Apex domains cannot have CNAME records.
Question and response
Question
dig avignonterresdecreation.com. NS
Answer
avignonterresdecreation.com. 4 NS ns-296.awsdns-37.com.
avignonterresdecreation.com. 4 NS ns-36.awsdns-04.com.
avignonterresdecreation.com. 4 NS ns-1850.awsdns-39.co.uk.
avignonterresdecreation.com. 4 NS ns-371.awsdns-46.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0