ns3.personal.net.py has no CNAME records.
Question and response
Question
dig ns3.personal.net.py. NS
Answer
The response has no answer records.
Authority
personal.net.py. 3600 SOA ns1.personal.net.py. sva_tecnica.personal.com.py. 2026020500 2000 3600 3600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0