1. watchA
https://www.bigai.ne.jp
2. whois
a. [Domain Name] BIGAI.NE.JP d. [Network Service Name] bigai l. [Organization Type] Network Service m. [Administrative Contact] YH8839JP n. [Technical Contact] JT023JP p. [Name Server] ns1.dns.ne.jp p. [Name Server] ns2.dns.ne.jp s. [Signing Key] [State] Connected (2020/11/30) [Registered Date] 2008/11/13 [Connected Date] 2009/02/19 [Last Update] 2019/12/01 01:10:37 (JST) REFUSED
3. history
$ dig -t ns www.bigai.ne.jp ; <<>> DiG 9.11.3-1ubuntu1.12-Ubuntu <<>> -t ns www.bigai.ne.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 48021 ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;www.bigai.ne.jp. IN NS ;; ANSWER SECTION: www.bigai.ne.jp. 3600 IN NS ns1.dns.ne.jp. www.bigai.ne.jp. 3600 IN NS ns2.dns.ne.jp. ;; Query time: 25 msec ;; SERVER: 210.188.224.10#53(210.188.224.10) ;; WHEN: Sat Nov 07 08:56:11 JST 2020 ;; MSG SIZE rcvd: 84