smtp.lashleyinc.com has no MX records.
Question and response
Question
dig smtp.lashleyinc.com. MX
Answer
The response has no answer records.
Authority
lashleyinc.com. 86400 SOA ns1.impresshosting.com. root.7039436.impresshosting.com. 2026010101 3600 1800 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0