dns2.webspace.uz has no CNAME records.
Question and response
Question
dig dns2.webspace.uz. NS
Answer
The response has no answer records.
Authority
webspace.uz. 1881 SOA dns3.webspace.uz. hostmaster.webspace.uz. 2026012700 3600 3600 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0