auto.emsincorperated.com has no MX records.
Question and response
Question
dig auto.emsincorperated.com. MX
Answer
The response has no answer records.
Authority
emsincorperated.com. 3600 SOA dns.emsincorperated.com. hostmaster.emsincorperated.com. 1639151349 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0