vpn.ac
Mostly blocked
5 of the 6 URLs we have a verdict for under vpn.ac are blocked in mainland China; 1 are not. The site itself, https://vpn.ac, is blocked. The Great Firewall poisons its DNS and silently drops its packets so requests time out. 319 tests have been run under this domain since 2013-07-04, the most recent on 2026-08-22.
The site itself
http://vpn.acas of 2026Blockedhttps://vpn.acas of 2026Blockedhttps://vpn.ac:80as of 2026Blockedhttp://www.vpn.acBlockedhttps://www.vpn.acas of 2026IntermittentPages and subdomains (3)
https://vpn.ac/vpn-accountsas of 2026Blockedhttp://au1.vpn.acNot enough datahttp://us1.vpn.acNot enough dataAbout vpn.ac and the Great Firewall
5 of the 6 URLs we have a verdict for under vpn.ac are blocked in mainland China; 1 are not. The site itself, https://vpn.ac, is blocked. The Great Firewall poisons its DNS and silently drops its packets so requests time out. 319 tests have been run under this domain since 2013-07-04, the most recent on 2026-08-22.
A VPN or another circumvention tool routes the request outside mainland China, past the filtering that blocks vpn.ac. 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.