rcimx.net has no MX records.
Question and response
Question
dig rcimx.net. MX
Answer
The response has no answer records.
Authority
rcimx.net. 300 SOA eden.redcondor.net. hostmaster.redcondor.net. 1456945948 1800 180 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0