In your credentials file, you must provide your [`authToken` and optionally an `ownerAccountId`](https://www.hosting.de/api/#requests-and-authentication).
hosting.de has the concept of _nameserver sets_ but this provider does not implement it.
The `HOSTINGDE` provider **ignores the default nameserver set** defined in your account to avoid unintentional changes and consolidate the full configuration in DNSControl.
Instead, it uses hosting.de's nameservers (`ns1.hosting.de.`, `ns2.hosting.de.`, and `ns3.hosting.de.`) by default, regardless of your account settings.
Using the `default_ns` metadata, the default nameserver set can be overwritten.