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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
34622025-07-05T19:57:21+00:00slashlib.me111 . alpn="h3,h2" ipv4hint=104.26.6.124,104.26.7.124,172.67.69.137 ech=AEX+DQBBHgAgACBhzwh2FqeQWAwWr2mMa6BX9Ywnqnzd0ANvnT0XzrWLbAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:20::681a:67c,2606:4700:20::681a:77c,2606:4700:20::ac43:4589
34612025-07-05T19:57:08+00:00dns.coffee111 . alpn="h3,h2" ipv4hint=104.21.57.149,172.67.146.166 ech=AEX+DQBBHgAgACBhzwh2FqeQWAwWr2mMa6BX9Ywnqnzd0ANvnT0XzrWLbAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:3995,2606:4700:3036::ac43:92a6
34602025-07-05T19:56:50+00:00facebook.com00[ 1 . alpn="h2,h3" ] [2 star-mini.fallback.c10r.facebook.com. alpn="h2,h3" ]
34592025-07-05T19:56:36+00:00cloudflare.com001 . alpn="h3,h2" ipv4hint=104.16.132.229,104.16.133.229 ipv6hint=2606:4700::6810:84e5,2606:4700::6810:85e5
34582025-07-05T19:56:26+00:00cloudflare.com001 . alpn="h3,h2" ipv4hint=104.16.132.229,104.16.133.229 ipv6hint=2606:4700::6810:84e5,2606:4700::6810:85e5
34572025-07-05T18:23:19+00:00slashlib.me111 . alpn="h3,h2" ipv4hint=104.26.6.124,104.26.7.124,172.67.69.137 ech=AEX+DQBB0QAgACDOZULLZcFr/+0II5ACGzuQqTqNEklGTBnUneGbhUznegAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:20::681a:67c,2606:4700:20::681a:77c,2606:4700:20::ac43:4589
34562025-07-05T17:41:52+00:00dns.coffee111 . alpn="h3,h2" ipv4hint=104.21.57.149,172.67.146.166 ech=AEX+DQBBVgAgACDlya862XkbuaEDO1oAA3ljyTyDawJ+8q04e+DnmmnRDAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:3995,2606:4700:3036::ac43:92a6
34552025-07-05T17:31:21+00:00detours.bgpmon.io111 . alpn="h3,h2" ipv4hint=188.114.96.0,188.114.97.0 ech=AEX+DQBBVgAgACDlya862XkbuaEDO1oAA3ljyTyDawJ+8q04e+DnmmnRDAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::,2a06:98c1:3121::
34542025-07-05T05:48:56+00:00untappd.com001 . alpn="h2" ipv4hint=104.22.36.93,104.22.37.93,172.67.7.135 ipv6hint=2606:4700:10::6816:245d,2606:4700:10::6816:255d,2606:4700:10::ac43:787
34532025-07-04T14:28:34+00:001337x.to111 . alpn="h3,h2" ipv4hint=104.21.40.193,172.67.188.67 ech=AEX+DQBBRAAgACBnfXnUdie3UFaBvlI3GEVxSlKBj/xcFtwWHlNDJfBhSwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:bc43,2606:4700:3035::6815:28c1
34522025-07-04T13:33:41+00:00farhad.yshadan.ir111 . alpn="h3,h2" ipv4hint=104.21.13.141,172.67.132.227 ech=AEX+DQBBLQAgACDrOWOOA7zVKUGUMd9SqXeeUOg5fj8vdGVlG3FTCinPVgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:d8d,2606:4700:3030::ac43:84e3
34512025-07-04T13:31:00+00:00france.fandogh3.ir111 . alpn="h3,h2" ipv4hint=104.21.35.241,172.67.181.122 ech=AEX+DQBBLQAgACDrOWOOA7zVKUGUMd9SqXeeUOg5fj8vdGVlG3FTCinPVgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:23f1,2606:4700:3032::ac43:b57a
34502025-07-04T07:01:28+00:00astrakov.pro001 . alpn="h3,h2" ipv4hint=188.114.96.0,188.114.97.0 ipv6hint=2a06:98c1:3120::,2a06:98c1:3121::
34492025-07-03T20:04:08+00:00google.com001 . alpn="h2,h3"
34482025-07-03T19:54:27+00:00youtube.com001 .
