mx0.lino.sympatico.ca has no CNAME records.
Question and response
Question
dig mx0.lino.sympatico.ca. NS
Answer
The response has no answer records.
Authority
lino.sympatico.ca. 854 SOA ns1.lino.sympatico.ca. dnsadmin.ns1.lino.sympatico.ca. 2025071000 900 600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0