A, NS なし。
SOA あり。(内容は不正)
1. whois
2. history
$ dig yninfo.com @ns1.dns-diy.com ; <<>> DiG 9.11.3-1ubuntu1.14-Ubuntu <<>> yninfo.com @ns1.dns-diy.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 16884 ;; flags: qr aa rd ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0 ;; WARNING: recursion requested but not available ;; QUESTION SECTION: ;yninfo.com. IN A ;; AUTHORITY SECTION: yninfo.com. 3600 IN SOA . hostmaster.nameserver. 182 28800 7200 604800 5 ;; Query time: 69 msec ;; SERVER: 183.131.155.229#53(183.131.155.229) ;; WHEN: Fri Sep 24 09:42:16 JST 2021 ;; MSG SIZE rcvd: 84