mail2.webcrmmail.adpcrm.net has no MX records.
Question and response
Question
dig mail2.webcrmmail.adpcrm.net. MX
Answer
The response has no answer records.
Authority
webcrmmail.adpcrm.net. 1800 SOA ns.ord.us.cdk.com. named.cdk.com. 2016012001 10800 3600 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0