mail.VERMONT-IT.RU has no MX records.
Question and response
Question
dig mail.VERMONT-IT.RU. MX
Answer
The response has no answer records.
Authority
VERMONT-IT.RU. 3600 SOA ns.vernet.su. hostmaster.VERMONT-IT.RU. 2026021700 7200 1800 1209610 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0