Combine "worth mentioning" sections in DNS page (#1164)

* Combine "worth mentioning" sections

* Update _includes/sections/dns.html

Co-Authored-By: Mikaela Suomalainen <mikaela+git@mikaela.info>

_includes/sections/dns.html

@@ -27,14 +27,6 @@ forum="https://forum.privacytools.io/t/discussion-dnscrypt/340"
 github="https://github.com/jedisct1/dnscrypt-proxy"
 %}
 
-<h3>Worth Mentioning</h3>
-
-<ul>
-  <li><a href="https://gitlab.com/quidsup/notrack">NoTrack</a> - A network-wide DNS server which blocks Tracking sites. Currently works in Debian and Ubuntu.</li>
-  <li><a href="https://namecoin.info/">Namecoin</a> - A decentralized DNS open source information registration and transfer system based on the Bitcoin cryptocurrency.</li>
-  <li><a href="https://pi-hole.net/">Pi-hole</a> - A network-wide DNS server for the Raspberry Pi.  Blocks advertising and tracking domains for all devices on your network.</li>
-</ul>
-
 <h1 id="icanndns" class="anchor"><a href="#icanndns"><i class="fas fa-link anchor-icon"></i></a> Encrypted ICANN DNS Providers</h1>
 
 <div class="alert alert-warning" role="alert">
@@ -298,12 +290,11 @@ github="https://github.com/jedisct1/dnscrypt-proxy"
   <ul>
     <li>Firefox comes with built-in DoH support with Cloudflare set as the default resolver, but can be configured to use any DoH resolver. <span class="badge badge-warning" data-toggle="tooltip" data-placement="bottom" data-original-title='"Cloudflare has agreed to collect only a limited amount of data about the DNS requests that are sent to the Cloudflare Resolver for Firefox via the Firefox browser."'><a href="https://developers.cloudflare.com/1.1.1.1/commitment-to-privacy/privacy-policy/firefox/"><i class="fas fa-exclamation-triangle"></i></a></span> Currently Mozilla is <a href="https://blog.mozilla.org/futurereleases/2019/07/31/dns-over-https-doh-update-detecting-managed-networks-and-user-choice/">conducting studies</a> before enabling DoH by default for all US-based Firefox users.</li>
     <li>Android 9 comes with a DoT client by <a href="https://support.google.com/android/answer/9089903">default</a>. <span class="badge badge-warning" data-toggle="tooltip" data-original-title="...but with some caveats"><a href="https://www.quad9.net/private-dns-quad9-android9/"><i class="fas fa-exclamation-triangle"></i></a></span></li>
-    <li>
+    <li><a href="https://apps.apple.com/app/id1452162351">DNSCloak</a> - An <a href="https://github.com/s-s/dnscloak">open-source</a> DNSCrypt and DoH client for iOS by <td><a data-toggle="tooltip" data-placement="bottom" data-original-title='"A charitable non-profit host organization for international Free Software projects."' href="https://techcultivation.org/">the Center for the Cultivation of Technology gemeinnuetzige GmbH</a>.</li>
-      <a href="https://apps.apple.com/app/id1452162351">DNSCloak</a> - An <a href="https://github.com/s-s/dnscloak">open-source</a> DNSCrypt and DoH client for iOS by <td><a data-toggle="tooltip" data-placement="bottom" data-original-title='"A charitable non-profit host organization for international Free Software projects."' href="https://techcultivation.org/">the Center for the Cultivation of Technology gemeinnuetzige GmbH</a>.
+      <li><a href="https://pi-hole.net/">Pi-hole</a> - A network-wide DNS server mainly for the Raspberry Pi. Blocks ads, tracking, and malicious domains for all devices on your network.</li>
-    </li>
+      <li><a href="https://gitlab.com/quidsup/notrack">NoTrack</a> - A network-wide DNS server like Pi-hole for blocking ads, tracking, and malicious domains.</li>
-    <li>
+    <li><a href="https://dnsprivacy.org/wiki/display/DP/DNS+Privacy+Daemon+-+Stubby">Stubby</a> - An open-source application for Linux, macOS, and Windows that acts as a local DNS Privacy stub resolver using DoT.</li>
-      <a href="https://dnsprivacy.org/wiki/display/DP/DNS+Privacy+Daemon+-+Stubby">Stubby</a> - An <a href="https://github.com/getdnsapi/stubby">open-source</a> application for Linux, macOS, and Windows that acts as a local DNS Privacy stub resolver using DoT.
+    <li><a href="https://namecoin.info/">Namecoin</a> - A decentralized DNS open-source information registration and transfer system based on the Bitcoin cryptocurrency.</li>
-    </li>
     <li><a href="https://www.isc.org/blogs/qname-minimization-and-privacy/">QNAME Minimization and Your Privacy</a> by the Internet Systems Consortium (ISC)</li>
     <li><a href="https://www.isc.org/dnssec/">DNSSEC and BIND 9</a> by the ISC</li>
   </ul>