[root@centos ~]# dig wakuwakustation.com ← Linuxサーバーの正引きテスト
; <<>> DiG 9.2.3 <<>> wakuwakustation.com
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 59712
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;wakuwakustation.com. IN A
;; ANSWER SECTION:
wakuwakustation.com. 86400 IN A 192.168.1.3 ← IPアドレスが返ってきた
;; AUTHORITY SECTION:
wakuwakustation.com. 86400 IN NS wakuwakustation.com.
;; Query time: 8 msec
;; SERVER: 192.168.1.3#53(192.168.1.3)
;; WHEN: Mon Oct 4 17:39:31 2004
;; MSG SIZE rcvd: 63
[root@centos ~]# dig -x 192.168.1.3 ← Linuxサーバーの逆引きテスト
; <<>> DiG 9.2.3 <<>> -x 192.168.1.3
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 14938
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1
;; QUESTION SECTION:
;1.1.168.192.in-addr.arpa. IN PTR
;; ANSWER SECTION:
1.1.168.192.in-addr.arpa. 86400 IN PTR wakuwakustation.com. ← ドメイン名が返ってきた
;; AUTHORITY SECTION:
1.168.192.in-addr.arpa. 86400 IN NS wakuwakustation.com.
;; ADDITIONAL SECTION:
wakuwakustation.com. 86400 IN A 192.168.1.3
;; Query time: 8 msec
;; SERVER: 192.168.1.3#53(192.168.1.3)
;; WHEN: Mon Oct 4 17:39:39 2004
;; MSG SIZE rcvd: 101
[root@centos ~]# dig www.linux.or.jp ← 外部ドメインの正引きテスト
; <<>> DiG 9.2.3 <<>> www.linux.or.jp
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 50380
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 6, ADDITIONAL: 0
;; QUESTION SECTION:
;www.linux.or.jp. IN A
;; ANSWER SECTION:
www.linux.or.jp. 78406 IN CNAME mizuho.linux.or.jp.
mizuho.linux.or.jp. 36827 IN A 210.171.226.47 ← IPアドレスが返ってきた
;; AUTHORITY SECTION:
jp. 41652 IN NS E.DNS.jp.
jp. 41652 IN NS F.DNS.jp.
jp. 41652 IN NS A.DNS.jp.
jp. 41652 IN NS B.DNS.jp.
jp. 41652 IN NS C.DNS.jp.
jp. 41652 IN NS D.DNS.jp.
;; Query time: 13 msec
;; SERVER: 192.168.1.3#53(192.168.1.3)
;; WHEN: Thu Oct 7 14:43:58 2004
;; MSG SIZE rcvd: 170
[root@centos ~]# dig -x 210.171.226.47 ← 外部ドメインの逆引きテスト
; <<>> DiG 9.2.3 <<>> -x 210.171.226.47
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 47908
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 6, ADDITIONAL: 7
;; QUESTION SECTION:
;47.226.171.210.in-addr.arpa. IN PTR
;; ANSWER SECTION:
47.226.171.210.in-addr.arpa. 3462 IN PTR mizuho.linux.or.jp. ← ドメイン名が返ってきた
;; AUTHORITY SECTION:
210.in-addr.arpa. 33382 IN NS NS3.APNIC.NET.
210.in-addr.arpa. 33382 IN NS NS4.APNIC.NET.
210.in-addr.arpa. 33382 IN NS DNS1.TELSTRA.NET.
210.in-addr.arpa. 33382 IN NS TINNIE.ARIN.NET.
210.in-addr.arpa. 33382 IN NS NS.RIPE.NET.
210.in-addr.arpa. 33382 IN NS NS1.APNIC.NET.
;; ADDITIONAL SECTION:
NS1.APNIC.NET. 599 IN A 202.12.29.25
NS1.APNIC.NET. 3462 IN AAAA 2001:dc0:2001:0:4608::25
NS3.APNIC.NET. 1064 IN A 202.12.28.131
NS3.APNIC.NET. 3462 IN AAAA 2001:dc0:1:0:4777::131
NS4.APNIC.NET. 2938 IN A 202.12.31.140
DNS1.TELSTRA.NET. 40038 IN A 203.50.5.200
TINNIE.ARIN.NET. 62039 IN A 69.25.34.195
;; Query time: 12 msec
;; SERVER: 192.168.1.3#53(192.168.1.3)
;; WHEN: Thu Oct 7 14:44:27 2004
;; MSG SIZE rcvd: 351
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