ns2.xconnect.id has no CNAME records.
Question and response
Question
dig ns2.xconnect.id. NS
Answer
The response has no answer records.
Authority
xconnect.id. 2659 SOA ns1.xconnect.id. hostmaster.xconnect.id. 2026012801 3600 3600 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0