whispersystems.org - Domain Info

The *.whispersystems.org domain is associated with Signal. Details on the application and notable hostnames associated this domain are shown below.

Associated Application

Signal - Messaging
Signal - Logo

Signal (formerly Open Whisper Systems) is an instant group, text, voice, video, document, and picture messaging application which supports end-to-end encryption.

Category Messaging
Application Info Signal

Notable Hostnames

Notable Hostnames Data
The list of notable hostnames comes from not only DNS requests but also HTTP headers, TLS certificates, DNS hinting, and other deep packet inspection methods.

Integration and Custom Solutions

Do you have any questions about integration, APIs or custom development?

Contact Us