Can you open sub.kotenbu.workers.dev 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.
2022first tested
26 d agolast tested
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Other tested URLs on workers.dev
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Frequently asked questions
Is sub.kotenbu.workers.dev blocked in mainland China right now?
As of the last test on 2026-07-04, sub.kotenbu.workers.dev is not resolvable from anywhere we test in mainland China, based on GreatFire's live Great Firewall measurements.
http://sub.kotenbu.workers.dev · JSON