mx2.telehouse.hc.ru has no MX records.
Question and response
Question
dig mx2.telehouse.hc.ru. MX
Answer
The response has no answer records.
Authority
telehouse.hc.ru. 3600 SOA ns.caravan.ru. dnsmaster.caravan.ru. 2022082220 7200 3600 43200 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0