ns2.GAZSVYAZ.RU has no NS records.
NS records for this zone are defined at GAZSVYAZ.RU.
NS records for this zone are defined at GAZSVYAZ.RU.
Question and response
Question
dig ns2.GAZSVYAZ.RU. NS
Answer
The response has no answer records.
Authority
gazsvyaz.ru. 3600 SOA ns.gazprom.ru. sysadm.gazprom.ru. 2026012705 7200 900 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0