jupiter.is.co.za has no CNAME records.
Question and response
Question
dig jupiter.is.co.za. NS
Answer
The response has no answer records.
Authority
is.co.za. 3255 SOA ns1.is.co.za. support.is.co.za. 2026022601 28800 7200 604800 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0