smtpout.ovh.us has no MX records.
Question and response
Question
dig smtpout.ovh.us. MX
Answer
The response has no answer records.
Authority
ovh.us. 60 SOA dns100.ovh.us. tech.ovh.us. 2026022400 86400 3600 3600000 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0