ns3.ncuk.net.uk has no NS records.
NS records for this zone are defined at ncuk.net.uk.
NS records for this zone are defined at ncuk.net.uk.
Question and response
Question
dig ns3.ncuk.net.uk. NS
Answer
The response has no answer records.
Authority
ncuk.net.uk. 3600 SOA ns0.ncuk.net. hostmaster.ncuk.com. 2019121801 7200 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0