ドメイン確認
そういうサイトもあるけれど、whoisコマンド使えばよかった。
$ whois *****.jp [Querying whois.jprs.jp] [whois.jprs.jp] [ JPRS database provides information on network administration. Its use is ] [ restricted to network administration purposes. For further information, ] [ use 'whois -h whois.jprs.jp help'. To suppress Japanese output, add'/e' ] [ at the end of command, e.g. 'whois -h whois.jprs.jp xxx/e'. ] Domain Information: [Domain Name] *****.JP [Registrant] ***** Inc. [Name Server] ********** [Name Server] ********** [Signing Key] [Created on] 2011/02/18 [Expires on] 2012/02/29 [Status] Active [Last Updated] 2011/02/18 11:12:33 (JST) Contact Information: [Name] **** **** [Email] ***@****** [Web Page] [Postal code] 000-0000 [Postal Address] ************** [Phone] 000-000-0000 [Fax] 000-000-0000
未登録ドメインの場合 → No match!!
$ whois ***.jp
[Querying whois.jprs.jp]
[whois.jprs.jp]
[ JPRS database provides information on network administration. Its use is ]
[ restricted to network administration purposes. For further information, ]
[ use 'whois -h whois.jprs.jp help'. To suppress Japanese output, add'/e' ]
[ at the end of command, e.g. 'whois -h whois.jprs.jp xxx/e'. ]
No match!!
With JPRS WHOIS, you can query the following domain name information
sponsored by JPRS.
- All of registered JP domain name
- gTLD domain name of which sponsoring registrar is JPRS
Detail: http://jprs.jp/info/jprs-whois/ (only in Japanese)
For IP address information, please refer to the following WHOIS servers:
- JPNIC WHOIS (whois.nic.ad.jp)
- APNIC WHOIS (whois.apnic.net)
- ARIN WHOIS (whois.arin.net)
- RIPE WHOIS (whois.ripe.net)
- LACNIC WHOIS (whois.lacnic.net)
- AfriNIC WHOIS (whois.afrinic.net)ちなみに、通信には43番ポートを使用するらしい
