ns1.european-server.eu has no NS records.
NS records for this zone are defined at european-server.eu.
NS records for this zone are defined at european-server.eu.
Question and response
Question
dig ns1.european-server.eu. NS
Answer
The response has no answer records.
Authority
european-server.eu. 3600 SOA ns3.european-server.com. hostmaster.european-server.eu. 1718015276 10800 3600 604800 40000
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0