611study.icu
All blocked
Every URL under 611study.icu that we can reach a verdict on — 4 of them — is blocked in mainland China. The site itself, https://611study.icu, is blocked. The Great Firewall poisons its DNS, silently drops its packets so requests time out and blocks the connection outright. 29 tests have been run under this domain since 2025-02-02, the most recent on 2026-08-17.
The site itself
http://611study.icuas of 2026Blockedhttps://611study.icuBlockedPages and subdomains (2)
https://611study.icu/zh-CNBlockedhttps://www.611study.icu/zh-CNas of 2026BlockedAbout 611study.icu and the Great Firewall
Every URL under 611study.icu that we can reach a verdict on — 4 of them — is blocked in mainland China. The site itself, https://611study.icu, is blocked. The Great Firewall poisons its DNS, silently drops its packets so requests time out and blocks the connection outright. 29 tests have been run under this domain since 2025-02-02, the most recent on 2026-08-17.
A VPN or another circumvention tool routes the request outside mainland China, past the filtering that blocks 611study.icu. 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
Most-blocked .icu domainsEvery tested URL under 611study.icu
Each URL's status is its verdict over the last 90 days, the same one its own page headlines.