Apex domains cannot have CNAME records.
Question and response
Question
dig quendatrix.com. NS
Answer
quendatrix.com. 5 NS ns-2042.awsdns-63.co.uk.
quendatrix.com. 5 NS ns-698.awsdns-23.net.
quendatrix.com. 5 NS ns-914.awsdns-50.net.
quendatrix.com. 5 NS ns-1448.awsdns-53.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0