ns2.uniserver.nl has no NS records.
NS records for this zone are defined at uniserver.nl.
NS records for this zone are defined at uniserver.nl.
Question and response
Question
dig ns2.uniserver.nl. NS
Answer
The response has no answer records.
Authority
uniserver.nl. 300 SOA ns1.uniserver.nl. postmaster.uniserver.nl. 2002014403 14400 1800 604800 300
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0