nden1.fvds.ru has no NS records.
NS records for this zone are defined at fvds.ru.
NS records for this zone are defined at fvds.ru.
Question and response
Question
dig nden1.fvds.ru. NS
Answer
The response has no answer records.
Authority
fvds.ru. 3600 SOA ns1.firstvds.ru. tech.firstvds.ru. 2024076970 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0