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DEfO ECH Domain Name Check

The (server-side) script on this page checks whether an HTTPS resource record (RR) is published for a given DNS domain and port (default port being 443), if so, whether there is an ECHConfigList published as part of that, and whether or not ECH works with the web server at that name. That's done using the `kdig` command on the server-side to check for HTTPS RRs, and `curl` with our experimental ECH support enabled to test if ECH works. (Note that `curl` supports more ECH options than browsers, but does not support automated re-tries via `retry-config` so the behaviour reported here will not quite match what browsers exhibit.)

DNS name and port (default: 443) name: port:

Recent services tested, that have some HTTPS RR

NumDateDomainECH StatusHas ECH?HTTPS RR
90722026-06-20T17:12:50+00:00pangolin.lenfir.de111 . alpn="h3,h2" ipv4hint=188.245.178.68 ech=AED+DQA8QQAgACC+DMSpX16A0Zm+Vm/oRO9cgnyod9nGg/3B5WMtPt4bKQAEAAEAAiANZWNoLmxlbmZpci5kZQAA ipv6hint=2a01:4f8:1c1b:dfec::1
90712026-06-20T17:10:16+00:00nitter.lenfir.de10cname
90702026-06-20T16:41:12+00:00cloudflare.com001 . alpn="h3,h2" ipv4hint=104.16.132.229,104.16.133.229 ipv6hint=2606:4700::6810:84e5,2606:4700::6810:85e5
90692026-06-20T12:27:07+00:00ai.burgermeijer.nl112 . alpn="h3,h2,http/1.1" ech=AEn+DQBFrQAgACCTr8VFvqoOot6Nr9ETG9NB2laDd3X64HteTzfd1uBtCQAMAAEAAQABAAIAAQADHg5jb3Zlci5kZWR5bi5pbwAA
90682026-06-20T09:29:15+00:00google.com001 . alpn="h2,h3"
90672026-06-19T18:08:23+00:00google.com001 . alpn="h2,h3"
90662026-06-19T15:32:09+00:00cloudflare.com001 . alpn="h3,h2" ipv4hint=104.16.132.229,104.16.133.229 ipv6hint=2606:4700::6810:84e5,2606:4700::6810:85e5
90652026-06-19T15:19:43+00:002gis.it001 . alpn="h3,h2" ipv4hint=188.114.96.0,188.114.97.0 ipv6hint=2a06:98c1:3120::,2a06:98c1:3121::
90642026-06-19T15:18:30+00:00www.utwente.nl00cname
90632026-06-19T13:36:45+00:00ai.burgermeijer.nl112 . alpn="h3,h2,http/1.1" ech=AE7+DQBKcQAgACCm+zyi4Mw8ZkWHqC8Fps4SJzURtDAKrUHcG7fnaWoheQAMAAEAAQABAAIAAQADIxNlY2guYnVyZ2VybWVpamVyLm5sAAA=
90622026-06-19T13:30:57+00:00burgermeijer.nl112 . alpn="h3,h2,http/1.1" ech=AE7+DQBKcQAgACCm+zyi4Mw8ZkWHqC8Fps4SJzURtDAKrUHcG7fnaWoheQAMAAEAAQABAAIAAQADIxNlY2guYnVyZ2VybWVpamVyLm5sAAA=
