threema.ch
Mixed
Results vary across threema.ch: of 14 URLs tested, 2 are blocked, 6 are disrupted some of the time and 6 load normally. The Great Firewall poisons its DNS, blocks the connection outright and silently drops its packets so requests time out. 286 tests have been run under this domain since 2015-10-06, the most recent on 2026-08-19.
The site itself
http://threema.chas of 2026Intermittenthttps://threema.chIntermittenthttp://www.threema.chas of 2026Intermittenthttps://www.threema.chIntermittentPages and subdomains (10)
https://threema.ch/enas of 2026Intermittenthttps://threema.ch?utm_source=chatgpt.comIntermittenthttp://api.threema.chBlockedhttp://Web.threema.chas of 2024Not blockedhttps://api.threema.chBlockedhttps://web.threema.chas of 2026Not blockedhttps://apip.threema.chas of 2026Not blockedhttps://work.threema.chas of 2026Not blockedhttps://work.threema.ch/api/v1/Not blockedhttps://gateway.threema.ch/de/developer/apias of 2026Not blockedAbout threema.ch and the Great Firewall
Results vary across threema.ch: of 14 URLs tested, 2 are blocked, 6 are disrupted some of the time and 6 load normally. The Great Firewall poisons its DNS, blocks the connection outright and silently drops its packets so requests time out. 286 tests have been run under this domain since 2015-10-06, the most recent on 2026-08-19.
A VPN or another circumvention tool routes the request outside mainland China, past the filtering that blocks threema.ch. 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.