Apex domains cannot have CNAME records.
Question and response
Question
dig trivonexal.com. NS
Answer
trivonexal.com. 5 NS ns-553.awsdns-05.net.
trivonexal.com. 5 NS ns-738.awsdns-28.net.
trivonexal.com. 5 NS ns-1821.awsdns-35.co.uk.
trivonexal.com. 5 NS ns-530.awsdns-02.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0