Is 9921.uk.to blocked in mainland China?

Can you open 9921.uk.to 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

1 mo agolast tested

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Other tested URLs on uk.to

Blocking varies across uk.to: 1 blocked vs 1 accessible among tested hosts.

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

Frequently asked questions

Is 9921.uk.to blocked in mainland China right now?

As of the last test on 2026-06-23, 9921.uk.to is not resolvable from anywhere we test in mainland China, based on GreatFire's live Great Firewall measurements.

http://9921.uk.to · JSON