Can you open https://rethinkdns.com/configure from mainland China?
No.
No recent testsVerdict from 2026-05-14 · 3 mo ago
As of the last test on 2026-05-14 — 3 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
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.
Frequently asked questions
Is https://rethinkdns.com/configure blocked in mainland China right now?
We haven't tested https://rethinkdns.com/configure in the last 90 days. As of the last test on 2026-05-14 (3 mo ago), it was blocked in mainland China. Use the Test now button on this page for a fresh measurement.
Why is https://rethinkdns.com/configure blocked in mainland China?
As of the last test on 2026-05-14 — 3 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Since when has https://rethinkdns.com/configure been blocked?
GreatFire has recorded interference with https://rethinkdns.com/configure from mainland China since 2025-04-07.
How can I access https://rethinkdns.com/configure 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 rethinkdns.com.
https://rethinkdns.com/configure · JSON