Can you open cn4.rti.tw 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.
2021first tested
4 mo agolast tested
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Frequently asked questions
Is cn4.rti.tw blocked in mainland China right now?
As of the last test on 2026-03-22, cn4.rti.tw is not resolvable from anywhere we test in mainland China, based on GreatFire's live Great Firewall measurements.
http://cn4.rti.tw · JSON