smtp-relay.connect.net.pk has no NS records.
NS records for this zone are defined at connect.net.pk.
NS records for this zone are defined at connect.net.pk.
Question and response
Question
dig smtp-relay.connect.net.pk. NS
Answer
The response has no answer records.
Authority
connect.net.pk. 86400 SOA dns.connect.net.pk. asifkhan.connect.net.pk. 2022102651 86400 86400 345600 345600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0