watchNS/nic.czについて、ここに記述してください。
$ dig -t a d.ns.nic.cz @194.0.12.1
; <<>> DiG 9.9.5-3ubuntu0.4-Ubuntu <<>> -t a d.ns.nic.cz @194.0.12.1 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 57388 ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 6 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;d.ns.nic.cz. IN A ;; ANSWER SECTION: d.ns.nic.cz. 1800 IN A 193.29.206.1 ;; AUTHORITY SECTION: nic.cz. 1800 IN NS d.ns.nic.cz. nic.cz. 1800 IN NS b.ns.nic.cz. nic.cz. 1800 IN NS a.ns.nic.cz. ;; ADDITIONAL SECTION: a.ns.nic.cz. 1800 IN A 194.0.12.1 a.ns.nic.cz. 1800 IN AAAA 2001:678:f::1 b.ns.nic.cz. 1800 IN A 194.0.13.1 b.ns.nic.cz. 1800 IN AAAA 2001:678:10::1 d.ns.nic.cz. 1800 IN AAAA 2001:678:1::1 ;; Query time: 317 msec ;; SERVER: 194.0.12.1#53(194.0.12.1) ;; WHEN: Sun Aug 30 06:44:02 JST 2015 ;; MSG SIZE rcvd: 218
$ dig -t ns cz @194.0.12.1 ; <<>> DiG 9.9.5-3ubuntu0.4-Ubuntu <<>> -t ns cz @194.0.12.1 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 22184 ;; flags: qr aa rd; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 1 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;cz. IN NS ;; ANSWER SECTION: cz. 18000 IN NS c.ns.nic.cz. cz. 18000 IN NS b.ns.nic.cz. cz. 18000 IN NS d.ns.nic.cz. cz. 18000 IN NS a.ns.nic.cz. ;; Query time: 319 msec ;; SERVER: 194.0.12.1#53(194.0.12.1) ;; WHEN: Sun Aug 30 06:49:16 JST 2015 ;; MSG SIZE rcvd: 102 tmaeno@tmaeno:~$ dig -t ns nic.cz @194.0.12.1 ; <<>> DiG 9.9.5-3ubuntu0.4-Ubuntu <<>> -t ns nic.cz @194.0.12.1 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 11938 ;; flags: qr aa rd; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 7 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;nic.cz. IN NS ;; ANSWER SECTION: nic.cz. 1800 IN NS d.ns.nic.cz. nic.cz. 1800 IN NS a.ns.nic.cz. nic.cz. 1800 IN NS b.ns.nic.cz. ;; ADDITIONAL SECTION: a.ns.nic.cz. 1800 IN A 194.0.12.1 a.ns.nic.cz. 1800 IN AAAA 2001:678:f::1 b.ns.nic.cz. 1800 IN A 194.0.13.1 b.ns.nic.cz. 1800 IN AAAA 2001:678:10::1 d.ns.nic.cz. 1800 IN A 193.29.206.1 d.ns.nic.cz. 1800 IN AAAA 2001:678:1::1 ;; Query time: 319 msec ;; SERVER: 194.0.12.1#53(194.0.12.1) ;; WHEN: Sun Aug 30 06:49:29 JST 2015 ;; MSG SIZE rcvd: 218