Can you open dns.quad9.net from mainland China?
Not sure yet.
There isn't enough recent data to reach a verdict.
2019first tested
2 mo agolast tested
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Frequently asked questions
Is dns.quad9.net blocked in mainland China right now?
As of the last test on 2026-06-06, dns.quad9.net is not enough data in mainland China, based on GreatFire's live Great Firewall measurements.
http://dns.quad9.net · JSON