Is http://pmtu.su.beck.sx blocked in mainland China?

Can you open http://pmtu.su.beck.sx 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

6 mo agolast tested

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

Frequently asked questions

Is http://pmtu.su.beck.sx blocked in mainland China right now?

As of the last test on 2026-02-24, http://pmtu.su.beck.sx is not resolvable from anywhere we test in mainland China, based on GreatFire's live Great Firewall measurements.

http://pmtu.su.beck.sx · JSON