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#quad9

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Kevin Karhan :verified:<p>Thx <span class="h-card" translate="no"><a href="https://ohai.social/@lina" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>lina</span></a></span> for exposing the <a href="https://infosec.space/tags/Copyrightmafia" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Copyrightmafia</span></a>'s <a href="https://infosec.space/tags/DNS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DNS</span></a>-based <a href="https://infosec.space/tags/internetcensorship" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>internetcensorship</span></a>:<br><a href="https://cuiiliste.de" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">cuiiliste.de</span><span class="invisible"></span></a></p><ul><li>I really should test the <a href="https://infosec.space/tags/API" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>API</span></a> more: <a href="https://api.cuiiliste.de" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">api.cuiiliste.de</span><span class="invisible"></span></a></li></ul><p>As for circumvention: Just use <a href="https://infosec.space/tags/OpenNIC" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OpenNIC</span></a>'s <a href="https://github.com/greyhat-academy/lists.d/blob/df41ea6a5320f0a895b801145efe0ea6d2e9ea33/dns.servers.list.tsv#L2" rel="nofollow noopener" target="_blank">DNS servers</a>...</p><ul><li>Personally <a href="https://lina.sh/blog/cuii-gives-up" rel="nofollow noopener" target="_blank">I'm not as enthusiastic</a> as to claim <a href="https://infosec.space/tags/CUIi" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CUIi</span></a> <a href="https://netzpolitik.org/2025/die-cuii-gibt-auf-fuer-netzsperren-braucht-es-jetzt-einen-gerichtsentscheid/" rel="nofollow noopener" target="_blank">is done</a> because not only ain't they forced to remove any blockages but also they marginally changed their process.</li></ul><p>The sheer <a href="https://infosec.space/tags/Zensursula" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Zensursula</span></a>-Style bullshit <em>is the <a href="https://infosec.space/tags/IllicitActivity" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IllicitActivity</span></a></em>! <a href="https://infosec.space/tags/ISP" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ISP</span></a>|s should have <em>no right to interfere with any traffic</em> (except to defend their own infrastructure from getting hacked) unless explicitly requested by customers to do so.</p><ul><li>And now <a href="https://infosec.space/tags/ISPs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ISPs</span></a> like <a href="https://infosec.space/tags/O2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>O2</span></a> want to sell <a href="https://infosec.space/tags/TechIlliterate" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TechIlliterate</span></a> <a href="https://infosec.space/tags/business" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>business</span></a> clients the idea that fucking around with <a href="https://infosec.space/tags/DNS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DNS</span></a> is somehow <em>"<a href="https://infosec.space/tags/Cybersecurity" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Cybersecurity</span></a>"</em> for which they want to <a href="https://www.o2business.de/cloud-sicherheit/cybersicherheit/webguard/" rel="nofollow noopener" target="_blank">charge clients a premium and make it opt-out!</a> when <span class="h-card" translate="no"><a href="https://mastodon.social/@quad9dns" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>quad9dns</span></a></span> offers the same <a href="https://quad9.net/service/threat-blocking/" rel="nofollow noopener" target="_blank">for free</a> [and I'm certain they just use <a href="https://infosec.space/tags/quad9" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quad9</span></a>'s <em>filtered</em> DNS and slap CUII's <a href="https://infosec.space/tags/blocklist" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>blocklist</span></a> <a href="https://api.cuiiliste.de/blocked_domains" rel="nofollow noopener" target="_blank">on top.</a>]!</li></ul><p>I do wish <span class="h-card" translate="no"><a href="https://mastodon.social/@ooni" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>ooni</span></a></span> would take a look at the <a href="https://api.cuiiliste.de/blocked_domains" rel="nofollow noopener" target="_blank">CUII blocklist</a> and add that to their <a href="https://infosec.space/tags/OONIprobe" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OONIprobe</span></a> to test for.</p>
Dominik<p><span class="h-card"><a href="https://mastodon.social/@Tutanota" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>Tutanota</span></a></span> <span class="h-card"><a href="https://mastodon.neat.computer/@jonah" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>jonah</span></a></span> <span class="h-card"><a href="https://infosec.exchange/@chillybot" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>chillybot</span></a></span> <br>People who know Switzerland have often said that it is a false assumption that privacy is more secure there. Too bad for the services like <a href="https://social.librem.one/tags/Quad9" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Quad9</span></a> that have made efforts to establish themselves there.<br><span class="h-card"><a href="https://mastodon.social/@quad9dns" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>quad9dns</span></a></span> Only the fundamental non-storage of personal data from the outset and the non-storage of logs can help.</p>
