Apex domains cannot have CNAME records.
Question and response
Question
dig eboutiquebijoux.com. NS
Answer
eboutiquebijoux.com. 5 NS ns-972.awsdns-57.net.
eboutiquebijoux.com. 5 NS ns-1511.awsdns-60.org.
eboutiquebijoux.com. 5 NS ns-13.awsdns-01.com.
eboutiquebijoux.com. 5 NS ns-919.awsdns-50.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0