DNS/TCP/twitter.comについて、ここに記述してください。
$ dig a twitter.com
; <<>> DiG 9.7.1-P2 <<>> a twitter.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 32137 ;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 4, ADDITIONAL: 0 ;; QUESTION SECTION: ;twitter.com. IN A ;; ANSWER SECTION: twitter.com. 30 IN A 199.59.148.10 twitter.com. 30 IN A 199.59.149.230 twitter.com. 30 IN A 199.59.149.198 ;; AUTHORITY SECTION: twitter.com. 86400 IN NS ns4.p34.dynect.net. twitter.com. 86400 IN NS ns3.p34.dynect.net. twitter.com. 86400 IN NS ns1.p34.dynect.net. twitter.com. 86400 IN NS ns2.p34.dynect.net. ;; Query time: 183 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Wed Jun 8 07:20:52 2011 ;; MSG SIZE rcvd: 163
$ dig any twitter.com --- TCP ---
;; Truncated, retrying in TCP mode. ; <<>> DiG 9.7.1-P2 <<>> any twitter.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 43087 ;; flags: qr rd ra; QUERY: 1, ANSWER: 19, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;twitter.com. IN ANY ;; ANSWER SECTION: twitter.com. 30 IN SOA ns1.p26.dynect.net. zone-admin.dyndns.com. 2007110406 3600 600 604800 60 twitter.com. 600 IN MX 20 alt2.aspmx.l.google.com. twitter.com. 600 IN MX 30 ASPMX2.GOOGLEMAIL.com. twitter.com. 600 IN MX 30 ASPMX3.GOOGLEMAIL.com. twitter.com. 600 IN MX 10 aspmx.l.google.com. twitter.com. 600 IN MX 20 alt1.aspmx.l.google.com. twitter.com. 30 IN A 199.59.148.82 twitter.com. 30 IN A 199.59.149.198 twitter.com. 30 IN A 199.59.149.203 twitter.com. 30 IN A 199.59.149.230 twitter.com. 30 IN A 199.59.149.235 twitter.com. 30 IN A 199.59.148.10 twitter.com. 30 IN A 199.59.148.14 twitter.com. 30 IN A 199.59.148.81 twitter.com. 600 IN TXT "v=spf1 ip4:199.16.156.0/22 ip4:199.59.148.0/22 ip4:128.121.145.168 ip4:128.121.146.128/27 mx ptr a:postmaster.twitter.com a:ham-cannon.twitter.com mx:one.textdrive.com include:cmail1.com include:aspmx.googlemail.com include:support.zendesk.com -all" twitter.com. 86400 IN NS ns3.p34.dynect.net. twitter.com. 86400 IN NS ns4.p34.dynect.net. twitter.com. 86400 IN NS ns2.p34.dynect.net. twitter.com. 86400 IN NS ns1.p34.dynect.net. ;; Query time: 0 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Wed Jun 8 07:21:01 2011 ;; MSG SIZE rcvd: 696