websmtp-out2.simply.com has no MX records.
Question and response
Question
dig websmtp-out2.simply.com. MX
Answer
The response has no answer records.
Authority
simply.com. 3600 SOA ns1.simply.com. hostmaster.simply.com. 2026022000 14400 3600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0