Is u2.undo.it/w blocked in mainland China?

Can you open u2.undo.it/w from mainland China?

N/A.

This domain doesn't resolve anywhere we test — including our control outside mainland China — so it appears inactive or unregistered rather than blocked.

2015first tested

4 mo agolast tested

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Other tested URLs on undo.it

Each verdict covers the last 90 days of tests, as on that URL's own page.

Frequently asked questions

Is u2.undo.it/w blocked in mainland China right now?

As of the last test on 2026-03-21, u2.undo.it/w is not resolvable from anywhere we test in mainland China, based on GreatFire's live Great Firewall measurements.

http://u2.undo.it/w · JSON