centrum.cz
Mostly blocked
4 of the 5 URLs we have a verdict for under centrum.cz are blocked in mainland China; 1 are not. The site itself, https://centrum.cz, is blocked. The Great Firewall silently drops its packets so requests time out. 150 tests have been run under this domain since 2012-04-04, the most recent on 2026-08-23.
The site itself
http://centrum.czBlockedhttps://centrum.czBlockedhttp://www.centrum.czIntermittentPages and subdomains (2)
http://mail.centrum.czas of 2026Blockedhttp://www.mail.centrum.czas of 2026BlockedAbout centrum.cz and the Great Firewall
4 of the 5 URLs we have a verdict for under centrum.cz are blocked in mainland China; 1 are not. The site itself, https://centrum.cz, is blocked. The Great Firewall silently drops its packets so requests time out. 150 tests have been run under this domain since 2012-04-04, the most recent on 2026-08-23.
A VPN or another circumvention tool routes the request outside mainland China, past the filtering that blocks centrum.cz. 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.