Apex domains cannot have CNAME records.
Question and response
Question
dig hebergement-canada.net. NS
Answer
hebergement-canada.net. 5 NS parking2.whc.ca.
hebergement-canada.net. 5 NS parking1.whc.ca.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0