Apex domains cannot have CNAME records.
Question and response
Question
dig layang.id. NS
Answer
layang.id. 5 NS rita.ns.cloudflare.com.
layang.id. 5 NS karl.ns.cloudflare.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0