watchNS/kancolle-db.netについて、ここに記述してください。
艦これ統計データベース https://twitter.com/ayamasets/status/943880090684813313
$ dnsq ns kancolle-db.net a.gtld-servers.net 2 kancolle-db.net: 108 bytes, 1+0+4+0 records, response, noerror query: 2 kancolle-db.net authority: kancolle-db.net 172800 NS 01.dnsv.jp authority: kancolle-db.net 172800 NS 02.dnsv.jp authority: kancolle-db.net 172800 NS 03.dnsv.jp authority: kancolle-db.net 172800 NS 04.dnsv.jp $ dnsq ns kancolle-db.net 01.dnsv.jp 2 kancolle-db.net: 108 bytes, 1+4+0+0 records, response, authoritative, noerror query: 2 kancolle-db.net answer: kancolle-db.net 86400 NS 01.dnsv.jp answer: kancolle-db.net 86400 NS 02.dnsv.jp answer: kancolle-db.net 86400 NS 03.dnsv.jp answer: kancolle-db.net 86400 NS 04.dnsv.jp $ dnsq a kancolle-db.net 01.dnsv.jp 1 kancolle-db.net: 124 bytes, 1+1+4+0 records, response, authoritative, noerror query: 1 kancolle-db.net answer: kancolle-db.net 3600 A 157.7.133.105 authority: kancolle-db.net 86400 NS 01.dnsv.jp authority: kancolle-db.net 86400 NS 02.dnsv.jp authority: kancolle-db.net 86400 NS 03.dnsv.jp authority: kancolle-db.net 86400 NS 04.dnsv.jp
105.133.7.157.in-addr.arpa. 300 IN PTR kancolle-db.net.
133.7.157.in-addr.arpa. 3544 IN NS 01.dnsv.jp. 133.7.157.in-addr.arpa. 3544 IN NS 02.dnsv.jp.