sns1.RSNX.RU has no MX records.
Question and response
Question
dig sns1.RSNX.RU. MX
Answer
The response has no answer records.
Authority
rsnx.ru. 3600 SOA sns1.rsnx.ru. info.rusonyx.ru. 2024092337 14400 7200 2419200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0