mail2.action-media.RU has no MX records.
Question and response
Question
dig mail2.action-media.RU. MX
Answer
The response has no answer records.
Authority
action-media.RU. 300 SOA ns1.fr.RU. internet.action-media.RU. 2021112202 14400 180 2592000 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0