ns3.dpvps.com.au has no CNAME records.
Question and response
Question
dig ns3.dpvps.com.au. NS
Answer
The response has no answer records.
Authority
dpvps.com.au. 461 SOA ns1.dpvps.com.au. dpvps.com.au. 2026022500 3600 1800 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0