Can you open burt.ns.cloudflare.com from mainland China?
Yes.
No recent testsVerdict from 2026-01-24 · 6 mo ago
As of the last test on 2026-01-24 — 6 mo ago — it was reachable in mainland China. We haven't tested it since, so this may have changed.
2016first tested
6 mo agolast tested
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Other tested URLs on cloudflare.com
Blocking varies across cloudflare.com: 2 blocked vs 65 accessible among tested hosts.
http://cloudflare.comNot blockedhttps://cloudflare.comIntermittenthttp://cloudflare.com:8443Not blockedhttp://cloudflare.com/cdn-cgi/traceNot blockedhttps://cloudflare.com/cdn-cgi/traceNot blockedhttp://cloudflare.com:8443/cdn-cgi/traceNot blockedhttp://cloudflare.com/zh-cn/what-is-cloudflareas of 2025Redirected inside mainland Chinahttp://cn.cloudflare.comNot blockedhttp://ns.cloudflare.comas of 2025Not blockedhttp://cp.cloudflare.comas of 2026Not blockedhttp://www.cloudflare.comas of 2026Not blockedhttps://cn.cloudflare.comas of 2026Not blockedhttp://amp.cloudflare.comNot blockedhttp://api.cloudflare.comas of 2024Intermittenthttps://ct.cloudflare.comas of 2026Not blockedhttp://dns.cloudflare.comas of 2026Intermittenthttps://cp.cloudflare.comas of 2026Not blockedhttps://www.cloudflare.comNot blockedhttp://ajax.cloudflare.comNot enough datahttps://dns.cloudflare.comas of 2026Blockedhttp://time.cloudflare.comas of 2024Intermittenthttps://api.cloudflare.comas of 2026Not blockedhttp://dash.cloudflare.comNot blockedhttp://turn.cloudflare.comNot blockedhttp://cdnjs.cloudflare.comas of 2025Not blockedhttps://ajax.cloudflare.comas of 2024Not blockedhttps://dash.cloudflare.comNot blockedhttps://blog.cloudflare.comas of 2026Not blockedhttps://time.cloudflare.comas of 2024Blockedhttp://speed.cloudflare.comas of 2026Not blockedhttps://stun.cloudflare.comNot blockedhttp://uma.ns.cloudflare.comNot blockedhttps://cdnjs.cloudflare.comNot blockedhttps://radar.cloudflare.comNot blockedhttps://speed.cloudflare.comas of 2026Not blockedhttps://pages.cloudflare.comNot blockedhttps://a.nel.cloudflare.comNot blockedhttp://dina.ns.cloudflare.comas of 2026Not blockedhttp://elle.ns.cloudflare.comNot blockedhttp://leah.ns.cloudflare.comNot blockedhttp://norm.ns.cloudflare.comIntermittenthttp://etta.ns.cloudflare.comNot blockedhttp://dane.ns.cloudflare.comNot blockedhttp://dell.ns.cloudflare.comas of 2026Not blockedhttp://lily.ns.cloudflare.comNot blockedhttp://karl.ns.cloudflare.comas of 2026Intermittenthttps://crypto.cloudflare.comNot blockedhttp://domains.cloudflare.comNot blockedhttp://sima.ns.cloudflare.comas of 2026Not blockedhttp://amber.ns.cloudflare.comas of 2026Not blockedhttps://www.cloudflare.com/dnsas of 2026Not blockedhttps://malcolm.cloudflare.comNot blockedhttps://workers.cloudflare.comas of 2026Not blockedhttp://h3.speed.cloudflare.comas of 2026Not blockedhttp://www.cloudflare.com:8443Not blockedhttps://partners.cloudflare.comNot blockedhttps://www.cloudflare.com/warpIntermittenthttps://one.dash.cloudflare.comNot blockedhttps://h3.speed.cloudflare.comas of 2026Not blockedhttps://research.cloudflare.comas of 2026Not blockedhttps://rtc.live.cloudflare.comNot blockedhttps://www.cloudflare.com/zh-cnas of 2026Intermittenthttps://www.cloudflare.com/en-gbas of 2026Not blockedhttp://challenges.cloudflare.comNot blockedhttp://valid.rpki.cloudflare.comas of 2026Not blockedhttps://community.cloudflare.comNot blockedhttps://www.cloudflare.com/drop/Not blockedhttps://valid.rpki.cloudflare.comas of 2026Not blockedhttps://dash.cloudflare.com/loginNot blockedhttps://developers.cloudflare.comNot blockedhttps://www.cloudflare.com/ja-jp/as of 2026Not blockedhttps://www.cloudflare.com/zh-tw/as of 2026Intermittenthttps://challenges.cloudflare.comNot blockedhttps://www.cloudflare.com/en-ca/Not blockedhttps://www.cloudflare.com/sign-upas of 2026Not blockedhttps://www.cloudflare.com/a/loginas of 2026Not blockedhttp://invalid.rpki.cloudflare.comNot enough datahttps://www.cloudflare.com/1.1.1.1as of 2026Not blockedhttps://invalid.rpki.cloudflare.comas of 2025Not blockedEach verdict covers the last 90 days of tests, as on that URL's own page.
Frequently asked questions
Is burt.ns.cloudflare.com blocked in mainland China right now?
We haven't tested burt.ns.cloudflare.com in the last 90 days. As of the last test on 2026-01-24 (6 mo ago), it was reachable in mainland China. Use the Test now button on this page for a fresh measurement.
http://burt.ns.cloudflare.com · JSON