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Experimental DNS Privacy Recursive Servers



The following servers are configured to support TLS on port 853 for testing purposes.

Note that they are experimental offerings with no guarantees on the lifetime of the service, service level provided. The level of logging may also vary (see the individual websites where available) - the information here about logging has not been verified.

Also note that the single SPKI pins published here for many of these servers are subject to change (e.g on Certificate renewal) and should be used with care!!

ANYCAST SERVICES:

  • Quad9 (9.9.9.9) and Cloudflare (1.1.1.1) offer DNS-over-TLS on port 853 - details below

A YAML configuration file for Stubby containing a the details of these servers is provided with Stubby and can be found here. This file enables only the subset of servers operated by the stubby/getdns developers by default, users can choose to enable any of the other servers by uncommenting the relevant section (occasionally the file lags this page).

**Note that the Yeti servers use a different root key for DNSSEC! See the Yeti project for more details

Hosted byIP addressesTLS PortsHostname for TLS
authentication
Base 64 encoded form of SPKI pin(s) for TLS
authentication (RFC7858)
TLSA record publishedLoggingSoftwareNotes
1) The following are currently enabled in the default Stubby config file because they are run by the stubby/getdns developers and have no known issues.
Surfnet

145.100.185.15
2001:610:1:40ba:145:100:185:15

853
443

dnsovertls.sinodun.com

62lKu9HsDVbyiPenApnc4sfmSYTHOVfFgL3pyB+cBL4=

YTraffic volume onlyHAProxy + BIND 9.12


Surfnet

145.100.185.16
2001:610:1:40ba:145:100:185:16

853
443

dnsovertls1.sinodun.com

cE2ecALeE5B+urJhDrJlVFmf38cJLAvqekONvjvpqUA=

YTraffic volume onlyNginx + BIND


getdnsapi.net

185.49.141.37
2a04:b900:0:100::37

853getdnsapi.net

foxZRnIh9gZpWnl+zEiKa0EJ2rdCGroMWm02gaxSc9S=

YTraffic volume onlyUnbound
2) Anycast services (with no/minimal logging)
Quad9 'secure'

9.9.9.9
2620:fe::fe

853dns.quad9.netQuad9 do NOT publish or recommend use of SPKI pins with their servers.
See https://quad9.net and their FAQ for details of privacy, logging and filtering policies on the main and alternative addresses(1). UDP and TCP service are also available on these addresses.

Quad9 'insecure'

9.9.9.10
2620:fe::10

853dns.quad9.net
Cloudflare

1.1.1.1 or 1.0.0.1
2606:4700:4700::1111 or 2606:4700:4007::1001

853cloudflare-dns.comCloudflare do NOT publish or recommend use of SPKI pins with their servers.

https://blog.cloudflare.com/announcing-1111/
https://blog.cloudflare.com/dns-resolver-1-1-1-1/
PRIVACY POLICY: https://developers.cloudflare.com/1.1.1.1/commitment-to-privacy/privacy-policy/privacy-policy/

And also see https://labs.apnic.net/?p=1127 for details of the APNIC/Cloudflare agreement as mentioned on the Register.

UDP and TCP service are also available on these addresses. DNS-over-HTTPS is also available!

NOTE: To use this service by name only (i.e resolve the IP from the name) use 1dot1dot1dot1.cloudflare-dns.com.

3) Other servers with no/minimal logging
UncensoredDNS

89.233.43.71 
2a01:3a0:53:53::0

853

unicast.censurfridns.dk

wikE3jYAA6jQmXYTr/rbHeEPmC78dQwZbQp6WdrseEs=YTraffic volume only
See https://blog.uncensoreddns.org/
Surfnet145.100.185.18
2001:610:1:40ba:145:100:185:18
853dnsovertls3.sinodun.com

5SpFz7JEPzF71hditH1v2dBhSErPUMcLPJx1uk2svT8=

YTraffic volume onlyHAProxy + BINDSupports TLS 1.3 and TLS 1.2. We think our stability problems are solved... see here for details. NOTE: This is using OpenSSL master branch, commit 3e524bf. This is using TLS 1.3 draft-23 revision - you may experience interop problems if your client is using an earlier draft implementation.
Surfnet

145.100.185.17
2001:610:1:40ba:145:100:185:17

853dnsovertls2.sinodun.comNAXBESvpjZMnPWQcrxa2KFIkHV/pDEIjRkA3hLWogSg=YTraffic volume onlyKnot ResolverHas some issues with DNSSEC responses - this is under investigation.
dkg

199.58.81.218
2001:470:1c:76d::53

853 443

53053

dns.cmrg.net

3IOHSS48KOc/zlkKGtI46a9TY9PPKDVGhE3W2ZS4JZo=
5zFN3smRPuHIlM/8L+hANt99LW26T97RFHqHv90awjo=


NoneKnot Resolver

See https://dns.cmrg.net/ Note that on port 443 this server can serve both HTTP 1.1 traffic (to securely access the nameserver credentials) on TLS connections and DNS-over-TLS on separate TLS connections due to some nifty, experimental demultiplexing of traffic, described here.

