Apex domains cannot have CNAME records.
Question and response
Question
dig morvintrex.com. NS
Answer
morvintrex.com. 1 NS ns-1076.awsdns-06.org.
morvintrex.com. 1 NS ns-1808.awsdns-34.co.uk.
morvintrex.com. 1 NS ns-326.awsdns-40.com.
morvintrex.com. 1 NS ns-1717.awsdns-22.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0