c52-p.ismtp.allstream.net has no MX records.
Question and response
Question
dig c52-p.ismtp.allstream.net. MX
Answer
The response has no answer records.
Authority
allstream.net. 3600 SOA nsx.integraonline.com. itops.zayo.com. 2025102201 300 7200 604800 172800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0