frontend.hexonet.net CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig frontend.hexonet.net. NS

Answer

frontend.hexonet.net. 5 NS ns3.hexonet.net. frontend.hexonet.net. 5 NS ns2.hexonet.net. frontend.hexonet.net. 5 NS ns1.hexonet.net.

Authority

The response has no authority records.

Additional

. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0