mon-ext-hetzner-hel01.world4you.guru has no NS records.
NS records for this zone are defined at world4you.guru.
NS records for this zone are defined at world4you.guru.
Question and response
Question
dig mon-ext-hetzner-hel01.world4you.guru. NS
Answer
The response has no answer records.
Authority
world4you.guru. 3600 SOA ns-ionos.ui-dns.com. dnsadmin.ionos.com. 2025042416 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0