1. watchA
SOA あり (内容は不正)
NS なし
2. whois
3. history
$ dig -t soa rmhospital.com @ns1.dns-diy.com ; <<>> DiG 9.11.3-1ubuntu1.14-Ubuntu <<>> -t soa rmhospital.com @ns1.dns-diy.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 37414 ;; flags: qr aa rd ad; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; WARNING: recursion requested but not available ;; QUESTION SECTION: ;rmhospital.com. IN SOA ;; ANSWER SECTION: rmhospital.com. 3600 IN SOA . hostmaster.nameserver. 363 28800 7200 604800 5 ;; Query time: 68 msec ;; SERVER: 183.131.155.229#53(183.131.155.229) ;; WHEN: Sat Sep 25 11:51:14 JST 2021 ;; MSG SIZE rcvd: 88 tmaeno@skr:~$ dig -t ns rmhospital.com @ns1.dns-diy.com ; <<>> DiG 9.11.3-1ubuntu1.14-Ubuntu <<>> -t ns rmhospital.com @ns1.dns-diy.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 7776 ;; flags: qr aa rd ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0 ;; WARNING: recursion requested but not available ;; QUESTION SECTION: ;rmhospital.com. IN NS ;; AUTHORITY SECTION: rmhospital.com. 3600 IN SOA . hostmaster.nameserver. 363 28800 7200 604800 5 ;; Query time: 73 msec ;; SERVER: 183.131.155.229#53(183.131.155.229) ;; WHEN: Sat Sep 25 11:51:31 JST 2021 ;; MSG SIZE rcvd: 88