mailrelay3.com CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig mailrelay3.com. NS

Answer

mailrelay3.com. 5 NS ns1.mailrelay3.com. mailrelay3.com. 5 NS ns2.mailrelay3.com.

Authority

The response has no authority records.

Additional

ns1.mailrelay3.com. 5 A 185.103.9.240 ns2.mailrelay3.com. 5 A 185.103.9.241 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0