ota.to
Mixed
Results vary across ota.to: of 2 URLs tested, 1 is blocked and 1 is disrupted some of the time. The Great Firewall silently drops its packets so requests time out and breaks its TLS handshake. 73 tests have been run under this domain since 2015-03-19, the most recent on 2026-03-16.
Pages and subdomains (2)
http://p.ota.toas of 2026Intermittenthttps://p.ota.toas of 2026BlockedAbout ota.to and the Great Firewall
Results vary across ota.to: of 2 URLs tested, 1 is blocked and 1 is disrupted some of the time. The Great Firewall silently drops its packets so requests time out and breaks its TLS handshake. 73 tests have been run under this domain since 2015-03-19, the most recent on 2026-03-16.
A VPN or another circumvention tool routes the request outside mainland China, past the filtering that blocks ota.to. 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.