emsawsmx.visionhelpdesk.com has no MX records.
Question and response
Question
dig emsawsmx.visionhelpdesk.com. MX
Answer
The response has no answer records.
Authority
visionhelpdesk.com. 1800 SOA jen.ns.cloudflare.com. dns.cloudflare.com. 2397598422 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0