Apex domains cannot have CNAME records.
Question and response
Question
dig gms.net.id. NS
Answer
gms.net.id. 5 NS ns4.gms.net.id.
gms.net.id. 5 NS ns3.gms.net.id.
gms.net.id. 5 NS ns1.gms.net.id.
gms.net.id. 5 NS ns2.gms.net.id.
Authority
The response has no authority records.
Additional
ns1.gms.net.id. 5 A 185.136.96.88
ns2.gms.net.id. 5 A 185.136.97.88
ns3.gms.net.id. 5 A 185.136.98.88
ns4.gms.net.id. 5 A 185.136.99.88
ns1.gms.net.id. 5 AAAA 2a06:fb00:1:0:0:0:1:88
ns2.gms.net.id. 5 AAAA 2a06:fb00:1:0:0:0:2:88
ns3.gms.net.id. 5 AAAA 2a06:fb00:1:0:0:0:3:88
ns4.gms.net.id. 5 AAAA 2a06:fb00:1:0:0:0:4:88
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0