Can you open c4.4dq.com:81/s/index.html 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.
2014first tested
3 mo agolast tested
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Frequently asked questions
Is c4.4dq.com:81/s/index.html blocked in mainland China right now?
As of the last test on 2026-04-30, c4.4dq.com:81/s/index.html is not resolvable from anywhere we test in mainland China, based on GreatFire's live Great Firewall measurements.
http://c4.4dq.com:81/s/index.html · JSON