dnsa.nominetdns.uk has no NS records.
NS records for this zone are defined at nominetdns.uk.
NS records for this zone are defined at nominetdns.uk.
Question and response
Question
dig dnsa.nominetdns.uk. NS
Answer
The response has no answer records.
Authority
nominetdns.uk. 3600 SOA dns1.nominetdns.uk. hostmaster.nominet.org.uk. 1710842263 900 300 2419200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0