mx2.spb.avantel.ru has no MX records.
Question and response
Question
dig mx2.spb.avantel.ru. MX
Answer
The response has no answer records.
Authority
spb.avantel.ru. 3600 SOA ns1.spb.avantel.ru. noc.spb.avantel.ru. 2025102001 10800 3600 2419200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0