mx.handyhost.ru has no MX records.
Question and response
Question
dig mx.handyhost.ru. MX
Answer
The response has no answer records.
Authority
handyhost.ru. 3600 SOA scruffy.handyhost.ru. root.handyhost.ru. 2019101655 3600 3600 604800 86400
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0