iij.jp
All blocked
Every URL under iij.jp that we can reach a verdict on — 2 of them — is blocked in mainland China. The Great Firewall breaks its TLS handshake. 78 tests have been run under this domain since 2021-03-05, the most recent on 2026-06-12.
Pages and subdomains (3)
http://public.dns.iij.jpNot enough datahttps://public.dns.iij.jpas of 2026Blockedhttps://public.dns.iij.jp/dns-queryas of 2026BlockedAbout iij.jp and the Great Firewall
Every URL under iij.jp that we can reach a verdict on — 2 of them — is blocked in mainland China. The Great Firewall breaks its TLS handshake. 78 tests have been run under this domain since 2021-03-05, the most recent on 2026-06-12.
A VPN or another circumvention tool routes the request outside mainland China, past the filtering that blocks iij.jp. 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.