Apex domains cannot have CNAME records.
Question and response
Question
dig redemption.uz. NS
Answer
redemption.uz. 3 NS ns1.redemption.uz.
Authority
The response has no authority records.
Additional
ns1.redemption.uz. 3 A 91.212.89.6
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0