Operationhv.ca has no MX records.
Question and response
Question
dig Operationhv.ca. MX
Answer
The response has no answer records.
Authority
Operationhv.ca. 600 SOA ns1.cgocable.net. dnsadmin.cgocable.net. 83 10800 3600 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0