rt2perf.opsx.nl has no NS records.
NS records for this zone are defined at opsx.nl.
NS records for this zone are defined at opsx.nl.
Question and response
Question
dig rt2perf.opsx.nl. NS
Answer
The response has no answer records.
Authority
opsx.nl. 120 SOA ns03.etherned.nl. networking.ipvisie.com. 2025121601 21600 3600 604800 120
Additional
. 0 OPT ; payload 1460, xrcode 0, version 0, flags 0