mail.universal.net.id has no CNAME records.
Question and response
Question
dig mail.universal.net.id. NS
Answer
The response has no answer records.
Authority
universal.net.id. 3600 SOA ns1.universal.net.id. hostmaster.universal.net.id. 2022060525 1200 120 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0