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List of Public DNS Servers

This is a list of publicly available DNS servers suitable for use with IPFire. They are operated by many different organisations in many different countries. Please consider carefully which ones you would like to use.

Operator Location Address(es) DNS over TLS Hostname
Alternate DNS US
censurfridns.dk DK 2001:67c:28a4:: / unicast.uncensoreddns.org
Anycast 2002:d596:2a92:1:71:53:: /
Cloudflare Anycast 2606:4700:4700::1111 / cloudflare-dns.com
Anycast 2606:4700:4700::1001 / cloudflare-dns.com
CyberGhost US
Digitalcourage DE dns2.digitalcourage.de
DNSlytics #1 US
DNSlytics #2 US
French Data Network (FDN) FR 2001:910:800::12 /
FR 2001:910:800::40 /
Freenom World NL
Google Public Free DNS Anycast dns.google
Anycast dns.google
Hurricane Electric Anycast 2001:470:20::2 /
Lightning Wire Labs DE 2001:470:7655::54 / recursor01.dns.ipfire.org
Neustar DNS Advantage US
New Nations DE
puntCAT ES
Quad9 Anycast dns.quad9.net
SafeDNS Anycast
Sprintlink General DNS US
Verisign US
Verizon (Level 3) Anycast

Unusable DNS Providers

These providers are not suitable for use with IPFire because they do not support DNSSEC.

Operator IP Addresses
Cleanbrowsing 2a0d:2a00:1::2 /, 2a0d:2a00:2::2/
Comodo Secure DNS,
Nuernberg Internet Exchange (N-IX)
OpenDNS (Hosted Blacklists),,,

About location and DNSSEC status

The location of the servers has been stated by using GeoIP Tool and the IPFire GeoIP server. However, it might be possible that the location is wrong (or has been changed meanwhile).

The servers that are marked with "Anycast" are using anycasts so that traffic will be routed to the nearest of the many instances that are there on the network. Thereof the exact location of the server(s) cannot be determined. Worse, different configurations of Anycast instances cannot be determined reliable.

Security Considerations

A DNS server has a very powerful function in network topology. Please keep in mind that it might log your queries (which is a huge information leak).

Further, not all of the DNS servers below return correct answers in any case. Some of them return failures for harmful or malicious sites. Check the operators website for more information on this topic.

For security reasons, it is required to use DNS servers which support DNSSEC. For privacy and availability reasons, avoid using just one providers' DNS servers.

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Older Revisions • February 7 at 3:26 pm • Michael Tremer