mx.accesscomm.ca has no CNAME records.
Question and response
Question
dig mx.accesscomm.ca. NS
Answer
The response has no answer records.
Authority
accesscomm.ca. 3468 SOA dns1.accesscomm.ca. webmaster.accesscomm.ca. 2025022038 43200 1800 172800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0