ns3.tomsk.avantel.ru has no NS records.
NS records for this zone are defined at tomsk.avantel.ru.
NS records for this zone are defined at tomsk.avantel.ru.
Question and response
Question
dig ns3.tomsk.avantel.ru. NS
Answer
The response has no answer records.
Authority
tomsk.avantel.ru. 3600 SOA ns3.tomsk.avantel.ru. noc.avantel.ru. 2026012701 3600 1800 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0