. google.com. 300 IN A 74.125.71.104 google.com. 300 IN A 74.125.71.99 google.com. 300 IN A 74.125.71.106 google.com. 300 IN A 74.125.71.105 ;; Query time: 432 msec ;; SERVER: 208.67.222.222#53(208.67.222.222) ;; WHEN: Tue Nov 29 18:06:43 2011 ;; MSG SIZE rcvd: 508
$ dig ns google.com ; <<>> DiG 9.7.0-P1 <<>> ns google.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 57275 ;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;google.com. IN NS ;; ANSWER SECTION: google.com. 171085 IN NS ns2.google.com. google.com. 171085 IN NS ns1.google.com. google.com. 171085 IN NS ns3.google.com. google.com. 171085 IN NS ns4.google.com. ;; Query time: 402 msec ;; SERVER: 208.67.222.222#53(208.67.222.222) ;; WHEN: Tue Nov 29 18:06:07 2011 ;; MSG SIZE rcvd: 100
$ dig google.com A ; <<>> DiG 9.7.0-P1 <<>> google.com A ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 35608 ;; flags: qr rd ra; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;google.com. IN A ;; ANSWER SECTION: google.com. 254 IN A 74.125.71.106 google.com. 254 IN A 74.125.71.104 google.com. 254 IN A 74.125.71.99 google.com. 254 IN A 74.125.71.105 google.com. 254 IN A 74.125.71.147 google.com. 254 IN A 74.125.71.103 ;; Query time: 0 msec ;; SERVER: 172.16.3.52#53(172.16.3.52) ;; WHEN: Wed Feb 8 09:47:36 2012 ;; MSG SIZE rcvd: 124
$ dig mx google.com ; <<>> DiG 9.7.0-P1 <<>> mx google.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27428 ;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;google.com. IN MX ;; ANSWER SECTION: google.com. 525 IN MX 10 aspmx.l.google.com. google.com. 525 IN MX 20 alt1.aspmx.l.google.com. google.com. 525 IN MX 40 alt3.aspmx.l.google.com. google.com. 525 IN MX 30 alt2.aspmx.l.google.com. google.com. 525 IN MX 50 alt4.aspmx.l.google.com. ;; Query time: 359 msec ;; SERVER: 208.67.222.222#53(208.67.222.222) ;; WHEN: Tue Nov 29 18:05:54 2011 ;; MSG SIZE rcvd: 136
$ dig www.google.com cname ; <<>> DiG 9.7.0-P1 <<>> www.google.com cname ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 29361 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;www.google.com. IN CNAME ;; ANSWER SECTION: www.google.com. 600516 IN CNAME www.l.google.com. ;; Query time: 186 msec ;; SERVER: 172.16.3.52#53(172.16.3.52) ;; WHEN: Wed Feb 8 09:49:00 2012 ;; MSG SIZE rcvd: 52
neo@netkiller:~$ dig 163.com txt ; <<>> DiG 9.9.5-11ubuntu1.2-Ubuntu <<>> 163.com txt ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 7940 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;163.com. IN TXT ;; ANSWER SECTION: 163.com. 2544 IN TXT "v=spf1 include:spf.163.com -all" ;; Query time: 39 msec ;; SERVER: 8.8.8.8#53(8.8.8.8) ;; WHEN: Wed Feb 24 10:24:58 HKT 2016 ;; MSG SIZE rcvd: 80
$ dig -x 8.8.8.8 ; <<>> DiG 9.7.0-P1 <<>> -x 8.8.8.8 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 5101 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;8.8.8.8.in-addr.arpa. IN PTR ;; ANSWER SECTION: 8.8.8.8.in-addr.arpa. 61329 IN PTR google-public-dns-a.google.com. ;; Query time: 186 msec ;; SERVER: 172.16.3.52#53(172.16.3.52) ;; WHEN: Wed Feb 8 09:53:47 2012 ;; MSG SIZE rcvd: 82
-qt=ns 查看NS记录
C:\Users\neo>nslookup -qt=ns 163.com 服务器: resolver1.opendns.com Address: 208.67.222.222 非权威应答: 163.com nameserver = ns3.nease.net 163.com nameserver = ns2.nease.net 163.com nameserver = ns4.nease.net
C:\Users\neo>nslookup -qt=ns 163.com 服务器: ns.szptt.net.cn Address: 202.96.134.133 非权威应答: 163.com nameserver = ns3.nease.net 163.com nameserver = ns4.nease.net 163.com nameserver = ns2.nease.net ns4.nease.net internet address = 61.135.255.140 ns2.nease.net internet address = 114.113.197.12 ns3.nease.net internet address = 220.181.28.4
C:\Users\neo>nslookup -qt=mx 163.com 服务器: ns.szptt.net.cn Address: 202.96.134.133 非权威应答: 163.com MX preference = 10, mail exchanger = 163mx03.mxmail.netease.com 163.com MX preference = 10, mail exchanger = 163mx04.mxmail.netease.com 163.com MX preference = 50, mail exchanger = 163mx00.mxmail.netease.com 163.com MX preference = 10, mail exchanger = 163mx01.mxmail.netease.com 163.com MX preference = 10, mail exchanger = 163mx02.mxmail.netease.com 163mx04.mxmail.netease.com internet address = 220.181.12.78 163mx04.mxmail.netease.com internet address = 220.181.12.79 163mx04.mxmail.netease.com internet address = 220.181.12.80 163mx04.mxmail.netease.com internet address = 220.181.12.81 163mx04.mxmail.netease.com internet address = 220.181.12.83 163mx04.mxmail.netease.com internet address = 220.181.12.84 163mx04.mxmail.netease.com internet address = 220.181.12.85 163mx04.mxmail.netease.com internet address = 220.181.12.70 163mx04.mxmail.netease.com internet address = 220.181.12.71 163mx04.mxmail.netease.com internet address = 220.181.12.72 163mx04.mxmail.netease.com internet address = 220.181.12.76 163mx04.mxmail.netease.com internet address = 220.181.12.77 163mx00.mxmail.netease.com internet address = 220.181.12.87 163mx00.mxmail.netease.com internet address = 220.181.12.88 163mx00.mxmail.netease.com internet address = 220.181.12.89 163mx00.mxmail.netease.com internet address = 220.181.12.90 163mx00.mxmail.netease.com internet address = 220.181.12.91 163mx00.mxmail.netease.com internet address = 220.181.12.52 163mx00.mxmail.netease.com internet address = 220.181.12.53 163mx00.mxmail.netease.com internet address = 220.181.12.55 163mx00.mxmail.netease.com internet address = 220.181.12.56 163mx00.mxmail.netease.com internet address = 220.181.12.57
原文出处：Netkiller 系列 手札
本文作者：陈景峯
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