Apex domains cannot have CNAME records.
Question and response
Question
dig quendavix.com. NS
Answer
quendavix.com. 5 NS ns-1720.awsdns-23.co.uk.
quendavix.com. 5 NS ns-1104.awsdns-10.org.
quendavix.com. 5 NS ns-1622.awsdns-10.co.uk.
quendavix.com. 5 NS ns-2006.awsdns-58.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0