aibrain.com CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig aibrain.com. NS

Answer

aibrain.com. 2 NS ns.crosscert.com. aibrain.com. 2 NS ns2.crosscert.com. aibrain.com. 2 NS ns3.crosscert.com.

Authority

The response has no authority records.

Additional

ns.crosscert.com. 2 A 211.118.38.95 ns3.crosscert.com. 2 A 211.180.234.215 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0