34472025-07-03T19:16:01+00:00cloudflare.com001 . alpn="h3,h2" ipv4hint=104.16.132.229,104.16.133.229 ipv6hint=2606:4700::6810:84e5,2606:4700::6810:85e5
34462025-07-03T19:08:09+00:00google.com001 . alpn="h2,h3"
34452025-07-03T19:07:26+00:00noodlemagazine.com001 . alpn="h3,h2" ipv4hint=185.149.135.3 ipv6hint=2a0b:85c7:ffff::3
34442025-07-03T19:07:05+00:00instagram.com00[ 2 z-p42-instagram.fallback.c10r.facebook.com. alpn="h2,h3" ] [1 . alpn="h2,h3" ]
34432025-07-03T19:06:03+00:00cloudfare.com111 . alpn="h3,h2" ipv4hint=188.114.96.0,188.114.97.0 ech=AEX+DQBB2QAgACAzw4lzJlfbVs3wGWUAINAO/iu4yxGKNXL54CMWhGE0PQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::,2a06:98c1:3121::
34422025-07-03T19:05:52+00:00facebook.com00[ 2 star-mini.fallback.c10r.facebook.com. alpn="h2,h3" ] [1 . alpn="h2,h3" ]
34412025-07-03T14:53:20+00:00elsalvador.travel111 . alpn="h3,h2" ipv4hint=104.21.80.189,172.67.153.73 ech=AEX+DQBBtgAgACC2qwn++9yRgn3G628N5+y1KBo9u3+z7UhWafGDET75QQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:9949,2606:4700:3037::6815:50bd
34402025-07-03T14:10:35+00:00cloudflare-dns.com001 . alpn="h3,h2" ipv4hint=104.16.248.249,104.16.249.249 ipv6hint=2606:4700::6810:f8f9,2606:4700::6810:f9f9
34392025-07-03T11:53:31+00:00gsrc.eu.org:844310cname
34382025-07-03T11:52:50+00:00gsrc.eu.org:844310cname
34372025-07-03T09:45:59+00:000xy.link111 . alpn="h3,h2" ipv4hint=104.21.16.1,104.21.32.1,104.21.48.1,104.21.64.1,104.21.80.1,104.21.96.1,104.21.112.1 ech=AEX+DQBB/gAgACBnTfy7+OP7MoCe3P7rYXbsdGrvmDLxqzxNV16FO07cPwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1001,2606:4700:3030::6815:2001,2606:4700:3030::6815:3001,2606:4700:3030::6815:4001,2606:4700:3030::6815:5001,2606:4700:3030::6815:6001,2606:4700:3030::6815:7001
34362025-07-03T07:04:55+00:00newsru.co.il001 . alpn="h2" ipv4hint=104.26.14.2,104.26.15.2,172.67.75.226 ipv6hint=2606:4700:20::681a:e02,2606:4700:20::681a:f02,2606:4700:20::ac43:4be2
34352025-07-02T21:58:29+00:00ccf-arn.sda.rip001 . alpn="h2" ipv4hint=104.21.61.74,172.67.207.94 ipv6hint=2606:4700:3032::ac43:cf5e,2606:4700:3037::6815:3d4a
34342025-07-02T19:30:01+00:00higgsfield.ai001 . alpn="h2" ipv4hint=104.18.14.164,104.18.15.164 ipv6hint=2606:4700::6812:ea4,2606:4700::6812:fa4
34332025-07-02T15:48:24+00:00liga.net001 . alpn="h3,h2" ipv4hint=104.18.6.71,104.18.7.71 ipv6hint=2606:4700::6812:647,2606:4700::6812:747
34322025-07-02T15:41:47+00:00google.com001 . alpn="h2,h3"
34312025-07-02T11:27:48+00:00defo.ie111 . ipv4hint=213.108.108.101 ech=AED+DQA8PwAgACBvrS3by0BLyqxyoeOATRrsuDX4p9ZARn4BCp4NZ9fqHAAEAAEAAQANY292ZXIuZGVmby5pZQAA ipv6hint=2a00:c6c0:0:116:5::10
34302025-07-02T09:04:23+00:00tradingapi.genumm.com111 . alpn="h3,h2" ipv4hint=104.21.44.11,172.67.192.202 ech=AEX+DQBB2wAgACCMzB0lz7v3VYMOaDt1VmNbUUUcmHdtTMQh6pQ/nVf3CAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2c0b,2606:4700:3034::ac43:c0ca
34292025-07-02T04:40:26+00:00theins.ru111 . alpn="h2" ipv4hint=104.22.46.104,104.22.47.104,172.67.21.173 ech=AEX+DQBBygAgACB6khAvnlG5wIbGCPpJC2SYBlQfOTrFJR5066tk2xK+JgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:10::6816:2e68,2606:4700:10::6816:2f68,2606:4700:10::ac43:15ad
34282025-07-01T20:54:45+00:00zerkalo.io111 . alpn="h3,h2" ipv4hint=104.26.6.122,104.26.7.122,172.67.68.109 ech=AEX+DQBBAQAgACAuJOfZY35NBstIsVPxv9FFeBvF0oV9VOqjfuWIFcMUbwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:20::681a:67a,2606:4700:20::681a:77a,2606:4700:20::ac43:446d
34272025-07-01T20:48:24+00:00youtube.com001 .
