WatchGuard

Blobking

1. See whether a site is categorized (WebBlocker Server)
2. WatchGuard ReputationAuthority
3. ForcePoint CSI: ACE Insight (WebSense Cloud)

Other

https://www.watchguard.com/help/docs/wsm/xtm_11/en-us/content/en-us/fsm/clear_webblocker_cache_wsm.html