1. watchNS/mufg.jp

一文字違いのmufj.jpに注意。-- ToshinoriMaeno 2018-02-07 23:41:34

2. whois

[Domain Name]                   MUFG.JP

[登録者名]                      株式会社三菱UFJフィナンシャル・グループ
[Registrant]                    Mitsubishi UFJ Financial Group, Inc.

[Name Server]                   ns1.mss.mind.ne.jp
[Name Server]                   tokio.mind.ad.jp
[Name Server]                   a1-10.akam.net
[Name Server]                   a11-67.akam.net
[Name Server]                   a16-64.akam.net
[Name Server]                   a26-65.akam.net
[Name Server]                   a5-66.akam.net
[Name Server]                   a8-67.akam.net
[Signing Key]                   

[登録年月日]                    2004/11/18
[有効期限]                      2019/11/30
[状態]                          Active
[最終更新]                      2018/12/01 01:05:08 (JST)

Domain Information:
[Domain Name]                   MUFG.JP

[Registrant]                    Mitsubishi UFJ Financial Group, Inc.

[Name Server]                   dns1.ibps.ne.jp
[Name Server]                   dns2.ibps.ne.jp
[Name Server]                   ns1.mss.mind.ne.jp
[Name Server]                   tokio.mind.ad.jp
[Name Server]                   a1-10.akam.net
[Name Server]                   a11-67.akam.net
[Name Server]                   a16-64.akam.net
[Name Server]                   a26-65.akam.net
[Name Server]                   a5-66.akam.net
[Name Server]                   a8-67.akam.net
[Signing Key]                   

[Created on]                    2004/11/18
[Expires on]                    2018/11/30
[Status]                        Active
[Last Updated]                  2017/12/01 01:05:07 (JST)

-- ToshinoriMaeno 2013-01-16 01:33:46

mufg.jp 下のNSが消された。

3. NS

-- ToshinoriMaeno 2018-02-07 23:47:17

$ dnsq ns mufg.jp a.dns.jp
2 mufg.jp:
273 bytes, 1+0+10+1 records, response, noerror
query: 2 mufg.jp
authority: mufg.jp 86400 NS a11-67.akam.net
authority: mufg.jp 86400 NS ns1.mss.mind.ne.jp
authority: mufg.jp 86400 NS tokio.mind.ad.jp
authority: mufg.jp 86400 NS a1-10.akam.net
authority: mufg.jp 86400 NS dns1.ibps.ne.jp
authority: mufg.jp 86400 NS a5-66.akam.net
authority: mufg.jp 86400 NS a26-65.akam.net
authority: mufg.jp 86400 NS dns2.ibps.ne.jp
authority: mufg.jp 86400 NS a8-67.akam.net
authority: mufg.jp 86400 NS a16-64.akam.net
additional: tokio.mind.ad.jp 86400 A 202.228.1.36

間違いそうな登録

$ dnsq any mufg.jp a.dns.jp

255 mufg.jp:
246 bytes, 1+0+6+5 records, response, noerror
query: 255 mufg.jp
authority: mufg.jp 86400 NS dns01.mufg.jp
authority: mufg.jp 86400 NS dns02.mufg.jp
authority: mufg.jp 86400 NS dns1.ibps.ne.jp
authority: mufg.jp 86400 NS dns2.ibps.ne.jp
authority: mufg.jp 86400 NS ns1.idc.mind.ne.jp
authority: mufg.jp 86400 NS tokio.mind.ad.jp
additional: dns1.ibps.ne.jp 86400 A 210.128.152.27
additional: dns2.ibps.ne.jp 86400 A 202.221.249.253
additional: dns01.mufg.jp 86400 A 203.178.126.9
additional: dns02.mufg.jp 86400 A 210.172.225.213
additional: tokio.mind.ad.jp 86400 A 202.228.1.34

4. old

$ dnsq ns bk.mufg.jp a.dns.jp

2 bk.mufg.jp:
213 bytes, 1+0+5+4 records, response, noerror
query: 2 bk.mufg.jp
authority: mufg.jp 86400 NS tokio.mind.ad.jp
authority: mufg.jp 86400 NS ns1.idc.mind.ne.jp
authority: mufg.jp 86400 NS dns2.ibps.ne.jp
authority: mufg.jp 86400 NS dns1.ibps.ne.jp
authority: mufg.jp 86400 NS dns01.mufg.jp
additional: dns1.ibps.ne.jp 86400 A 210.128.152.27
additional: dns2.ibps.ne.jp 86400 A 202.221.249.253
additional: dns01.mufg.jp 86400 A 203.178.126.9
additional: tokio.mind.ad.jp 86400 A 202.228.1.34

$ dnsq ns bk.mufg.jp 210.128.152.27
2 bk.mufg.jp:
197 bytes, 1+5+0+3 records, response, authoritative, noerror
query: 2 bk.mufg.jp
answer: bk.mufg.jp 3600 NS tokio.mind.ad.jp
answer: bk.mufg.jp 3600 NS ns1.idc.mind.ne.jp
answer: bk.mufg.jp 3600 NS dns1.ibps.ne.jp
answer: bk.mufg.jp 3600 NS dns2.ibps.ne.jp
answer: bk.mufg.jp 3600 NS dns01.mufg.jp
additional: dns1.ibps.ne.jp 604800 A 210.128.152.27
additional: dns2.ibps.ne.jp 604800 A 202.221.249.253
additional: dns01.mufg.jp 3600 A 203.178.126.9

tmaeno@:~$ dnsq ns bk.mufg.jp 203.178.126.9
2 bk.mufg.jp:
165 bytes, 1+5+0+1 records, response, authoritative, noerror
query: 2 bk.mufg.jp
answer: bk.mufg.jp 3600 NS tokio.mind.ad.jp
answer: bk.mufg.jp 3600 NS dns1.ibps.ne.jp
answer: bk.mufg.jp 3600 NS dns01.mufg.jp
answer: bk.mufg.jp 3600 NS dns2.ibps.ne.jp
answer: bk.mufg.jp 3600 NS ns1.idc.mind.ne.jp
additional: dns01.mufg.jp 3600 A 203.178.126.9