Privacy ​

The website and app, do NOT process, collect or transmit sensitive data! The app stores the data locally on the machine.

Security ​

The app processes all data locally on the end device. Basically NO essential data is sent to external places. Exceptions here are :

• DNS queries within the app (e.g. CAA Check Tool) are processed via Google DNS Resolver.
• CRL and OCSP Check communicate with the provided services of the respective CA.
• (Android/iOS/Windows) TLS Check is performed from a server in Germany. If OpenSSL is installed on the end device, the check is performed by the end device.