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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
552024-09-25T14:43:11+00:00wpjohnny.com111 . alpn="h3,h2" ipv4hint=104.21.62.128,172.67.223.201 ech=AEX+DQBBQQAgACBz8lkt7bWqngHUYPfk5+hhzPZs6vnmkwiHcjmRLk7fWAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:3e80,2606:4700:3037::ac43:dfc9
542024-09-25T08:02:37+00:00cloudflare.f-droid.org10cname
532024-09-23T14:02:08+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
522024-09-18T23:01:24+00:00google.com001 . alpn="h2,h3"
512024-09-18T23:01:07+00:00youtube.com001 .
502024-09-18T10:53:04+00:00www.reddit.com00cname
492024-09-15T12:09:13+00:00www.notion.so001 . alpn="h3,h2" ipv4hint=104.18.39.102,172.64.148.154 ipv6hint=2606:4700:4400::6812:2766,2606:4700:4400::ac40:949a
482024-09-15T12:08:46+00:00notion.so001 . alpn="h3,h2" ipv4hint=104.18.39.102,172.64.148.154 ipv6hint=2606:4700:4400::6812:2766,2606:4700:4400::ac40:949a
472024-09-15T12:07:54+00:00konachan.net111 . alpn="h3,h2" ipv4hint=104.21.85.89,172.67.204.59 ech=AEX+DQBBQgAgACAB+AwXBTztGu+7CtNDDaIhlW1rP2uLcPkbALPFZUkNCwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:cc3b,2606:4700:3037::6815:5559
462024-09-15T12:05:17+00:00as.mr00cname
452024-09-15T12:02:28+00:00konachan.com111 . alpn="h3,h2" ipv4hint=104.21.4.105,172.67.131.252 ech=AEX+DQBBQgAgACAB+AwXBTztGu+7CtNDDaIhlW1rP2uLcPkbALPFZUkNCwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:469,2606:4700:3035::ac43:83fc
442024-09-13T06:34:56+00:00chatgpt.com001 . alpn="h2" ipv4hint=104.18.32.47,172.64.155.209 ipv6hint=2606:4700:4400::6812:202f,2606:4700:4400::ac40:9bd1
432024-09-08T11:09:40+00:00pincong.rocks001 . alpn="h3,h2" ipv4hint=104.22.32.251,104.22.33.251,172.67.27.93 ipv6hint=2606:4700:10::6816:20fb,2606:4700:10::6816:21fb,2606:4700:10::ac43:1b5d
422024-09-08T11:08:53+00:00chinadigitaltimes.net001 . alpn="h3,h2" ipv4hint=104.22.42.172,104.22.43.172,172.67.25.190 ipv6hint=2606:4700:10::6816:2aac,2606:4700:10::6816:2bac,2606:4700:10::ac43:19be
412024-09-04T13:42:57+00:00alias-two.esni.defo.ie.000 alias-one.esni.defo.ie.
402024-09-04T13:41:58+00:00test.defo.ie.111 . ech=AEb+DQBCqQAgACBlm7cfDx/gKuUAwRTe+Y9MExbIyuLpLcgTORIdi69uewAEAAEAAQATcHVibGljLnRlc3QuZGVmby5pZQAA
392024-09-03T15:17:20+00:00cover.defo.ie011 . ipv4hint=213.108.108.101 ech=AED+DQA8+AAgACBtE8btRcCU2o/HHnLlWzzWw0q7lUzhHewoMXqdUTd+QAAEAAEAAQANY292ZXIuZGVmby5pZQAA ipv6hint=2a00:c6c0:0:116:5::10
382024-09-03T15:17:03+00:00alias-one.esni.defo.ie000 cover.defo.ie.
372024-09-03T15:16:26+00:00alias-two.esni.defo.ie000 alias-one.esni.defo.ie.
362024-09-03T15:13:09+00:00alias-three.esni.defo.ie000 alias-two.esni.defo.ie.
