q.mbg-tech.spb.ru has no MX records.
Question and response
Question
dig q.mbg-tech.spb.ru. MX
Answer
The response has no answer records.
Authority
spb.ru. 3600 SOA ns3-geo.nic.ru. hostmaster.nic.ru. 388897 7200 900 2592000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0