watchNS/www.lib.city.bunkyo.lg.jpについて、ここに記述してください。

http://www.tcn-catv.co.jp/ が関係しているのか。

%dnsq a www.lib.city.bunkyo.lg.jp a.dns.jp

1 www.lib.city.bunkyo.lg.jp:
122 bytes, 1+0+2+2 records, response, noerror
query: 1 www.lib.city.bunkyo.lg.jp
authority: city.bunkyo.lg.jp 86400 NS ns2.tcn-catv.ne.jp
authority: city.bunkyo.lg.jp 86400 NS ns.city.bunkyo.lg.jp
additional: ns.city.bunkyo.lg.jp 86400 A 219.118.112.4
additional: ns2.tcn-catv.ne.jp 86400 A 219.109.192.104

%dnsq a www.lib.city.bunkyo.lg.jp 219.118.112.4

1 www.lib.city.bunkyo.lg.jp:
172 bytes, 1+1+3+3 records, response, authoritative, noerror
query: 1 www.lib.city.bunkyo.lg.jp
answer: www.lib.city.bunkyo.lg.jp 3600 A 180.222.90.143
authority: lib.city.bunkyo.lg.jp 3600 NS ns.city.bunkyo.lg.jp
authority: lib.city.bunkyo.lg.jp 3600 NS ns2.city.bunkyo.lg.jp
authority: lib.city.bunkyo.lg.jp 3600 NS ns2.tcn-catv.ne.jp
additional: ns.city.bunkyo.lg.jp 3600 A 219.118.112.4
additional: ns2.city.bunkyo.lg.jp 3600 A 219.118.113.4
additional: ns2.tcn-catv.ne.jp 45136 A 219.109.192.104

%dnsq a www.lib.city.bunkyo.lg.jp 219.109.192.104

1 www.lib.city.bunkyo.lg.jp:
59 bytes, 1+1+0+0 records, response, authoritative, noerror
query: 1 www.lib.city.bunkyo.lg.jp
answer: www.lib.city.bunkyo.lg.jp 3600 A 180.222.90.143

%dnsq a www.lib.city.bunkyo.lg.jp 219.118.113.4

1 www.lib.city.bunkyo.lg.jp:
156 bytes, 1+1+3+2 records, response, authoritative, noerror
query: 1 www.lib.city.bunkyo.lg.jp
answer: www.lib.city.bunkyo.lg.jp 3600 A 180.222.90.143
authority: lib.city.bunkyo.lg.jp 3600 NS ns.city.bunkyo.lg.jp
authority: lib.city.bunkyo.lg.jp 3600 NS ns2.city.bunkyo.lg.jp
authority: lib.city.bunkyo.lg.jp 3600 NS ns2.tcn-catv.ne.jp
additional: ns.city.bunkyo.lg.jp 3600 A 219.118.112.4
additional: ns2.city.bunkyo.lg.jp 3600 A 219.118.113.4

%dnsq a www.tcn-catv.co.jp a.dns.jp

1 www.tcn-catv.co.jp:
104 bytes, 1+0+2+2 records, response, noerror
query: 1 www.tcn-catv.co.jp
authority: tcn-catv.co.jp 86400 NS ns1.tcn-catv.co.jp
authority: tcn-catv.co.jp 86400 NS ns2.tcn-catv.co.jp
additional: ns1.tcn-catv.co.jp 86400 A 219.109.192.103
additional: ns2.tcn-catv.co.jp 86400 A 219.109.192.104

%dnsq a www.tcn-catv.co.jp 219.109.192.103

1 www.tcn-catv.co.jp:
52 bytes, 1+1+0+0 records, response, authoritative, noerror
query: 1 www.tcn-catv.co.jp
answer: www.tcn-catv.co.jp 1800 A 180.222.90.143