Frederik<p><strong>DNS4EU, DNS0, Quad9: review of public European DNS resolvers</strong></p><p>This week the DNS4EU initiative launched its public European DNS resolvers. I already wrote an article about public DNS resolvers but it’s time for an update. Not only do we have DNS4eu now, but with DNS0 there is another public DNS resolver focused on Europe available. And of course there is still Quad9, which has servers worldwide, but is a foundation with headquarters in […]</p><p><a href="https://blog.frehi.be/2025/06/08/dns4eu-dns0-quad9-review-of-public-european-dns-resolvers/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">blog.frehi.be/2025/06/08/dns4e</span><span class="invisible">u-dns0-quad9-review-of-public-european-dns-resolvers/</span></a></p><p><a rel="nofollow noopener" class="hashtag u-tag u-category" href="https://blog.frehi.be/tag/dns/" target="_blank">#DNS</a> <a rel="nofollow noopener" class="hashtag u-tag u-category" href="https://blog.frehi.be/tag/dns0/" target="_blank">#DNS0</a> <a rel="nofollow noopener" class="hashtag u-tag u-category" href="https://blog.frehi.be/tag/dns4eu/" target="_blank">#DNS4EU</a> <a rel="nofollow noopener" class="hashtag u-tag u-category" href="https://blog.frehi.be/tag/privacy/" target="_blank">#privacy</a> <a rel="nofollow noopener" class="hashtag u-tag u-category" href="https://blog.frehi.be/tag/quad9/" target="_blank">#Quad9</a> <a rel="nofollow noopener" class="hashtag u-tag u-category" href="https://blog.frehi.be/tag/security/" target="_blank">#security</a></p>
Kevin Karhan :verified:<p><span class="h-card" translate="no"><a href="https://mastodon.social/@quad9dns" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>quad9dns</span></a></span> <span class="h-card" translate="no"><a href="https://social.g2od.ch/@rapha3l" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>rapha3l</span></a></span> <span class="h-card" translate="no"><a href="https://waldvogel.family/@marcel" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>marcel</span></a></span> <span class="h-card" translate="no"><a href="https://ioc.exchange/@abuse_ch" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>abuse_ch</span></a></span> </p><p>Also this only applies to the <code>filtered</code> &amp; <code>secured</code> <a href="https://infosec.space/tags/DNS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DNS</span></a> servers.</p><ul><li><p>default filtered DNS by <a href="https://infosec.space/tags/Quad9" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Quad9</span></a></p><pre><code>9.9.9.9<br>149.112.112.112<br>2620:fe::fe<br>2620:fe::9<br></code></pre></li><li><p>secured quad9 servers</p><pre><code>9.9.9.11<br>149.112.112.11<br>2620:fe::11<br>2620:fe::fe:11<br></code></pre></li><li><p>unfiltered quad9 DNS</p><pre><code>9.9.9.10<br>149.112.112.10<br>2620:fe::10<br>2620:fe::fe:10<br></code></pre></li></ul><p>See <a href="https://www.quad9.net/service/service-addresses-and-features" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">quad9.net/service/service-addr</span><span class="invisible">esses-and-features</span></a> for details.</p><p>The unfiltered ones do not filter any results, thus they should only be used for those that i.e. filter their results themselves.</p>
Kevin Karhan :verified:<p><span class="h-card" translate="no"><a href="https://mastodon.ie/@DoctorBrodsky" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>DoctorBrodsky</span></a></span> <span class="h-card" translate="no"><a href="https://toot.wales/@woe2you" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>woe2you</span></a></span> <span class="h-card" translate="no"><a href="https://hachyderm.io/@miah" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>miah</span></a></span> given <a href="https://infosec.space/tags/Quad9" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Quad9</span></a> bowed before the <a href="https://infosec.space/tags/Contentmafia" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Contentmafia</span></a> and censored <a href="https://infosec.space/tags/DNS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DNS</span></a> requests, I'll continue to recommend using <a href="https://infosec.space/tags/OpenNIC" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OpenNIC</span></a>'s Servers <a href="https://github.com/greyhat-academy/lists.d/blob/a4a7ccf70d8504ebbffd7e5fbcd5630294860434/dns.servers.list.tsv" rel="nofollow noopener" target="_blank">instead</a></p><p><code>94.103.153.176 &amp; 2a02:990:219:1:ba:1337:cafe:3</code> as well as<br><code>144.76.103.143 &amp; 2a01:4f8:192:43a5::2</code> </p><ul><li>If you <a href="https://mastodon.ie/@DoctorBrodsky/114251891439728473" rel="nofollow noopener" target="_blank">only add a single</a> <a href="https://infosec.space/tags/IPv4" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IPv4</span></a> address, no <a href="https://infosec.space/tags/IPv6" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IPv6</span></a> resolution will take place over said provider or worse even no IPv6 connectivity at all...</li></ul><p>I merely <a href="https://github.com/greyhat-academy/lists.d/blob/a4a7ccf70d8504ebbffd7e5fbcd5630294860434/dns.servers.list.tsv#L25" rel="nofollow noopener" target="_blank">retain quad9</a> on said list for archival purposes. I Yeeted <a href="https://infosec.space/tags/CloudFlare" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CloudFlare</span></a> aka. <a href="https://infosec.space/tags/ClownFlare" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClownFlare</span></a> since they are a <a href="https://infosec.space/tags/RogueISP" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RogueISP</span></a>!</p>
