mx108.calserver.eu CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig mx108.calserver.eu. NS

Answer

mx108.calserver.eu. 5 NS ns2.cal.pl. mx108.calserver.eu. 5 NS ns1.cal.pl.

Authority

The response has no authority records.

Additional

ns1.cal.pl. 3 A 45.138.106.10 ns2.cal.pl. 3 A 185.8.238.10 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0