352024-08-29T10:15:23+00:00secure.globalsign.com00cname
342024-08-29T09:58:08+00:00www.hiveworkshop.com111 . alpn="h3,h2" ipv4hint=188.114.96.0,188.114.97.0 ech=AEX+DQBB6wAgACCEeT6/I29zbh6IEnfQzSJAYc8D0b8dMUIFbi9rQc4aPwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::,2a06:98c1:3121::
332024-08-29T09:55:06+00:00rte.ie001 . alpn="h3,h2" ipv4hint=104.18.124.28,104.18.125.28 ipv6hint=2606:4700::6812:7c1c,2606:4700::6812:7d1c
322024-08-28T10:04:49+00:00secure.globalsign.com00[ [
312024-08-28T09:56:52+00:00cloudflare.com001 . alpn="h3,h2" ipv4hint=104.16.132.229,104.16.133.229 ipv6hint=2606:4700::6810:84e5,2606:4700::6810:85e5
302024-08-28T09:56:19+00:00defo.ie111 . ipv4hint=213.108.108.101 ech=AED+DQA85wAgACBOwmpUWR/8htzFdYBaLomDuYISgaBx5zQ6wSNy2NR6VwAEAAEAAQANY292ZXIuZGVmby5pZQAA ipv6hint=2a00:c6c0:0:116:5::10
292024-08-05T14:48:39+00:00hidden.hoba.ie111 . ech=ADr+DQA2EwAgACBw3THaJjZeS5VeqJ69bi5cQv8zAMCjWkCUTNMppYA+QAAEAAEAAQAHaG9iYS5pZQAA
282024-08-04T00:09:44+00:00defo.ie111 . ipv4hint=213.108.108.101 ech=AED+DQA8GAAgACAD7cQ1y02s6N6U1+kU45t5NtUO7vPF8vXWhGp4vXMZNQAEAAEAAQANY292ZXIuZGVmby5pZQAA ipv6hint=2a00:c6c0:0:116:5::10
272024-08-04T00:09:35+00:00dodgy.test.defo.ie01[ 1 . ech ] [1 . ech=Cg== ] [1 . ech=YWJjCg== ] [1 . ech=eHl6dwo= ] [10000 . ech=dG90YWwtY3JhcAo= ]
262024-08-04T00:05:59+00:00draft-13.esni.defo.ie:8413111 draft-13.esni.defo.ie. ipv4hint=213.108.108.101 ech=AED+DQA8GAAgACAD7cQ1y02s6N6U1+kU45t5NtUO7vPF8vXWhGp4vXMZNQAEAAEAAQANY292ZXIuZGVmby5pZQAA ipv6hint=2a00:c6c0:0:116:5::10
252024-08-04T00:04:10+00:00crypto.cloudflare.com111 . alpn="http/1.1,h2" ipv4hint=162.159.137.85,162.159.138.85 ech=AEX+DQBB6gAgACBWukmyNYFJeU6HK2+wrHDHCk/raIfagvKqm3gmyZ1jewAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:7::a29f:8955,2606:4700:7::a29f:8a55
242024-08-01T19:02:31+00:00tls-ech.dev111 . ech=AEn+DQBFKwAgACABWIHUGj4u+PIggYXcR5JF0gYk3dCRioBW8uJq9H4mKAAIAAEAAQABAANAEnB1YmxpYy50bHMtZWNoLmRldgAA
232024-08-01T17:05:52+00:00rte.ie001 . alpn="h3,h2" ipv4hint=104.18.124.28,104.18.125.28 ipv6hint=2606:4700::6812:7c1c,2606:4700::6812:7d1c
