dnepr.so.ua has no NS records.
NS records for this zone are defined at so.ua.
NS records for this zone are defined at so.ua.
Question and response
Question
dig dnepr.so.ua. NS
Answer
The response has no answer records.
Authority
so.ua. 14400 SOA ns10.uadns.com. hostmaster.nic.ua. 2025032050 28800 7200 3600000 86400
Additional
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0