Apex domains cannot have CNAME records.
Question and response
Question
dig griliato.uz. NS
Answer
griliato.uz. 5 NS ns1.tildadns.com.
griliato.uz. 5 NS ns2.tildadns.com.
Authority
The response has no authority records.
Additional
ns1.tildadns.com. 5 A 162.159.26.196
ns2.tildadns.com. 5 A 162.159.27.221
ns1.tildadns.com. 5 AAAA 2400:cb00:2049:1:0:0:a29f:1ac4
ns2.tildadns.com. 5 AAAA 2400:cb00:2049:1:0:0:a29f:1bdd
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0