mx2.exclusivehosting.net has no MX records.
Question and response
Question
dig mx2.exclusivehosting.net. MX
Answer
The response has no answer records.
Authority
mx2.exclusivehosting.net. 1800 SOA mx1.exclusivehosting.net. root.exclusivehosting.net. 1479143363 28800 7200 604800 86400
Additional
. 0 OPT ; payload 600, xrcode 0, version 0, flags 0