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