Part of is-found.orgAll clear4 tested URLs
Can you open http://he.66.33.is-found.org 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.
2017first tested
3 mo agolast tested
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Frequently asked questions
Is http://he.66.33.is-found.org blocked in mainland China right now?
As of the last test on 2026-05-14, http://he.66.33.is-found.org is not resolvable from anywhere we test in mainland China, based on GreatFire's live Great Firewall measurements.
http://he.66.33.is-found.org · JSON