app.dutyfree.uz has no NS records.
NS records for this zone are defined at dutyfree.uz.
NS records for this zone are defined at dutyfree.uz.
Question and response
Question
dig app.dutyfree.uz. NS
Answer
The response has no answer records.
Authority
dutyfree.uz. 10800 SOA ns01.uzsci.net. info.dutyfree.uz. 1747111608 10800 3600 604800 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0