1. watchA
2. whois
3. history
$ dig -t a webmail.jp.sharp @ns1.sharp.co.jp ; <<>> DiG 9.16.1-Ubuntu <<>> -t a webmail.jp.sharp @ns1.sharp.co.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 44336 ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 3 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ; COOKIE: 6101a65f41b425eb3a316a905fa9c7fe0417e24eaee3dc8e (good) ;; QUESTION SECTION: ;webmail.jp.sharp. IN A ;; ANSWER SECTION: webmail.jp.sharp. 600 IN A 61.214.248.28 ;; AUTHORITY SECTION: sharp. 600 IN NS tg1.sharp.co.jp. sharp. 600 IN NS ns1.sharp.co.jp. ;; ADDITIONAL SECTION: ns1.sharp.co.jp. 43200 IN A 61.214.248.154 tg1.sharp.co.jp. 60 IN A 61.214.248.155 ;; Query time: 15 msec ;; SERVER: 61.214.248.154#53(61.214.248.154) ;; WHEN: 火 11月 10 07:51:42 JST 2020 ;; MSG SIZE rcvd: 168