watchNS/captain.or.jpについて、ここに記述してください。
webサーバーはさくらを使っている。(DNSはdnsv.jpだ。2017/08/01 以降)
Domain Information: [ドメイン情報] a. [ドメイン名] CAPTAIN.OR.JP e. [そしきめい] しゃだんほうじんにほんせんちょうきょうかい f. [組織名] 社団法人日本船長協会 g. [Organization] Japan Captains' Association k. [組織種別] 社団法人 l. [Organization Type] Corporation m. [登録担当者] MF1261JP n. [技術連絡担当者] TY3758JP p. [ネームサーバ] 01.dnsv.jp p. [ネームサーバ] 02.dnsv.jp p. [ネームサーバ] 03.dnsv.jp p. [ネームサーバ] 04.dnsv.jp s. [署名鍵] [状態] Connected (2018/07/31) [登録年月日] 2000/07/05 [接続年月日] 2000/07/06 [最終更新] 01:24:58 (JST)
%dnsq a captain.or.jp 01.dnsv.jp ~/dnsq/w3 1 captain.or.jp: 120 bytes, 1+1+4+0 records, response, authoritative, noerror query: 1 captain.or.jp answer: captain.or.jp 3600 A 49.212.235.201 authority: captain.or.jp 86400 NS 02.dnsv.jp %dnsname 49.212.235.201 ~/dnsq/w3 www3461.sakura.ne.jp
$ dnsq soa captain.or.jp 01.dnsv.jp 6 captain.or.jp: 151 bytes, 1+1+4+0 records, response, authoritative, noerror query: 6 captain.or.jp answer: captain.or.jp 86400 SOA 01.dnsv.jp hostmaster.dnsv.jp 1512263590 3600 900 604800 300 authority: captain.or.jp 86400 NS 03.dnsv.jp authority: captain.or.jp 86400 NS 01.dnsv.jp authority: captain.or.jp 86400 NS 04.dnsv.jp authority: captain.or.jp 86400 NS 02.dnsv.jp
SOAのtimestampは比較的新しい。webサーバーを移転した可能性はある。
%dnsq soa captain.or.jp ns1.dns.ne.jp ~/dnsq/w3 6 captain.or.jp: 132 bytes, 1+1+2+0 records, response, authoritative, noerror query: 6 captain.or.jp answer: captain.or.jp 3600 SOA master.dns.ne.jp tech.sakura.ad.jp 2017120311 3600 900 3600000 3600 authority: captain.or.jp 3600 NS ns1.dns.ne.jp authority: captain.or.jp 3600 NS ns2.dns.ne.jp