222024-08-01T17:05:03+00:00draft-13.esni.defo.ie:11413111 draft-13.esni.defo.ie. ipv4hint=213.108.108.101 ech=AED+DQA8/AAgACBBjXbrHTUY2Aty/GJBDjLRwdxT+FCnPYU6alHh7zKMPAAEAAEAAQANY292ZXIuZGVmby5pZQAA ipv6hint=2a00:c6c0:0:116:5::10
212024-08-01T17:04:49+00:00defo.ie111 . ipv4hint=213.108.108.101 ech=AED+DQA8/AAgACBBjXbrHTUY2Aty/GJBDjLRwdxT+FCnPYU6alHh7zKMPAAEAAEAAQANY292ZXIuZGVmby5pZQAA ipv6hint=2a00:c6c0:0:116:5::10
202024-08-01T16:48:18+00:00defo.ie111 . ipv4hint=213.108.108.101 ech=AED+DQA8/AAgACBBjXbrHTUY2Aty/GJBDjLRwdxT+FCnPYU6alHh7zKMPAAEAAEAAQANY292ZXIuZGVmby5pZQAA ipv6hint=2a00:c6c0:0:116:5::10
192024-08-01T16:44:06+00:00draft-13.esni.defo.ie:10413111 draft-13.esni.defo.ie. ipv4hint=213.108.108.101 ech=AED+DQA8/AAgACBBjXbrHTUY2Aty/GJBDjLRwdxT+FCnPYU6alHh7zKMPAAEAAEAAQANY292ZXIuZGVmby5pZQAA ipv6hint=2a00:c6c0:0:116:5::10
182024-08-01T16:43:43+00:00draft-13.esni.defo.ie:8413111 draft-13.esni.defo.ie. ipv4hint=213.108.108.101 ech=AED+DQA8/AAgACBBjXbrHTUY2Aty/GJBDjLRwdxT+FCnPYU6alHh7zKMPAAEAAEAAQANY292ZXIuZGVmby5pZQAA ipv6hint=2a00:c6c0:0:116:5::10
172024-08-01T12:22:26+00:00test.defo.ie111 . ech=AEb+DQBCqQAgACBlm7cfDx/gKuUAwRTe+Y9MExbIyuLpLcgTORIdi69uewAEAAEAAQATcHVibGljLnRlc3QuZGVmby5pZQAA
162024-07-31T14:00:34+00:00tls-ech.dev111 . ech=AEn+DQBFKwAgACABWIHUGj4u+PIggYXcR5JF0gYk3dCRioBW8uJq9H4mKAAIAAEAAQABAANAEnB1YmxpYy50bHMtZWNoLmRldgAA
152024-07-31T13:54:56+00:00rte.ie001 . alpn="h3,h2" ipv4hint=104.18.124.28,104.18.125.28 ipv6hint=2606:4700::6812:7c1c,2606:4700::6812:7d1c
142024-07-31T12:00:11+00:00defo.ie111 . ipv4hint=213.108.108.101 ech=AED+DQA8YgAgACAPheSayWZfKxFKINwaykbO1ppTuLK35JiAcmz6Y4DxJwAEAAEAAQANY292ZXIuZGVmby5pZQAA ipv6hint=2a00:c6c0:0:116:5::10
132024-07-31T11:54:13+00:00rte.ie001 . alpn="h3,h2" ipv4hint=104.18.124.28,104.18.125.28 ipv6hint=2606:4700::6812:7c1c,2606:4700::6812:7d1c
122024-07-31T01:00:44+00:00tls-ech.dev111 . ech=AEn+DQBFKwAgACABWIHUGj4u+PIggYXcR5JF0gYk3dCRioBW8uJq9H4mKAAIAAEAAQABAANAEnB1YmxpYy50bHMtZWNoLmRldgAA
112024-07-31T01:00:31+00:00my-own.net111 . alpn="h2,http/1.1" ech=AKv+DQA1ZwAgACDy+IQ4C1UWeKyaFSi5Xj8ArbnZP4qvI+eaiAehqyHcGgAEAAEAAQAGZm9vLmllAAD+DQA1rgAgACAYXiABgLR2yPrKn2kEDARv9LZdebfyRU4+NEKv8iKlRQAEAAEAAQAGZm9vLmllAAD+DQA1NwAgACDu0tC0zALy7SX1aQeKMLBs1vi0O8+06+AAMic1oNYrRwAEAAEAAQAGZm9vLmllAAA=
