quad9.net
Mixed
Results vary across quad9.net: of 16 URLs tested, 10 are disrupted some of the time, 1 loads normally and 5 have no conclusive recent result. 512 tests have been run under this domain since 2019-08-03, the most recent on 2026-07-28.
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.
The site itself
http://quad9.netIntermittenthttps://quad9.netas of 2026Not blockedhttps://www.quad9.netas of 2026IntermittentPages and subdomains (13)
http://dns.quad9.netNot enough datahttps://dns.quad9.netIntermittenthttps://dns9.quad9.netas of 2026Intermittenthttp://dns12.quad9.netNot enough datahttp://dns11.quad9.netNot enough datahttps://dns10.quad9.netas of 2026Intermittenthttps://dns11.quad9.netIntermittenthttp://dns.quad9.net/dns-queryNot enough datahttps://dns.quad9.net/dns-queryIntermittenthttp://dns9.quad9.net/dns-queryNot enough datahttps://dns9.quad9.net/dns-queryas of 2026Intermittenthttps://dns10.quad9.net/dns-queryas of 2026Intermittenthttps://dns11.quad9.net/dns-queryas of 2026IntermittentAbout quad9.net and the Great Firewall
Results vary across quad9.net: of 16 URLs tested, 10 are disrupted some of the time, 1 loads normally and 5 have no conclusive recent result. 512 tests have been run under this domain since 2019-08-03, the most recent on 2026-07-28.
Plain HTTP and HTTPS differ here: http://quad9.net is intermittent, https://quad9.net is not blocked. 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.
Elsewhere on the site
Each URL's status is its verdict over the last 90 days, the same one its own page headlines.