ewin07.mycci.net has no MX records.
Question and response
Question
dig ewin07.mycci.net. MX
Answer
The response has no answer records.
Authority
mycci.net. 300 SOA ans01.consolidated.net. dnsadmin.consolidated.net. 366 10800 3600 3600 900
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0