Has some issues with DNSSEC responses - this is under investigation.

dns.larsdebruin.net (Previously dns1.darkmoon.is)

51.15.70.167853

UPDATED on 30 Jan 2018
dns.larsdebruin.net

UPDATED on 30 Jan 2018 AAT+rHoKx5wQkWhxlfrIybFocBu3RBrPD2/ySwIwmvA=


Traffic volume onlyUnbound
securedns.eu

146.185.167.43
2a03:b0c0:0:1010::e9a:3001

853securedns.eu

UPDATED on 2nd Nov 2017
2EfbwDyk2zSnAbBJSpCSWZKKGUD+a6p/yg2bxdC+x2A=


NoneHaProxy + Bind

NOTE: SecureDNS has support for additional TLDs of OpenNIC, Emercoin, and Namecoin

dns-tls.bitwiseshift.net

81.187.221.24
2001:8b0:24:24::24

853dns-tls.bitwiseshift.netYmcYWZU5dd2EoblZHNf1jTUPVS+uK3280YYCdz4l4wo=
NoneUnbound


ns1.dnsprivacy.at94.130.110.185
2a01:4f8:c0c:3c03::2
853ns1.dnsprivacy.atvqVQ9TcoR9RDY3TpO0MTXw1YQLjF44zdN3/4PkLwtEY=
NoneUnbound

See https://dnsprivacy.at/

ns2.dnsprivacy.at94.130.110.178
2a01:4f8:c0c:3bfc::2
853ns2.dnsprivacy.ats5Em89o0kigwfBF1gcXWd8zlATSWVXsJ6ecZfmBDTKg=
NoneUnbound


dns.bitgeek.in (India)139.59.51.46853dns.bitgeek.inFndaG4ezEBQs4k0Ya3xt3z4BjFEyQHd7B75nRyP1nTs=
Traffic volume onlyNginx + BIND
Lorraine Data Network

80.67.188.188
2001:913::8

853
443


WaG0kHUS5N/ny0labz85HZg+v+f0b/UQ73IZjFep0nM=


Traffic volume onlystunnel 4 + BIND

See https://ldn-fai.net/serveur-dns-recursif-ouvert/ (note, logging of IP address at stunnel no longer performed).
The host name is ns0.ldn-fai.net however a self-signed certificate with common name of the IP address is used, so SPKI pinning is recommended.

dns.neutopia.org

89.234.186.112
2a00:5884:8209::2

853
443
dns.neutopia.orgwTeXHM8aczvhRSi0cv2qOXkXInoDU+2C+M8MpRyT3OI=
No loggingKnot resolver

4) Servers with some logging, self-signed certs or no support for Strict mode

Go6Lab2001:67c:27e4::35853privacydns.go6lab.sig5lqtwHia/plKqWU/Fe2Woh4+7MO3d0JYqYJpj/iYAw=
UnknownUnbound

NIC Chile

200.1.123.46
2001:1398:1:0:200:1:123:46

853

dnsotls.lab.nic.cl

sG6kj+XJToXwt1M6+9BeCz1SOj/1/mdZn56OZvCyZZc=

Y

Yes, for research purposes

Unbound

Self-signed certificate, please use SPKI pinning.

Yeti

2001:4b98:dc2:43:216:3eff:fea9:41a

853

dns-resolver.yeti.eu.org

UPDATED on 26th Jun 2017
YxtXAorQNSo+333ko1ctuXcnpMcplPaOI/GCM+YeMQk=


Yes, see Yeti websiteUnboundSee https://dns-resolver.yeti.eu.org/
OARC

184.105.193.78
2620:ff:c000:0:1::64:25

853

tls-dns-u.odvr.dns-oarc.net

pOXrpUt9kgPgbWxBFFcBTbRH2heo2wHwXp1fd4AEVXI=


Yes, see OARC websiteUnbound

See OARC website NOTE: As of June 2017 this server does not support Strict Mode because it does not offer the correct cipher suites to match RFC7525 recommendations.

(1) More details of the service are available in various blogs e.g. see Stephane Bortzmeyer's blog. Note that Quad9 have not announced a SPKI pinset. 


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