nslookup, digコマンドで名前解決調査

a     :ipアドレス

any : 全ての情報

mx  : メールサーバーの情報

ns   : ネームサーバーの情報

[admin@localhost ~]$ dig  yahoo.co.jp a

; <<>> DiG 9.3.3rc2 <<>> yahoo.co.jp a
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 13855
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;yahoo.co.jp.                   IN      A

;; ANSWER SECTION:
yahoo.co.jp.            150     IN      A       124.83.139.192
yahoo.co.jp.            150     IN      A       203.216.227.176

;; Query time: 10 msec
;; SERVER: 192.168.11.1#53(192.168.11.1)
;; WHEN: Sun Dec  9 00:25:28 2007
;; MSG SIZE  rcvd: 61

[admin@localhost ~]$ dig  yahoo.co.jp mx

; <<>> DiG 9.3.3rc2 <<>> yahoo.co.jp mx
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 42981
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;yahoo.co.jp.                   IN      MX

;; ANSWER SECTION:
yahoo.co.jp.            250     IN      MX      10 mx3.mail.yahoo.co.jp.
yahoo.co.jp.            250     IN      MX      10 mx5.mail.yahoo.co.jp.
yahoo.co.jp.            250     IN      MX      10 mx1.mail.yahoo.co.jp.
yahoo.co.jp.            250     IN      MX      10 mx2.mail.yahoo.co.jp.

;; Query time: 10 msec
;; SERVER: 192.168.11.1#53(192.168.11.1)
;; WHEN: Sun Dec  9 00:25:33 2007
;; MSG SIZE  rcvd: 114

[admin@localhost ~]$ dig  yahoo.co.jp ns

; <<>> DiG 9.3.3rc2 <<>> yahoo.co.jp ns
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 60340
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;yahoo.co.jp.                   IN      NS

;; ANSWER SECTION:
yahoo.co.jp.            419     IN      NS      dnsg01.yahoo.co.jp.
yahoo.co.jp.            419     IN      NS      ns10.yahoo.co.jp.

;; Query time: 11 msec
;; SERVER: 192.168.11.1#53(192.168.11.1)
;; WHEN: Sun Dec  9 00:25:35 2007
;; MSG SIZE  rcvd: 69

[admin@localhost ~]$

dig.jpg