smtp4.adam.net.au has no NS records.
NS records for this zone are defined at adam.net.au.
NS records for this zone are defined at adam.net.au.
Question and response
Question
dig smtp4.adam.net.au. NS
Answer
The response has no answer records.
Authority
adam.net.au. 10800 SOA eden.adam.com.au. hostmaster.adam.com.au. 2022030801 10800 3600 3600000 10800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0