bea.hetzner.venuemanager.net has no NS records.
NS records for this zone are defined at venuemanager.net.
NS records for this zone are defined at venuemanager.net.
Question and response
Question
dig bea.hetzner.venuemanager.net. NS
Answer
The response has no answer records.
Authority
venuemanager.net. 300 SOA ns-cloud-c1.googledomains.com. cloud-dns-hostmaster.google.com. 14 21600 3600 259200 300
Additional
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0