vc.shawcable.net has no MX records.
Question and response
Question
dig vc.shawcable.net. MX
Answer
The response has no answer records.
Authority
vc.shawcable.net. 600 SOA pd2ns1.st.vc.shawcable.net. dnsadmin.shaw.ca. 2464874743 10800 3600 604800 600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0