GreatFire
Part of letsencrypt.orgMixed13 tested URLs

Can you open http://ocsp.int-x3.letsencrypt.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.

Same address over HTTPS:https://ocsp.int-x3.letsencrypt.orgUnresolvable
2020first tested
6 mo agolast tested
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Frequently asked questions

Is http://ocsp.int-x3.letsencrypt.org blocked in mainland China right now?

As of the last test on 2026-03-25, http://ocsp.int-x3.letsencrypt.org is not resolvable from anywhere we test in mainland China, based on GreatFire's live Great Firewall measurements.

http://ocsp.int-x3.letsencrypt.org · JSON