home1.cgocable.net has no MX records.
Question and response
Question
dig home1.cgocable.net. MX
Answer
The response has no answer records.
Authority
home1.cgocable.net. 86400 SOA maul.cogeco.net. vader.cogeco.net. 2005084507 1800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0