a36.eyssaple.com has no MX records.
Question and response
Question
dig a36.eyssaple.com. MX
Answer
The response has no answer records.
Authority
eyssaple.com. 86400 SOA dns.ovh.net. tech.ovh.net. 2025100601 86400 3600 3600000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0