90612026-06-19T13:18:21+00:00burgermeijer.nl012 . alpn="h3,h2,http/1.1" ech=AJj+DQBG9AAgACB0JmnvOqtYz+nliYhaqOvNyYKPe/X6pD5RAI/yv0QOUgAMAAEAAQABAAIAAQADHw9idXJnZXJtZWlqZXIubmwAAP4NAEoLACAAIJYPe2d5qTWGkdX5Uu2Xlw7WnVKhIjleSmnTFe8l4NcCAAwAAQABAAEAAgABAAMjE2VjaC5idXJnZXJtZWlqZXIubmwAAA==
90602026-06-19T13:03:45+00:00arhivach.vc111 . alpn="h3,h2" ipv4hint=188.114.96.0,188.114.97.0 ech=AEX+DQBB4wAgACAHb0StlrwaX+Qy7seG9FWNodxpxCt6cP5+1Gl67RejRgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::,2a06:98c1:3121::
90592026-06-19T12:42:02+00:00dns.burgermeijer.nl112 . alpn="h3,h2,http/1.1" ech=AJj+DQBG9AAgACB0JmnvOqtYz+nliYhaqOvNyYKPe/X6pD5RAI/yv0QOUgAMAAEAAQABAAIAAQADHw9idXJnZXJtZWlqZXIubmwAAP4NAEoLACAAIJYPe2d5qTWGkdX5Uu2Xlw7WnVKhIjleSmnTFe8l4NcCAAwAAQABAAEAAgABAAMjE2VjaC5idXJnZXJtZWlqZXIubmwAAA==
90582026-06-19T12:37:42+00:00pihole.burgermeijer.nl112 . alpn="h3,h2,http/1.1" ech=AJj+DQBG9AAgACB0JmnvOqtYz+nliYhaqOvNyYKPe/X6pD5RAI/yv0QOUgAMAAEAAQABAAIAAQADHw9idXJnZXJtZWlqZXIubmwAAP4NAEoLACAAIJYPe2d5qTWGkdX5Uu2Xlw7WnVKhIjleSmnTFe8l4NcCAAwAAQABAAEAAgABAAMjE2VjaC5idXJnZXJtZWlqZXIubmwAAA==
90572026-06-19T12:37:33+00:00doh.burgermeijer.nl112 . alpn="h3,h2,http/1.1" ech=AJj+DQBG9AAgACB0JmnvOqtYz+nliYhaqOvNyYKPe/X6pD5RAI/yv0QOUgAMAAEAAQABAAIAAQADHw9idXJnZXJtZWlqZXIubmwAAP4NAEoLACAAIJYPe2d5qTWGkdX5Uu2Xlw7WnVKhIjleSmnTFe8l4NcCAAwAAQABAAEAAgABAAMjE2VjaC5idXJnZXJtZWlqZXIubmwAAA==
90562026-06-19T12:37:13+00:00mail.burgermeijer.nl112 . alpn="h3,h2,http/1.1" ech=AJj+DQBG9AAgACB0JmnvOqtYz+nliYhaqOvNyYKPe/X6pD5RAI/yv0QOUgAMAAEAAQABAAIAAQADHw9idXJnZXJtZWlqZXIubmwAAP4NAEoLACAAIJYPe2d5qTWGkdX5Uu2Xlw7WnVKhIjleSmnTFe8l4NcCAAwAAQABAAEAAgABAAMjE2VjaC5idXJnZXJtZWlqZXIubmwAAA==
90552026-06-19T12:36:55+00:00mail.burgermeijer.nl112 . alpn="h3,h2,http/1.1" ech=AJj+DQBG9AAgACB0JmnvOqtYz+nliYhaqOvNyYKPe/X6pD5RAI/yv0QOUgAMAAEAAQABAAIAAQADHw9idXJnZXJtZWlqZXIubmwAAP4NAEoLACAAIJYPe2d5qTWGkdX5Uu2Xlw7WnVKhIjleSmnTFe8l4NcCAAwAAQABAAEAAgABAAMjE2VjaC5idXJnZXJtZWlqZXIubmwAAA==
90542026-06-19T12:36:39+00:00ai.burgermeijer.nl112 . alpn="h3,h2,http/1.1" ech=AJj+DQBG9AAgACB0JmnvOqtYz+nliYhaqOvNyYKPe/X6pD5RAI/yv0QOUgAMAAEAAQABAAIAAQADHw9idXJnZXJtZWlqZXIubmwAAP4NAEoLACAAIJYPe2d5qTWGkdX5Uu2Xlw7WnVKhIjleSmnTFe8l4NcCAAwAAQABAAEAAgABAAMjE2VjaC5idXJnZXJtZWlqZXIubmwAAA==
90532026-06-19T11:29:33+00:00youtube.com001 .
90522026-06-19T09:03:45+00:00youtube.com001 .
