nameserverservice.com CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig nameserverservice.com. NS

Answer

nameserverservice.com. 5 NS ns1.nameserverservice.com. nameserverservice.com. 5 NS ns2.nameserverservice.com.

Authority

The response has no authority records.

Additional

ns1.nameserverservice.com. 5 A 69.64.44.52 ns2.nameserverservice.com. 5 A 69.64.44.54 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0