Apex domains cannot have CNAME records.
Question and response
Question
dig frenchsouvenirs.com. NS
Answer
frenchsouvenirs.com. 5 NS ns-1348.awsdns-40.org.
frenchsouvenirs.com. 5 NS ns-1488.awsdns-58.org.
frenchsouvenirs.com. 5 NS ns-69.awsdns-08.com.
frenchsouvenirs.com. 5 NS ns-272.awsdns-34.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0