Is ardc.ddns.net blocked in mainland China?

Can you open ardc.ddns.net 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.

2016first tested

3 mo agolast tested

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Other tested URLs on ddns.net

Blocking varies across ddns.net: 5 blocked vs 2 accessible among tested hosts.

Each verdict covers the last 90 days of tests, as on that URL's own page.

Frequently asked questions

Is ardc.ddns.net blocked in mainland China right now?

As of the last test on 2026-04-28, ardc.ddns.net is not resolvable from anywhere we test in mainland China, based on GreatFire's live Great Firewall measurements.

http://ardc.ddns.net · JSON