Apex domains cannot have CNAME records.
Question and response
Question
dig ma2t.com. NS
Answer
ma2t.com. 5 NS pns41.rootdns.eu.
ma2t.com. 5 NS pns44.rootdns.be.
ma2t.com. 5 NS pns43.rootdns.fr.
ma2t.com. 5 NS pns42.rootdns.eu.
Authority
The response has no authority records.
Additional
pns43.rootdns.fr. 5 A 185.136.98.79
pns43.rootdns.fr. 5 AAAA 2a06:fb00:1:0:0:0:3:79
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0