itcsa.net CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig itcsa.net. NS

Answer

itcsa.net. 4 NS choique.itcsa.net. itcsa.net. 4 NS ns3.itcsa.net.

Authority

The response has no authority records.

Additional

ns3.itcsa.net. 4 A 190.15.223.2 choique.itcsa.net. 4 A 190.15.222.20 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0