> > 入れにゃあよ
> C:\>nslookup 116.0.220.206
> *** Can't find server name for address 192.168.1.1: Non-existent domain
> *** Default servers are not available
> Server:  UnKnown
> Address:  192.168.1.1
> Non-authoritative answer:
> Name:    a33.g.akamai.net
> Aliases:  www.fbi.gov
> うーむ

dig -x 116.0.220.206

; <<>> DiG 9.3.4-P1.1 <<>> -x 116.0.220.206
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 43358
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;206.220.0.116.in-addr.arpa.    IN      PTR

;; ANSWER SECTION:
206.220.0.116.in-addr.arpa. 86092 IN    PTR     h116-0-220-206.tpch01.itscom.jp.

;; AUTHORITY SECTION:
220.0.116.in-addr.arpa. 62402   IN      NS      ns0.itscom.jp.
220.0.116.in-addr.arpa. 62402   IN      NS      ns1.itscom.jp.

;; ADDITIONAL SECTION:
ns0.itscom.jp.          18968   IN      A       219.110.2.12
ns1.itscom.jp.          18968   IN      A       219.110.2.13

;; Query time: 5 msec
;; SERVER: 192.168.1.254#53(192.168.1.254)
;; WHEN: Sun Jul 20 15:14:06 2008

なんでserverが192.168.1.254になってるんだろ(;´Д`)
resolv.conf書き間違えたかなあ

参考：2008/07/20(日)15時10分57秒