Apex domains cannot have CNAME records.
Question and response
Question
dig qsmt2024.las.uz. NS
Answer
qsmt2024.las.uz. 5 NS ns1.qsmt2024.las.uz.
qsmt2024.las.uz. 5 NS ns2.qsmt2024.las.uz.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0