34262025-07-01T14:10:10+00:00kinozal.tv111 . alpn="h3,h2" ipv4hint=188.114.96.0,188.114.97.0 ech=AEX+DQBB0gAgACD5gjIHPXKUPmdoqwRkKxPyNLbT5MpOKPyb1T5B/mQuHgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::,2a06:98c1:3121::
34252025-07-01T09:41:44+00:00cloudbot.uk001 . alpn="h2" ipv4hint=104.25.173.110,104.25.174.110,172.67.81.107 ipv6hint=2606:4700:20::6819:ad6e,2606:4700:20::6819:ae6e,2606:4700:20::ac43:516b
34242025-07-01T09:23:26+00:00ap-stage.pro001 . alpn="h3,h2" ipv4hint=104.21.16.1,104.21.32.1,104.21.48.1,104.21.64.1,104.21.80.1,104.21.96.1,104.21.112.1 ipv6hint=2606:4700:3030::6815:1001,2606:4700:3030::6815:2001,2606:4700:3030::6815:3001,2606:4700:3030::6815:4001,2606:4700:3030::6815:5001,2606:4700:3030::6815:6001,2606:4700:3030::6815:7001
34232025-07-01T04:52:07+00:00navashino.korsc.ru001 . alpn="h3,h2" ipv4hint=104.21.53.64,172.67.209.102 ipv6hint=2606:4700:3035::6815:3540,2606:4700:3037::ac43:d166
34222025-07-01T04:51:14+00:00vivi-uzbekistan.org111 . alpn="h3,h2" ipv4hint=188.114.96.0,188.114.97.0 ech=AEX+DQBBBwAgACBcIpVDwJSolZ/vTSlYiPFHl8tSCJOIHDccUmAvZKlkZwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::,2a06:98c1:3121::
34212025-07-01T04:50:42+00:00vivi-kazino.com111 . alpn="h3,h2" ipv4hint=104.21.40.221,172.67.157.38 ech=AEX+DQBBBwAgACBcIpVDwJSolZ/vTSlYiPFHl8tSCJOIHDccUmAvZKlkZwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9d26,2606:4700:3033::6815:28dd
34202025-06-30T18:20:29+00:00ech.enolppaem.cfd011 . ech=/g0ASBEAIAAg0vOXpXfyT2W5e0MmVmwUqn/ghY5DzgTGxBeWy4m6KUwADAABAAEAAQACAAEAAyERZWNoLmVub2xwcGFlbS5jZmQAAA==
34192025-06-30T16:41:11+00:00chaoticwolf.com111 . alpn="h3,h2" ipv4hint=104.21.16.1,104.21.32.1,104.21.48.1,104.21.64.1,104.21.80.1,104.21.96.1,104.21.112.1 ech=AEX+DQBBngAgACBSOTmXJIaQ9+QrghwwNxmxD2WndXv2EAVi6vjrwn48EAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1001,2606:4700:3030::6815:2001,2606:4700:3030::6815:3001,2606:4700:3030::6815:4001,2606:4700:3030::6815:5001,2606:4700:3030::6815:6001,2606:4700:3030::6815:7001
34182025-06-30T13:35:43+00:00crypto.cloudflare.com001 . alpn="h2" ipv4hint=162.159.135.79,162.159.136.79 ipv6hint=2606:4700:7::a29f:874f,2606:4700:7::a29f:884f
34172025-06-30T10:47:25+00:001337x.to111 . alpn="h3,h2" ipv4hint=104.21.40.193,172.67.188.67 ech=AEX+DQBBbAAgACDVYx9tihVq+tNopzaQsnMFn7SmHr84mbYqMfJu/GtIdgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:bc43,2606:4700:3035::6815:28c1
34162025-06-30T10:44:39+00:00thepiratebay.org001 . alpn="h3,h2" ipv4hint=162.159.136.6,162.159.137.6 ipv6hint=2606:4700:7::a29f:8806,2606:4700:7::a29f:8906
34152025-06-30T07:31:15+00:00xhamster.com001 . alpn="h3,h2" ipv4hint=104.18.146.40,104.18.147.40 ipv6hint=2606:4700::6812:9228,2606:4700::6812:9328
34142025-06-29T23:55:19+00:00downloaderto.com111 . alpn="h3,h2" ipv4hint=104.21.43.103,172.67.178.33 ech=AEX+DQBBRwAgACBsfT8NdUmVq0O5AviR5yulV8Nf2xYiI5NFQJHeECXHcQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:2b67,2606:4700:3032::ac43:b221
34132025-06-29T20:29:17+00:00google.com001 . alpn="h2,h3"

File entries: 3462


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