Apex domains cannot have CNAME records.
Question and response
Question
dig quendavint.com. NS
Answer
quendavint.com. 5 NS ns-586.awsdns-09.net.
quendavint.com. 5 NS ns-1572.awsdns-04.co.uk.
quendavint.com. 5 NS ns-1342.awsdns-39.org.
quendavint.com. 5 NS ns-1700.awsdns-20.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0