relay.facct.dev has no MX records.
Question and response
Question
dig relay.facct.dev. MX
Answer
The response has no answer records.
Authority
facct.dev. 60 SOA a.ns.selectel.ru. support.selectel.ru. 2026022302 10800 3600 604800 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0