vf.shawcable.net has no MX records.
Question and response
Question
dig vf.shawcable.net. MX
Answer
The response has no answer records.
Authority
vf.shawcable.net. 600 SOA pd1ns1.st.vc.shawcable.net. dnsadmin.shaw.ca. 2112530647 10800 3600 604800 600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0