Apex domains cannot have CNAME records.
Question and response
Question
dig aspaway.fr. NS
Answer
aspaway.fr. 5 NS ns3.meganameservers.eu.
aspaway.fr. 5 NS ns2.meganameservers.eu.
aspaway.fr. 5 NS ns1.meganameservers.eu.
Authority
The response has no authority records.
Additional
ns1.meganameservers.eu. 5 A 91.136.8.241
ns2.meganameservers.eu. 5 A 91.136.7.21
ns3.meganameservers.eu. 5 A 66.175.41.102
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0