Apex domains cannot have CNAME records.
Question and response
Question
dig lecoindesenfants.com. NS
Answer
lecoindesenfants.com. 5 NS ns1.lecoindesenfants.com.
lecoindesenfants.com. 5 NS ns2.lecoindesenfants.com.
Authority
The response has no authority records.
Additional
ns1.lecoindesenfants.com. 5 A 104.206.86.153
ns2.lecoindesenfants.com. 5 A 51.79.104.31
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0