2-66-64-69.dedicated.codero.net has no MX records.
Question and response
Question
dig 2-66-64-69.dedicated.codero.net. MX
Answer
The response has no answer records.
Authority
codero.net. 46200 SOA ns1.codero.com. hostmaster.codero.com. 97 7200 1800 1209600 46200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0