mail2.ugansk.net has no NS records.
NS records for this zone are defined at ugansk.net.
NS records for this zone are defined at ugansk.net.
Question and response
Question
dig mail2.ugansk.net. NS
Answer
The response has no answer records.
Authority
ugansk.net. 3600 SOA ns1.ugansk.net. hostmaster.ugansk.net. 2019400470 10800 1800 36000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0