Apex domains cannot have CNAME records.
Question and response
Question
dig trimitra.net.id. NS
Answer
trimitra.net.id. 4 NS ns2.trimitra.net.id.
trimitra.net.id. 4 NS ns1.trimitra.net.id.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0