gate.forward.smtp.ord1d.emailsrvr.com has no MX records.
Question and response
Question
dig gate.forward.smtp.ord1d.emailsrvr.com. MX
Answer
The response has no answer records.
Authority
emailsrvr.com. 600 SOA pdns219.ultradns.com. postmaster.emailsrvr.com. 2016053250 3600 600 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0