Can you open f3g4.dynamicdns.biz from mainland China?
Not sure yet.
There isn't enough recent data to reach a verdict.
2016first tested
3 mo agolast tested
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Frequently asked questions
Is f3g4.dynamicdns.biz blocked in mainland China right now?
As of the last test on 2026-04-28, f3g4.dynamicdns.biz is not enough data in mainland China, based on GreatFire's live Great Firewall measurements.
http://f3g4.dynamicdns.biz · JSON