Apex domains cannot have CNAME records.
Question and response
Question
dig suvfix.com. NS
Answer
suvfix.com. 5 NS ns-1318.awsdns-36.org.
suvfix.com. 5 NS ns-1709.awsdns-21.co.uk.
suvfix.com. 5 NS ns-1669.awsdns-16.co.uk.
suvfix.com. 5 NS ns-1755.awsdns-27.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0