dns2.ixnetworks.nl has no NS records.
NS records for this zone are defined at ixnetworks.nl.
NS records for this zone are defined at ixnetworks.nl.
Question and response
Question
dig dns2.ixnetworks.nl. NS
Answer
The response has no answer records.
Authority
ixnetworks.nl. 1800 SOA hasslo.ns.cloudflare.com. dns.cloudflare.com. 2398105853 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0