sfilter.canhost.ca has no MX records.
Question and response
Question
dig sfilter.canhost.ca. MX
Answer
The response has no answer records.
Authority
canhost.ca. 3600 SOA ns10.kookiejar.net. noc.canhost.ca. 2023062600 3600 3600 604800 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0