mx.handelshuysgoudinkoop.nl has no NS records.
NS records for this zone are defined at handelshuysgoudinkoop.nl.
NS records for this zone are defined at handelshuysgoudinkoop.nl.
Question and response
Question
dig mx.handelshuysgoudinkoop.nl. NS
Answer
The response has no answer records.
Authority
handelshuysgoudinkoop.nl. 3601 SOA dns1.registrar-servers.com. hostmaster.registrar-servers.com. 1773753214 43200 3600 604800 3601
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0