prod1.firstfind.nl has no NS records.
NS records for this zone are defined at firstfind.nl.
NS records for this zone are defined at firstfind.nl.
Question and response
Question
dig prod1.firstfind.nl. NS
Answer
The response has no answer records.
Authority
firstfind.nl. 300 SOA ns1-08.azure-dns.com. azuredns-hostmaster.microsoft.com. 1 3600 300 2419200 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0