ns2.reg.uz has no CNAME records.
Question and response
Question
dig ns2.reg.uz. NS
Answer
The response has no answer records.
Authority
reg.uz. 3851 SOA ns1.reg.uz. info.tomas.uz. 2026030501 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0