$ dig -t NS xvideos.com
; <<>> DiG 9.8.3-P1 <<>> -t NS xvideos.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 26611
;; flags: qr rd ra; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;xvideos.com. IN NS
;; ANSWER SECTION:
xvideos.com. 1158 IN NS ns3.randomserver.com.
xvideos.com. 1158 IN NS ns1.randomserver.com.
xvideos.com. 1158 IN NS ns6.randomserver.com.
xvideos.com. 1158 IN NS ns4.randomserver.com.
xvideos.com. 1158 IN NS ns2.randomserver.com.
xvideos.com. 1158 IN NS ns5.randomserver.com.
;; Query time: 62 msec
;; SERVER: 192.168.3.1#53(192.168.3.1)
;; WHEN: Tue Apr 24 03:48:45 2018
;; MSG SIZE rcvd: 150