Apex domains cannot have CNAME records.
Question and response
Question
dig chasseurcotecharente.com. NS
Answer
chasseurcotecharente.com. 5 NS ns-766.awsdns-31.net.
chasseurcotecharente.com. 5 NS ns-234.awsdns-29.com.
chasseurcotecharente.com. 5 NS ns-1091.awsdns-08.org.
chasseurcotecharente.com. 5 NS ns-829.awsdns-39.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0