_domainkey.proclean.uz has no NS records.
NS records for this zone are defined at proclean.uz.
NS records for this zone are defined at proclean.uz.
Question and response
Question
dig _domainkey.proclean.uz. NS
Answer
The response has no answer records.
Authority
proclean.uz. 10800 SOA ns01.uzsci.net. Alexandr\.perfect.gmail.com. 1773652404 10800 3600 604800 10800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0