mail2.kupredu.net has no NS records.
NS records for this zone are defined at kupredu.net.
NS records for this zone are defined at kupredu.net.
Question and response
Question
dig mail2.kupredu.net. NS
Answer
The response has no answer records.
Authority
kupredu.net. 3600 SOA ns.forpsi.net. admin.forpsi.net. 2026022601 14400 3600 2592000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0