Apex domains cannot have CNAME records.
Question and response
Question
dig lino.sympatico.ca. NS
Answer
lino.sympatico.ca. 4 NS ns1.lino.com.
lino.sympatico.ca. 4 NS ns1.lino.qc.ca.
lino.sympatico.ca. 4 NS ns1.lino.sympatico.ca.
Authority
The response has no authority records.
Additional
ns1.lino.qc.ca. 4 A 142.217.192.9
ns1.lino.com. 4 A 142.217.192.8
ns1.lino.sympatico.ca. 4 A 142.217.192.9
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0