Apex domains cannot have CNAME records.
Question and response
Question
dig actiprint-compteurs.com. NS
Answer
actiprint-compteurs.com. 2 NS ns-1451.awsdns-53.org.
actiprint-compteurs.com. 2 NS ns-1421.awsdns-49.org.
actiprint-compteurs.com. 2 NS ns-1093.awsdns-08.org.
actiprint-compteurs.com. 2 NS ns-1631.awsdns-11.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0