The following is a curated "top" list of the most critical Adobe domains frequently found in modern block lists. For a comprehensive list, developers often refer to community-maintained repositories like the Adobe URL Block List on GitHub . Primary Activation & Licensing

These domains handle the core "call home" functions for license verification: activate.adobe.com licenses.adobe.com lm.licenses.adobe.com practivate.adobe.com genuine.adobe.com Telemetry & Analytics These servers collect and receive user data:

This is the Adobe URL/IP block list for the Host file. - GitHub

Adobe apps frequently send usage data (telemetry) to their servers for analytics.

Blocking specific domains can silence intrusive alerts from Adobe's genuine software integrity service.

Some users block updates to ensure that their current, stable version of an app doesn't automatically change or break during a critical project. Top Adobe Domains to Block (Summary)