Apex domains cannot have CNAME records.
Question and response
Question
dig skynet.kg. NS
Answer
skynet.kg. 4 NS austin.ns.cloudflare.com.
skynet.kg. 4 NS jamie.ns.cloudflare.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0