sinodefenceforum.com
All blocked
Every URL under sinodefenceforum.com that we can reach a verdict on — 2 of them — is blocked in mainland China. The site itself, https://sinodefenceforum.com, is blocked. The Great Firewall blocks the connection outright, poisons its DNS and silently drops its packets so requests time out. 29 tests have been run under this domain since 2021-03-05, the most recent on 2026-06-20.
The site itself
https://sinodefenceforum.comBlockedhttps://www.sinodefenceforum.comas of 2026BlockedAbout sinodefenceforum.com and the Great Firewall
Every URL under sinodefenceforum.com that we can reach a verdict on — 2 of them — is blocked in mainland China. The site itself, https://sinodefenceforum.com, is blocked. The Great Firewall blocks the connection outright, poisons its DNS and silently drops its packets so requests time out. 29 tests have been run under this domain since 2021-03-05, the most recent on 2026-06-20.
A VPN or another circumvention tool routes the request outside mainland China, past the filtering that blocks sinodefenceforum.com. 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 .com domainsEvery tested URL under sinodefenceforum.com
Each URL's status is its verdict over the last 90 days, the same one its own page headlines.