static-90-4-81-185-host.sphostserver.com has no MX records.
Question and response
Question
dig static-90-4-81-185-host.sphostserver.com. MX
Answer
The response has no answer records.
Authority
sphostserver.com. 3600 SOA ns1.dns4userver.com. server.serverplan.com. 2026022702 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0