ns.barnaul.avantel.ru has no NS records.
NS records for this zone are defined at barnaul.avantel.ru.
NS records for this zone are defined at barnaul.avantel.ru.
Question and response
Question
dig ns.barnaul.avantel.ru. NS
Answer
The response has no answer records.
Authority
barnaul.avantel.ru. 3600 SOA ns.barnaul.avantel.ru. support.avantel.ru. 2025020516 3600 1800 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0