Can you open dou4.changeip.net from mainland China?
No.
It's blocked — 100% of the last 1 conclusive tests failed in mainland China.
Access dou4.changeip.net with GreatFireVPN →2016first tested
1/1blocked · last 90 days
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Frequently asked questions
Is dou4.changeip.net blocked in mainland China right now?
As of the last test on 2026-07-16, dou4.changeip.net is 100% blocked in mainland China, based on GreatFire's live Great Firewall measurements.
Why is dou4.changeip.net blocked in mainland China?
It's blocked — 100% of the last 1 conclusive tests failed in mainland China.
Since when has dou4.changeip.net been blocked?
GreatFire has recorded interference with dou4.changeip.net from mainland China since 2016-12-07.
How can I access dou4.changeip.net from mainland China?
You need a circumvention tool such as a VPN. GreatFireVPN, built by GreatFire, is designed to bypass the Great Firewall and reach sites like dou4.changeip.net.
http://dou4.changeip.net · JSON