Is f4.dns04.com blocked in mainland China?

Can you open f4.dns04.com 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.

2016first tested

12 d agolast tested

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Other tested URLs on dns04.com

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

Frequently asked questions

Is f4.dns04.com blocked in mainland China right now?

As of the last test on 2026-07-18, f4.dns04.com is not resolvable from anywhere we test in mainland China, based on GreatFire's live Great Firewall measurements.

http://f4.dns04.com · JSON