Apex domains cannot have CNAME records.
Question and response
Question
dig masteraudiofrance.com. NS
Answer
masteraudiofrance.com. 5 NS ns2.masteraudiofrance.com.
masteraudiofrance.com. 5 NS ns1.masteraudiofrance.com.
Authority
The response has no authority records.
Additional
ns1.masteraudiofrance.com. 5 A 62.100.205.56
ns2.masteraudiofrance.com. 5 A 62.100.206.8
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0