Can you open 55.duckdns.org from mainland China?
Not sure yet.
There isn't enough recent data to reach a verdict.
2015first tested
6 mo agolast tested
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Other tested URLs on duckdns.org
Blocking varies across duckdns.org: 27 blocked vs 7 accessible among tested hosts.
http://duckdns.orgBlockedhttps://duckdns.orgNot blockedhttps://duckdns.org/updateas of 2026Not blockedhttp://66.duckdns.orgNot enough datahttp://77.duckdns.orgNot enough datahttp://u2.duckdns.orgNot enough datahttp://e6.duckdns.orgas of 2024Blockedhttp://227.duckdns.orgas of 2024Blockedhttp://329.duckdns.orgNot enough datahttp://332.duckdns.orgNot enough datahttp://336.duckdns.orgas of 2026Blockedhttp://556.duckdns.orgNot enough datahttp://233.duckdns.orgBlockedhttp://357.duckdns.orgas of 2025Blockedhttp://722.duckdns.orgNot enough datahttp://522.duckdns.orgNot enough datahttp://921.duckdns.orgas of 2024Blockedhttp://356.duckdns.orgNot enough datahttp://236.duckdns.orgNot enough datahttp://225.duckdns.orgNot enough datahttp://776.duckdns.orgNot enough datahttp://339.duckdns.orgNot enough datahttp://www.duckdns.orgas of 2026Blockedhttp://hui.duckdns.orgNot enough datahttp://yy4.duckdns.orgNot enough datahttp://iok.duckdns.orgas of 2026Blockedhttp://itmc.duckdns.orgNot enough datahttp://66.duckdns.org/fNot enough datahttps://www.duckdns.orgas of 2026Not blockedhttp://8bit.duckdns.orgBlockedhttps://iok.duckdns.orgNot blockedhttps://hui.duckdns.orgNot enough datahttps://yy4.duckdns.orgUnresolvablehttp://r207.duckdns.orgNot enough datahttp://g4li.duckdns.orgas of 2023Blockedhttp://ionel.duckdns.orgNot enough datahttp://66.duckdns.org/ffNot enough datahttp://77.duckdns.org/tvNot enough datahttp://236.duckdns.org/fNot enough datahttp://k3.duckdns.org/5wNot enough datahttp://leapp.duckdns.orgas of 2026Blockedhttp://78977.duckdns.orgIntermittenthttp://nukia.duckdns.orgBlockedhttps://xeth.duckdns.orgUnresolvablehttp://356.duckdns.org/tvNot enough datahttp://921.duckdns.org/tvas of 2023Blockedhttp://236.duckdns.org/ffNot enough datahttps://ertel.duckdns.orgas of 2025Not blockedhttps://rg13p.duckdns.orgas of 2024Not blockedhttp://chtway.duckdns.orgNot enough datahttp://pigcat.duckdns.orgNot enough datahttp://makblr.duckdns.orgNot enough datahttps://ubwin.duckdns.orgNot enough datahttp://cwcyrix.duckdns.orgNot enough datahttp://gpwheek.duckdns.orgUnresolvablehttp://e7.duckdns.org/go/5as of 2024Blockedhttp://e7.duckdns.org/go/7as of 2024Blockedhttp://jackawu.duckdns.orgNot enough datahttp://krislam.duckdns.orgNot enough datahttp://andypi2.duckdns.orgNot enough datahttp://yanshui.duckdns.orgNot enough datahttps://home27.duckdns.orgas of 2023Not blockedhttp://ruyonet.duckdns.orgas of 2026Blockedhttp://fresnel.duckdns.orgas of 2025Blockedhttps://novpnn.duckdns.orgas of 2025Blockedhttp://blproxy.duckdns.orgNot enough datahttp://jjhenus.duckdns.orgNot enough datahttps://myhome.duckdns.orgNot enough datahttp://h23.duckdns.org/go/2as of 2023Blockedhttp://ssu.duckdns.org/go/7as of 2024Blockedhttp://h23.duckdns.org/go/7Not enough datahttp://ssu.duckdns.org/go/5as of 2024Blockedhttp://h23.duckdns.org/go/5as of 2023Blockedhttp://u2.duckdns.org/go/9sNot enough datahttp://u2.duckdns.org/go/3dNot enough datahttp://u2.duckdns.org/go/5vBlockedhttp://ss2.duckdns.org/go/2as of 2024Blockedhttp://ss2.duckdns.org/go/7as of 2024Blockedhttp://ss2.duckdns.org/go/9as of 2024BlockedEach verdict covers the last 90 days of tests, as on that URL's own page.
Frequently asked questions
Is 55.duckdns.org blocked in mainland China right now?
As of the last test on 2026-02-09, 55.duckdns.org is not enough data in mainland China, based on GreatFire's live Great Firewall measurements.
http://55.duckdns.org · JSON