Apex domains cannot have CNAME records.
Question and response
Question
dig padi.net.id. NS
Answer
padi.net.id. 3 NS ns2.padinet.com.
padi.net.id. 3 NS ns3.padinet.com.
padi.net.id. 3 NS ns1.padinet.com.
Authority
The response has no authority records.
Additional
ns1.padinet.com. 3 A 202.6.233.11
ns2.padinet.com. 3 A 117.102.253.44
ns3.padinet.com. 3 A 204.74.222.53
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0