dc1.ravenstar68.co.uk has no NS records.
NS records for this zone are defined at ravenstar68.co.uk.
NS records for this zone are defined at ravenstar68.co.uk.
Question and response
Question
dig dc1.ravenstar68.co.uk. NS
Answer
The response has no answer records.
Authority
ravenstar68.co.uk. 3601 SOA dns1.registrar-servers.com. hostmaster.registrar-servers.com. 1771632576 43200 3600 604800 3601
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0