NS2.cONNect.Spb.RU has no NS records.
NS records for this zone are defined at cONNect.Spb.RU.
NS records for this zone are defined at cONNect.Spb.RU.
Question and response
Question
dig NS2.cONNect.Spb.RU. NS
Answer
The response has no answer records.
Authority
connect.spb.ru. 3600 SOA ns2.connect.spb.ru. admin.connect.spb.ru. 9 3600 900 3600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0