All countries
Drone rules and no-fly zones in Germany
Where to check airspace before flying a drone in Germany, and who publishes it.
Civil aviation authority
LBA / DFS
Official sources
These point at the authorities themselves rather than at a copy, because a copy goes stale without saying so.
In the app
No zone geometry is bundled for Germany yet. The map links to the official source rather than guessing at it.
Open the map