mx2.axelname.ru has no NS records.
NS records for this zone are defined at axelname.ru.
NS records for this zone are defined at axelname.ru.
Question and response
Question
dig mx2.axelname.ru. NS
Answer
The response has no answer records.
Authority
axelname.ru. 3600 SOA ns1.axelname.ru. info.axelname.ru. 2012120701 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0