mail.iforte.net.id has no CNAME records.
Question and response
Question
dig mail.iforte.net.id. NS
Answer
The response has no answer records.
Authority
iforte.net.id. 10800 SOA ns1.iforte.net.id. hostmaster.iforte.net.id. 2026022013 7200 3600 1209600 38400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0