digでネームサーバの設定を確認する

% dig yoneapp.com ns

;<<>> DiG 9.10.6 <<>> yoneapp.com ns
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<-opcode: QUERY, status: NOERROR, id: 37750
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;yoneapp.com.           IN  NS

;; ANSWER SECTION:
yoneapp.com.        3488    IN  NS  dns1.p01.nsone.net.
yoneapp.com.        3488    IN  NS  dns2.p01.nsone.net.
yoneapp.com.        3488    IN  NS  dns3.p01.nsone.net.
yoneapp.com.        3488    IN  NS  dns4.p01.nsone.net.

;; Query time: 5 msec
;; SERVER: 1.1.1.1#53(1.1.1.1)
;; WHEN: Fri Oct 09 00:03:26 JST 2020
;; MSG SIZE  rcvd: 129