90512026-06-19T04:24:28+00:00nhentai.net001 . alpn="h2" ipv4hint=104.26.4.188,104.26.5.188,172.67.74.203
90502026-06-19T04:24:16+00:00fmhy.net111 . alpn="h3,h2" ipv4hint=188.114.96.0,188.114.97.0 ech=AEX+DQBBzAAgACDsblZfNCqDrts7auH1OSOHuzyp7cWxIOSiuIjvJdToHwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::,2a06:98c1:3121::
90492026-06-19T01:10:25+00:00app.notion.com001 . alpn="h3,h2" ipv4hint=208.103.161.1,208.103.161.2 ipv6hint=2602:f79a::1,2602:f79a::2
90482026-06-18T19:21:25+00:00newsbeathub.info111 . alpn="h3,h2" ipv4hint=104.21.48.157,172.67.154.81 ech=AEX+DQBBzQAgACB42zANL8UwpsIXSAlC32UmIfYeq8vZUIe79UjKDg8sDwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA=
90472026-06-18T19:20:13+00:00newsbeathub.info111 . alpn="h3,h2" ipv4hint=104.21.48.157,172.67.154.81 ech=AEX+DQBBzQAgACB42zANL8UwpsIXSAlC32UmIfYeq8vZUIe79UjKDg8sDwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA=
90462026-06-18T17:16:08+00:00www.tlk.io111 . alpn="h3,h2" ipv4hint=104.21.92.217,172.67.198.220 ech=AEX+DQBBoQAgACAdKXNn1Kk/A6aDGfL+Yteaf1GcSwq0tE85gp1r32MaZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:5cd9,2606:4700:3037::ac43:c6dc
90452026-06-18T17:15:58+00:00tlk.io111 . alpn="h3,h2" ipv4hint=104.21.92.217,172.67.198.220 ech=AEX+DQBBoQAgACAdKXNn1Kk/A6aDGfL+Yteaf1GcSwq0tE85gp1r32MaZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:5cd9,2606:4700:3037::ac43:c6dc
90442026-06-18T17:15:55+00:00tlk.io111 . alpn="h3,h2" ipv4hint=104.21.92.217,172.67.198.220 ech=AEX+DQBBoQAgACAdKXNn1Kk/A6aDGfL+Yteaf1GcSwq0tE85gp1r32MaZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:5cd9,2606:4700:3037::ac43:c6dc
90432026-06-18T17:15:44+00:00imgchr.com.cdn.cloudflare.net001 . alpn="h3,h2" ipv4hint=104.21.20.36,172.67.191.76 ipv6hint=2606:4700:3031::ac43:bf4c,2606:4700:3034::6815:1424
90422026-06-18T17:13:34+00:00imgchr.com00cname
90412026-06-18T17:13:10+00:00ccnic.net111 . alpn="h3,h2" ipv4hint=188.114.96.0,188.114.97.0 ech=AEX+DQBBoQAgACAdKXNn1Kk/A6aDGfL+Yteaf1GcSwq0tE85gp1r32MaZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::,2a06:98c1:3121::
90402026-06-18T17:12:29+00:00tlk.io111 . alpn="h3,h2" ipv4hint=104.21.92.217,172.67.198.220 ech=AEX+DQBBoQAgACAdKXNn1Kk/A6aDGfL+Yteaf1GcSwq0tE85gp1r32MaZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:5cd9,2606:4700:3037::ac43:c6dc
90392026-06-18T17:12:25+00:00tlk.io111 . alpn="h3,h2" ipv4hint=104.21.92.217,172.67.198.220 ech=AEX+DQBBoQAgACAdKXNn1Kk/A6aDGfL+Yteaf1GcSwq0tE85gp1r32MaZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:5cd9,2606:4700:3037::ac43:c6dc
90382026-06-18T17:12:05+00:00tlk.io111 . alpn="h3,h2" ipv4hint=104.21.92.217,172.67.198.220 ech=AEX+DQBBoQAgACAdKXNn1Kk/A6aDGfL+Yteaf1GcSwq0tE85gp1r32MaZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:5cd9,2606:4700:3037::ac43:c6dc
90372026-06-18T14:09:25+00:00tls-ech.dev111 . ech=AEn+DQBFKwAgACABWIHUGj4u+PIggYXcR5JF0gYk3dCRioBW8uJq9H4mKAAIAAEAAQABAANAEnB1YmxpYy50bHMtZWNoLmRldgAA
90362026-06-18T11:19:54+00:00www.startpage.com00cname
90352026-06-18T10:04:32+00:00kathimerini.gr001 . alpn="h3,h2" ipv4hint=104.20.35.170,172.66.148.202 ipv6hint=2606:4700:10::6814:23aa,2606:4700:10::ac42:94ca
90342026-06-18T10:00:25+00:00iefimerida.gr111 . alpn="h3,h2" ipv4hint=188.114.96.0,188.114.97.0 ech=AEX+DQBB4wAgACCVyKcCs9u44dWtkLzS6nE+sJ9SENL5c56DbEkFrdTMBgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::,2a06:98c1:3121::
90332026-06-18T09:59:30+00:00youtube.com001 .
