Apex domains cannot have CNAME records.
Question and response
Question
dig maxserver.co.id. NS
Answer
maxserver.co.id. 1 NS max.ns.cloudflare.com.
maxserver.co.id. 1 NS dora.ns.cloudflare.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0