expanet.msk.ru has no NS records.
NS records for this zone are defined at msk.ru.
NS records for this zone are defined at msk.ru.
Question and response
Question
dig expanet.msk.ru. NS
Answer
The response has no answer records.
Authority
msk.ru. 3600 SOA ns3-geo.nic.ru. hostmaster.nic.ru. 389434 7200 900 2592000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0