Can you open http://rb.gy/tzf9wf from mainland China?
No.
No recent testsVerdict from 2026-04-20 · 4 mo ago
As of the last test on 2026-04-20 — 4 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
The two are filtered by different means — an unencrypted request by the address and keywords it carries in the clear, an encrypted one by the server name in its TLS handshake — so one working while the other does not is normal.
Frequently asked questions
Is http://rb.gy/tzf9wf blocked in mainland China right now?
We haven't tested http://rb.gy/tzf9wf in the last 90 days. As of the last test on 2026-04-20 (4 mo ago), it was blocked in mainland China. Use the Test now button on this page for a fresh measurement.
Why is http://rb.gy/tzf9wf blocked in mainland China?
As of the last test on 2026-04-20 — 4 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Since when has http://rb.gy/tzf9wf been blocked?
GreatFire has recorded interference with http://rb.gy/tzf9wf from mainland China since 2020-10-09.
How can I access http://rb.gy/tzf9wf 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 rb.gy.
http://rb.gy/tzf9wf · JSON