102024-07-31T00:59:37+00:00mixedmode-ng.test.defo.ie01[ 0 test.defo.ie. ] [1 . ipv4hint=185.88.140.5 ech=AEv+DQBHdAAgACCCU49qdxKOUXJPs3wlsM06v/t42sMH5xQOL37MAd3HaAAEAAEAAQAYb3RoZXJwdWJsaWMudGVzdC5kZWZvLmllAAA= ipv6hint=2a00:c6c0:0:134:2::1 ]
92024-07-31T00:44:52+00:00defo.ie111 . ipv4hint=213.108.108.101 ech=AED+DQA8TgAgACC7+1ZuuKT4MwPGaSRfIGtKvw7k9S/IJmHViFofCqYoaQAEAAEAAQANY292ZXIuZGVmby5pZQAA ipv6hint=2a00:c6c0:0:116:5::10
82024-07-31T00:31:07+00:00tcd.ie00none
72024-07-31T00:30:35+00:00mixedmode-ng.test.defo.ie01[ 0 test.defo.ie. ] [1 . ipv4hint=185.88.140.5 ech=AEv+DQBHdAAgACCCU49qdxKOUXJPs3wlsM06v/t42sMH5xQOL37MAd3HaAAEAAEAAQAYb3RoZXJwdWJsaWMudGVzdC5kZWZvLmllAAA= ipv6hint=2a00:c6c0:0:134:2::1 ]
62024-07-31T00:29:37+00:00jell.ie00none
52024-07-31T00:29:29+00:00defo.ie111 . ipv4hint=213.108.108.101 ech=AED+DQA8TgAgACC7+1ZuuKT4MwPGaSRfIGtKvw7k9S/IJmHViFofCqYoaQAEAAEAAQANY292ZXIuZGVmby5pZQAA ipv6hint=2a00:c6c0:0:116:5::10
42024-07-31T00:27:07+00:00curves1-ng.test.defo.ie11[ 1 . ipv4hint=185.88.140.5 ech=AEv+DQBHdAAgACCCU49qdxKOUXJPs3wlsM06v/t42sMH5xQOL37MAd3HaAAEAAEAAQAYb3RoZXJwdWJsaWMudGVzdC5kZWZvLmllAAA= ipv6hint=2a00:c6c0:0:134:2::1 ] [1 . ipv4hint=185.88.140.5 ech=AGf+DQBjngAQAEEEFgkLkdHS+tz18PXmdYpYBZdKGxjBm+WNG9AsKNaOCj4bmDbuF4KyvHEZGj6+Wls1VBe1OXierpjGiYOEriOWnAAEAAIAAwATcHVibGljLnRlc3QuZGVmby5pZQAA ipv6hint=2a00:c6c0:0:134:2::1 ]
32024-07-31T00:22:02+00:00v3-ng.test.defo.ie11[ 2 . ipv4hint=185.88.140.5 ech=AEv+DQBHdAAgACCCU49qdxKOUXJPs3wlsM06v/t42sMH5xQOL37MAd3HaAAEAAEAAQAYb3RoZXJwdWJsaWMudGVzdC5kZWZvLmllAAA= ipv6hint=2a00:c6c0:0:134:2::1 ] [1 . ech=AEb+DQBCqQAgACBlm7cfDx/gKuUAwRTe+Y9MExbIyuLpLcgTORIdi69uewAEAAEAAQATcHVibGljLnRlc3QuZGVmby5pZQAA ]
22024-07-31T00:21:52+00:00jell.ie00none
12024-07-31T00:17:47+00:00crypto.cloudflare.com111 . alpn="http/1.1,h2" ipv4hint=162.159.137.85,162.159.138.85 ech=AEX+DQBBXAAgACD2SX44Xt+KpAtI6T+P2HWSa/aPy71EPd77d+ROQHpjFAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:7::a29f:8955,2606:4700:7::a29f:8a55

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