90322026-06-18T09:40:38+00:00in.gr111 . alpn="h3,h2" ipv4hint=188.114.96.0,188.114.97.0 ech=AEX+DQBB4wAgACCVyKcCs9u44dWtkLzS6nE+sJ9SENL5c56DbEkFrdTMBgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::,2a06:98c1:3121::
90312026-06-18T09:40:10+00:00google.com001 . alpn="h2,h3"
90302026-06-18T01:41:33+00:00frontierhosting.space111 . alpn="h3,h2" ipv4hint=104.21.22.200,172.67.206.231 ech=AEX+DQBB5AAgACAp9izuzZ9Qy/F0fdNQl7lSpSP5fClpvP6OEJ8Riw31bwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:cee7,2606:4700:3031::6815:16c8
90292026-06-18T01:41:02+00:00frontiercomputer.solutions111 . alpn="h3,h2" ipv4hint=104.21.24.147,172.67.219.65 ech=AEX+DQBB5AAgACAp9izuzZ9Qy/F0fdNQl7lSpSP5fClpvP6OEJ8Riw31bwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA=
90282026-06-18T01:39:09+00:00frontiercs.net111 . alpn="h3,h2" ipv4hint=104.21.6.245,172.67.135.128 ech=AEX+DQBB5AAgACAp9izuzZ9Qy/F0fdNQl7lSpSP5fClpvP6OEJ8Riw31bwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA=
90272026-06-18T01:36:22+00:00frontiercs.us111 . alpn="h3,h2" ipv4hint=104.21.2.51,172.67.128.184 ech=AEX+DQBB5AAgACAp9izuzZ9Qy/F0fdNQl7lSpSP5fClpvP6OEJ8Riw31bwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA=
90262026-06-18T01:35:46+00:00frontiercs.ca111 . alpn="h3,h2" ipv4hint=104.21.62.7,172.67.217.125 ech=AEX+DQBB5AAgACAp9izuzZ9Qy/F0fdNQl7lSpSP5fClpvP6OEJ8Riw31bwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA=
90252026-06-17T22:54:55+00:00veck.io111 . alpn="h3,h2" ipv4hint=104.21.87.45,172.67.141.126 ech=AEX+DQBBXQAgACCKtZprehaOOcZuI8UfRINUiU1H1hp2/GZSIeULHEiwSAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8d7e,2606:4700:3033::6815:572d
90242026-06-17T14:16:51+00:00growingswe.com111 . alpn="h3,h2" ipv4hint=104.21.66.43,172.67.156.171 ech=AEX+DQBBcQAgACCLRAjcukzv4fR8BmTwARacd6cY+leAQVPWIttYUEh6LQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:422b,2606:4700:3037::ac43:9cab
90232026-06-17T14:16:08+00:00example.com001 . alpn="h2" ipv4hint=104.20.23.154,172.66.147.243 ipv6hint=2606:4700:10::6814:179a,2606:4700:10::ac42:93f3

File entries: 9072


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Last modified: 2024-07-31, but who cares?