Can you open http://ct.dnsisp.net/aff.php?aff=11 from mainland China?
No.
No recent testsVerdict from 2026-02-10 · 6 mo ago
As of the last test on 2026-02-10 — 6 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Access ct.dnsisp.net with GreatFireVPN →Frequently asked questions
Is http://ct.dnsisp.net/aff.php?aff=11 blocked in mainland China right now?
We haven't tested http://ct.dnsisp.net/aff.php?aff=11 in the last 90 days. As of the last test on 2026-02-10 (6 mo ago), it was blocked in mainland China. Use the Test now button on this page for a fresh measurement.
Why is http://ct.dnsisp.net/aff.php?aff=11 blocked in mainland China?
As of the last test on 2026-02-10 — 6 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Since when has http://ct.dnsisp.net/aff.php?aff=11 been blocked?
GreatFire has recorded interference with http://ct.dnsisp.net/aff.php?aff=11 from mainland China since 2016-10-12.
How can I access http://ct.dnsisp.net/aff.php?aff=11 from mainland China?
You need a circumvention tool such as a VPN. GreatFireVPN, built by GreatFire, is designed to bypass the Great Firewall and reach sites like ct.dnsisp.net.
http://ct.dnsisp.net/aff.php?aff=11 · JSON