smtp.bdo.com.pk has no NS records.
NS records for this zone are defined at bdo.com.pk.
NS records for this zone are defined at bdo.com.pk.
Question and response
Question
dig smtp.bdo.com.pk. NS
Answer
The response has no answer records.
Authority
bdo.com.pk. 300 SOA ns1.cyber.net.pk. support.rapidcompute.com. 2025121601 10800 3600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0