medlib.uzsci.net has no NS records.
NS records for this zone are defined at uzsci.net.
NS records for this zone are defined at uzsci.net.
Question and response
Question
dig medlib.uzsci.net. NS
Answer
The response has no answer records.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0