diff --git a/xsl/podcast.xsl b/xsl/podcast.xsl
index 8497b9d87..bcb68b5d3 100644
--- a/xsl/podcast.xsl
+++ b/xsl/podcast.xsl
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 
-<!-- Spezifikation:
+<!-- Spezifikationen:
      http://www.apple.com/itunes/store/podcaststechspecs.html
+     XMLNS podcast: https://github.com/Podcastindex-org/podcast-namespace/blob/main/docs/1.0.md
  -->
 
 <xsl:stylesheet version="1.0"
@@ -10,6 +11,7 @@
   xmlns:date="http://exslt.org/dates-and-times"
   xmlns:content="http://purl.org/rss/1.0/modules/content/" 
   xmlns:atom="http://www.w3.org/2005/Atom"
+  xmlns:podcast="https://podcastindex.org/namespace/1.0"
   exclude-result-prefixes="xsl date">
 
   <xsl:output method="xml"
@@ -24,6 +26,8 @@
   <xsl:param name="format"/>
   <xsl:param name="archivefeed"/>
 
+  <!--xsl:text disable-output-escaping="yes">&lt;?xml-stylesheet type="text/css" href="https://c3d2.de/style/rss.css"?&gt;</xsl:text-->
+
   <xsl:template match="news">
     <rss version="2.0">
 
@@ -34,12 +38,13 @@
             <link><xsl:value-of select="$baseurl"/></link>
             <description>Pentaradio, Pentacast, Pentamusic</description>
             <language>de</language>
-            <copyright>http://creativecommons.org/licenses/by-sa/2.0/de/</copyright>
+            <copyright>https://creativecommons.org/licenses/by-sa/2.0/de/</copyright>
 	    <image>
 	      <title>Pentaradio</title>
 	      <url><xsl:value-of select="$baseurl"/>images/pentaradio-artwork.png</url>
 	      <link><xsl:value-of select="$baseurl"/>radio.html</link>
 	    </image>
+
             <itunes:subtitle>Die drei Podcasts vom CCC Dresden</itunes:subtitle>
             <itunes:summary>
 	      Enthält Podcasts von Pentaradio, Pentacast und Pentamusic
@@ -138,6 +143,44 @@
           <itunes:email>podcast@c3d2.de</itunes:email>
         </itunes:owner>
         <itunes:explicit>no</itunes:explicit>
+
+        <!--generator>C3D2 custom XSLT</generator-->
+        <!--lastBuildDate>
+          <xsl:call-template name="date-to-rfc822">
+            <xsl:with-param name="date" select="$builddate"/>
+          </xsl:call-template>
+        </lastBuildDate-->
+        <podcast:locked owner="mail@c3d2.de">no</podcast:locked>
+        <podcast:funding url="https://c3d2.de/unterstuetzen.html">C3D2 Unterstützen!</podcast:funding>
+        <podcast:funding url="c3d2.de/membership.html">Mitglied werden!</podcast:funding>
+        <podcast:location geo="geo:51.08106,13.72867">Coloradio, Dresden, Germany</podcast:location>
+        <podcast:license url="https://creativecommons.org/licenses/by-sa/2.0/de/">CC BY-SA 2.0 DE</podcast:license>
+        <!-- experimental part -->
+        <podcast:value type="bitcoin" method="default" suggested="0.00000001">
+          <podcast:valueRecipient name="C3D2" type="bech32" address="bitcoin:BC1QANU4755ULAU2JJDQSJLC3YW2XDJAWJ8WMVF5LA?label=Spende%20f%c3%bcr%20GCHQ"/>
+          <podcast:valueRecipient name="C3D2" type="p2sh" address="bitcoin:3AhYpTzozbxFSmL1NqdZqsFgZhKc95BsCP?label=Spende%20f%c3%bcr%20GCHQ"/>
+          <podcast:valueRecipient name="C3D2" type="p2pkh" address="bitcoin:195jSW9hXHdhu5QEeHkhyAN6Kf2oFUkmyK?label=Spende%20f%c3%bcr%20GCHQ"/>
+          <podcast:valueRecipient name="C3D2" type="bip47" address="PM8TJRmTRWxcrfqwbA1t3KYk555WecaJ7CZJzPoK11R1nE8LuTHebppUysAnqNTX4kLrUyHm7oNPbsjAZrLjmfLdStiNG34iDMNcXqY27j9w7uaFcCah"/>
+          <podcast:valueRecipient name="C3D2" type="paynym" address="https://paynym.is/+lingeringmouse27c"/>
+        </podcast:value>
+        <podcast:value type="monero" method="default" suggested="0.000001">
+          <podcast:valueRecipient name="C3D2" type="monero" address="monero:45c4E14LpNbeTdL8FSuBQA7M3wJ5nxGnYfnEzv3hwasfZUuKwP5zAaDCgJfD3s9kT4GP7y678gi6b1cGSVSgFpsTTm6fPtz?recipient_name=netzbiotop-dresden&amp;tx_description=donation"/>
+        </podcast:value>
+        <podcast:value type="wire" method="sepa" suggested="0.000001">
+          <podcast:valueRecipient name="C3D2" type="wire" address="bank://singlepaymentsepa?name=NETZBIOTOP%20DRESDEN%20E.V.&amp;reason=Spende&amp;iban=DE34850900004655221005&amp;bic=GENODEF1DRS&amp;amount="/>
+        </podcast:value>
+        <!--podcast:value type="lightning" method="keysend" suggested="0.00000005000">
+          <podcast:valueRecipient
+            name="[name of recipient(string)]"
+            type="[address type(string)]"
+            address="[the receiving address(string)]"
+            customKey="[optional key to pass(mixed)]"
+            customValue="[optional value to pass(mixed)]"
+            split="[share count(int)]"
+            fee=[true|false]
+          />
+        </podcast:value-->
+
 	<xsl:if test="$archivefeed">
 	  <atom:link rel="prev-archive" href="{$archivefeed}"/>
 	</xsl:if>
@@ -295,6 +338,16 @@
       <itunes:author>CCC Dresden</itunes:author>
 
       <xsl:copy-of select="$chapters"/>
+
+      <!-- XMLNS podcast – https://podcastindex.org/ -->
+
+      <!--podcast:transcript url="concat('',$baseurl,'transcripts/',$resource_url,'.html')" type="text/html"/--><!-- better check for variable and include when not empty -->
+      <!--podcast:season name="Egyptology: The 19th Century">1</podcast:season-->
+      <!--podcast:episode display="Ch.3">204</podcast:episode-->
+      <!--podcast:chapters url="https://example.com/episode1/chapters.json" type="application/json+chapters" /-->
+      <!--podcast:soundbite startTime="73.0" duration="60.0">Song</podcast:soundbite-->
+      <!--podcast:person href="https://example.com/johnsmith/blog" img="http://example.com/images/johnsmith.jpg">John Smith</podcast:person-->
+      <!--podcast:value-->
     </item>
   </xsl:template>