Kevin Karhan :verified:<p><span class="h-card" translate="no"><a href="https://mastodon.sdf.org/@freeagent" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>freeagent</span></a></span> <span class="h-card" translate="no"><a href="https://toot.community/@VTDARKSIM" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>VTDARKSIM</span></a></span> <span class="h-card" translate="no"><a href="https://hachyderm.io/@miah" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>miah</span></a></span> </p><p><a href="https://infosec.space/tags/Quad9" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Quad9</span></a> self-censored their <a href="https://infosec.space/tags/DNS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DNS</span></a> and <a href="https://infosec.space/tags/ClownFlare" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClownFlare</span></a> is a <a href="https://infosec.space/tags/RogueISP" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RogueISP</span></a>!</p><p><a href="https://infosec.space/@kkarhan/114201410030390264" translate="no" rel="nofollow noopener" target="_blank"><span class="invisible">https://</span><span class="ellipsis">infosec.space/@kkarhan/1142014</span><span class="invisible">10030390264</span></a></p>
TagHunt<p>Tried getting online using Quad9's dns.<br>I was wondering why i couldn't connect.</p><p>I don't think this is supposed to happen...</p><p><span class="h-card" translate="no"><a href="https://infosec.exchange/@jerry" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>jerry</span></a></span> </p><p><a href="https://quad9.net/result?url=infosec.exchange" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">quad9.net/result?url=infosec.e</span><span class="invisible">xchange</span></a></p><p><a href="https://infosec.exchange/tags/quad9" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quad9</span></a> <a href="https://infosec.exchange/tags/infosec" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>infosec</span></a> <a href="https://infosec.exchange/tags/infosecexchange" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>infosecexchange</span></a></p>
JWM<p><a href="https://sfba.social/tags/Privacy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Privacy</span></a> and <a href="https://sfba.social/tags/DigitalSecurity" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DigitalSecurity</span></a> are critical concerns going into 2025. Chances are, your internet service provider is undermining both.</p><p>Four critical things to take action on now:</p><p>1) Start using either <a href="https://sfba.social/tags/Brave" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Brave</span></a> browser or <a href="https://sfba.social/tags/UBlockOrigin" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>UBlockOrigin</span></a> <br><a href="https://www.pcmag.com/picks/best-ad-blockers" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">pcmag.com/picks/best-ad-blocke</span><span class="invisible">rs</span></a> </p><p>2) Switch your home internet router's DNS to use a service like <a href="https://sfba.social/tags/Quad9" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Quad9</span></a> <br><a href="https://www.quad9.net/news/blog" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">quad9.net/news/blog</span><span class="invisible"></span></a></p><p>3) Stop putting your real email address into forms. Start using an email forwarding service that lets you generate an address for each site and shut it off when that site becomes too spammy.<br><a href="https://www.pcmag.com/picks/the-best-temporary-email-services" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">pcmag.com/picks/the-best-tempo</span><span class="invisible">rary-email-services</span></a></p><p>4) Use a password manager like <a href="https://sfba.social/tags/Bitwarden" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Bitwarden</span></a>. And use its full functions...in browsers, on mobile, and more. </p><p>These steps alone will make your life a lot better.</p>
h o ʍ l e t t<p>→ French Piracy Blocking Order Goes Global, DNS Service Quad9 Vows to Fight<br><a href="https://torrentfreak.com/french-piracy-blocking-order-goes-global-dns-service-quad9-vows-to-fight-241212/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">torrentfreak.com/french-piracy</span><span class="invisible">-blocking-order-goes-global-dns-service-quad9-vows-to-fight-241212/</span></a></p><p>“Quad9 describes the latest blocking order as yet more 'DNS censorship'. The company believes that the ruling is based on an 'absurd' application of copyright law, which has far-reaching consequences. Tampering with DNS makes the internet less secure, the company argues.”</p><p><a href="https://mamot.fr/tags/Piracy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Piracy</span></a> <a href="https://mamot.fr/tags/Quad9" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Quad9</span></a> <a href="https://mamot.fr/tags/censorship" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>censorship</span></a> <a href="https://mamot.fr/tags/copyright" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>copyright</span></a> <a href="https://mamot.fr/tags/DNS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DNS</span></a> <a href="https://mamot.fr/tags/internet" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>internet</span></a> <a href="https://mamot.fr/tags/secure" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>secure</span></a></p>
Replied in thread

@JeGr @noodle I think #OpenNIC has a good track record in terms of stability and integrity.

The beauty is that I can setup stuff to query two dozen services at once and circumvent censorship easily.
github.com/greyhat-academy/lis

List of useful things. Contribute to greyhat-academy/lists.d development by creating an account on GitHub.
GitHublists.d/dns.servers.list.tsv at main · greyhat-academy/lists.dList of useful things. Contribute to greyhat-academy/lists.d development by creating an account on GitHub.