ptr.personal.net.py has no MX records.
Question and response
Question
dig ptr.personal.net.py. MX
Answer
The response has no answer records.
Authority
ptr.personal.net.py. 60 SOA ns1.personal.net.py. sva_tecnica.personal.com.py. 2025120501 86400 7200 3600000 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0