hosting-03.ptdes.net has no CNAME records.
Question and response
Question
dig hosting-03.ptdes.net. NS
Answer
The response has no answer records.
Authority
ptdes.net. 3600 SOA hosting.ptdes.net. hostmaster.des.net.id. 2025092901 1800 3600 1209600 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0