cogecocommercial.org has no MX records.
Question and response
Question
dig cogecocommercial.org. MX
Answer
The response has no answer records.
Authority
cogecocommercial.org. 300 SOA ns4.cgocable.net. dnsadmin.cgocable.net. 2007014684 1800 900 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0