dns1.us
All blocked
Every URL under dns1.us that we can reach a verdict on — 3 of them — is blocked in mainland China. The site itself, http://dns1.us, is blocked. The Great Firewall resets the connection, blocks the connection outright and poisons its DNS. 450 tests have been run under this domain since 2015-02-05, the most recent on 2026-07-17.
The site itself
http://dns1.usBlockedPages and subdomains (10)
http://ko.dns1.usas of 2025Blockedhttp://amz.dns1.usUnresolvablehttp://dei6.dns1.usas of 2026Blockedhttp://shell.dns1.usNot enough datahttp://01.amz.dns1.usUnresolvablehttp://dn.amz.dns1.usUnresolvablehttp://am.amz.dns1.usUnresolvablehttp://zong2.dns1.us/dwNot enough datahttp://ds.amz.dns1.us/ddUnresolvablehttp://ds.amz.dns1.us/s/read/a1_tdx.htmlUnresolvableAbout dns1.us and the Great Firewall
Every URL under dns1.us that we can reach a verdict on — 3 of them — is blocked in mainland China. The site itself, http://dns1.us, is blocked. The Great Firewall resets the connection, blocks the connection outright and poisons its DNS. 450 tests have been run under this domain since 2015-02-05, the most recent on 2026-07-17.
A VPN or another circumvention tool routes the request outside mainland China, past the filtering that blocks dns1.us. GreatFire runs GreatFire VPN; the Analyzer also tests the domains of many VPN and proxy providers, so you can check whether one is reachable before relying on it.
Elsewhere on the site
Each URL's status is its verdict over the last 90 days, the same one its own page headlines.