diff --git a/frontend/app/dns-lookup.html b/frontend/app/dns-lookup.html
index f16a989..8a1a7e6 100644
--- a/frontend/app/dns-lookup.html
+++ b/frontend/app/dns-lookup.html
@@ -97,7 +97,7 @@
 
          <!-- Footer für Version -->
          <footer class="mt-8 pt-4 border-t border-gray-600 text-center text-xs text-gray-500">
-             <p>&copy; 2025 <a href="https://johanneskr.de" class="text-purple-400 hover:underline">Johannes Krüger</a></p>
+             <p>&copy; 2025 <a href="https://mrunk.de" class="text-purple-400 hover:underline">MrUnknownDE</a></p>
              <p>Version: <span id="commit-sha" class="font-mono">loading...</span></p>
          </footer>
 
diff --git a/frontend/app/mac-lookup.html b/frontend/app/mac-lookup.html
index 41acede..f11442f 100644
--- a/frontend/app/mac-lookup.html
+++ b/frontend/app/mac-lookup.html
@@ -78,7 +78,7 @@
          <div id="global-error" class="mt-6 p-4 bg-red-800 text-red-100 rounded hidden"></div>
 
          <footer class="mt-8 pt-4 border-t border-gray-600 text-center text-xs text-gray-500">
-             <p>&copy; 2025 <a href="https://johanneskr.de" class="text-purple-400 hover:underline">Johannes Krüger</a></p>
+             <p>&copy; 2025 <a href="https://mrunk.de" class="text-purple-400 hover:underline">MrUnknownDE</a></p>
              <p>Version: <span id="commit-sha" class="font-mono">loading...</span></p>
          </footer>
 
diff --git a/frontend/app/subnet-calculator.html b/frontend/app/subnet-calculator.html
index c67b473..d6af6f2 100644
--- a/frontend/app/subnet-calculator.html
+++ b/frontend/app/subnet-calculator.html
@@ -209,7 +209,7 @@
     </div>
 
     <footer class="mt-8 pt-4 border-t border-gray-600 text-center text-xs text-gray-500">
-        <p>&copy; 2025 <a href="https://johanneskr.de" class="text-purple-400 hover:underline">Johannes Krüger</a></p>
+             <p>&copy; 2025 <a href="https://mrunk.de" class="text-purple-400 hover:underline">MrUnknownDE</a></p>
         <p>Version: <span id="commit-sha" class="font-mono">loading...</span></p> <!-- Footer mit Version hinzugefügt -->
     </footer>
 
diff --git a/frontend/app/whois-lookup.html b/frontend/app/whois-lookup.html
index 11a1d82..94632ef 100644
--- a/frontend/app/whois-lookup.html
+++ b/frontend/app/whois-lookup.html
@@ -85,7 +85,7 @@
 
          <!-- Footer für Version -->
          <footer class="mt-8 pt-4 border-t border-gray-600 text-center text-xs text-gray-500">
-             <p>&copy; 2025 <a href="https://johanneskr.de" class="text-purple-400 hover:underline">Johannes Krüger</a></p>
+             <p>&copy; 2025 <a href="https://mrunk.de" class="text-purple-400 hover:underline">MrUnknownDE</a></p>
              <p>Version: <span id="commit-sha" class="font-mono">loading...</span></p>
          </footer>