Apex domains cannot have CNAME records.
Question and response
Question
dig annunciationparis.org. NS
Answer
annunciationparis.org. 5 NS ns-190.awsdns-23.com.
annunciationparis.org. 5 NS ns-2002.awsdns-58.co.uk.
annunciationparis.org. 5 NS ns-1756.awsdns-27.co.uk.
annunciationparis.org. 5 NS ns-963.awsdns-56.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0