pdns2.infra.nic.RU has no NS records.
NS records for this zone are defined at infra.nic.RU.
NS records for this zone are defined at infra.nic.RU.
Question and response
Question
dig pdns2.infra.nic.RU. NS
Answer
The response has no answer records.
Authority
infra.nic.RU. 600 SOA pdns.infra.nic.RU. noc-dns.nic.RU. 2023021601 14400 3600 2592000 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0