All of duck.aiMixed4 tested URLs
Can you open http://www.duck.ai from mainland China?
Yes.
All 3 recent conclusive tests connected normally.
Same address over HTTPS:https://www.duck.aiIntermittent
The two are filtered by different means — an unencrypted request by the address and keywords it carries in the clear, an encrypted one by the server name in its TLS handshake — so one working while the other does not is normal.
2024first tested
0/3disrupted · last 90 days
1 mo agolast tested
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Frequently asked questions
Is http://www.duck.ai blocked in mainland China right now?
As of the last test on 2026-08-24, http://www.duck.ai is not blocked in mainland China, based on GreatFire's live Great Firewall measurements.
http://www.duck.ai · JSON