npi-tu.runnet.ru has no NS records.
NS records for this zone are defined at runnet.ru.
NS records for this zone are defined at runnet.ru.
Question and response
Question
dig npi-tu.runnet.ru. NS
Answer
The response has no answer records.
Authority
runnet.ru. 600 SOA ns.runnet.ru. hostmaster.runnet.ru. 2025121500 10800 1800 1209600 600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0