dns2.lon.datapipe.net has no NS records.
NS records for this zone are defined at lon.datapipe.net.
NS records for this zone are defined at lon.datapipe.net.
Question and response
Question
dig dns2.lon.datapipe.net. NS
Answer
The response has no answer records.
Authority
lon.datapipe.net. 5 SOA ns1.datapipe.net. hostmaster.datapipe.net. 2020012105 10800 3600 604800 5
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0