smtp-relay.brainergy.digital has no MX records.
Question and response
Question
dig smtp-relay.brainergy.digital. MX
Answer
The response has no answer records.
Authority
brainergy.digital. 60 SOA ns.beenets.com. dns-admin.beenets.com. 208 3600 600 1209600 60
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0