zzb.bz
Mixed
Results vary across zzb.bz: of 13 URLs tested, 10 are blocked and 3 are disrupted some of the time. The Great Firewall resets the connection and silently drops its packets so requests time out. 512 tests have been run under this domain since 2013-09-17, the most recent on 2026-07-08.
The site itself
http://zzb.bzas of 2026IntermittentPages and subdomains (12)
http://zzb.bz/7qGriBlockedhttp://zzb.bz/FykdLas of 2026Blockedhttp://zzb.bz/NyH5BBlockedhttp://zzb.bz/y13szBlockedhttp://zzb.bz/ZyKl9Blockedhttp://zzb.bz/9FHVCBlockedhttp://zzb.bz/idfSHas of 2026Blockedhttp://zzb.bz/ka5qLBlockedhttp://zzb.bz/s1fvbBlockedhttp://zzb.bz/3M7yzas of 2026Intermittenthttp://zzb.bz/w8Vgeas of 2026Intermittenthttp://zzb.bz/6bNhEBlockedAbout zzb.bz and the Great Firewall
Results vary across zzb.bz: of 13 URLs tested, 10 are blocked and 3 are disrupted some of the time. The Great Firewall resets the connection and silently drops its packets so requests time out. 512 tests have been run under this domain since 2013-09-17, the most recent on 2026-07-08.
A VPN or another circumvention tool routes the request outside mainland China, past the filtering that blocks zzb.bz. GreatFire runs GreatFire VPN; the Analyzer also tests the domains of many VPN and proxy providers, so you can check whether one is reachable before relying on it.
Elsewhere on the site
Each URL's status is its verdict over the last 90 days, the same one its own page headlines.