1. watchA
http://www.saginuma-medicalmall.jp/
https://www.saginuma-medicalmall.jp/ このサーバーは、さくらのレンタルサーバで提供されています。
https://twitter.com/beyondDNS/status/1324858613022695424?s=20
2. whois
[Domain Name] SAGINUMA-MEDICALMALL.JP [Registrant] Saginuma Medical Mall [Name Server] ns1.dns.ne.jp [Name Server] ns2.dns.ne.jp [Signing Key] [Created on] 2004/09/01 [Expires on] 2020/09/30 [Status] Active [Last Updated] 2020/04/16 14:59:49 (JST)
3. history
$ dig -t ns saginuma-medicalmall.jp @ns1.dns.ne.jp ; <<>> DiG 9.16.1-Ubuntu <<>> -t ns saginuma-medicalmall.jp @ns1.dns.ne.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: REFUSED, id: 11581 ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;saginuma-medicalmall.jp. IN NS ;; Query time: 7 msec ;; SERVER: 61.211.236.1#53(61.211.236.1) ;; WHEN: 土 11月 07 08:35:49 JST 2020 ;; MSG SIZE rcvd: 52
4. www
$ dig -t ns www.saginuma-medicalmall.jp @ns1.dns.ne.jp ; <<>> DiG 9.16.1-Ubuntu <<>> -t ns www.saginuma-medicalmall.jp @ns1.dns.ne.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 64689 ;; flags: qr aa rd; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;www.saginuma-medicalmall.jp. IN NS ;; ANSWER SECTION: www.saginuma-medicalmall.jp. 3600 IN NS ns1.dns.ne.jp. www.saginuma-medicalmall.jp. 3600 IN NS ns2.dns.ne.jp. ;; Query time: 4 msec ;; SERVER: 61.211.236.1#53(61.211.236.1) ;; WHEN: 土 11月 07 08:44:36 JST 2020 ;; MSG SIZE rcvd: 99