mail.mailpv.net has no NS records.
NS records for this zone are defined at mailpv.net.
NS records for this zone are defined at mailpv.net.
Question and response
Question
dig mail.mailpv.net. NS
Answer
The response has no answer records.
Authority
mailpv.net. 3600 SOA ns1.viidakko.fi. admin.dnsimple.com. 1727955770 86400 7200 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0