hosted-by-vdsina.ru has no MX records.
Question and response
Question
dig hosted-by-vdsina.ru. MX
Answer
The response has no answer records.
Authority
hosted-by-vdsina.ru. 600 SOA ns1.vdsina.ru. root.vdsina.ru. 2017700353 7200 1800 172800 600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0