S0106ac8674c8c100.vc.shawcable.net has no MX records.
Question and response
Question
dig S0106ac8674c8c100.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. 2465693098 10800 3600 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0