diff --git a/modules/pihole/assets/pihole.js b/modules/pihole/assets/pihole.js
index 81e863f..ce2bd81 100644
--- a/modules/pihole/assets/pihole.js
+++ b/modules/pihole/assets/pihole.js
@@ -2,6 +2,13 @@
   const page = document.querySelector('[data-pihole-page]');
   if (!page) return;
 
+  const pageType = page.dataset.piholePage || 'dashboard';
+  const configuredRefreshSeconds = Number(page.dataset.refreshSeconds || 0);
+  const defaultRefreshSeconds = pageType === 'dashboard' ? 1 : 5;
+  const refreshSeconds = Number.isFinite(configuredRefreshSeconds) && configuredRefreshSeconds >= 0
+    ? configuredRefreshSeconds
+    : defaultRefreshSeconds;
+
   const fmt = new Intl.NumberFormat('de-DE');
   const fmtDate = (ts) => {
     if (!ts) return '–';
@@ -11,7 +18,6 @@
 
   let refreshTimer = null;
   let loadInFlight = false;
-  let loadErrorShown = false;
 
   const apiCall = async (action, payload = {}) => {
     const res = await fetch(`/module/pihole/api?action=${encodeURIComponent(action)}`,
@@ -265,7 +271,6 @@
       renderList(document.querySelector('[data-top-queries]'), data.aggregate?.top_queries, 'Keine Daten');
       renderList(document.querySelector('[data-top-clients]'), data.aggregate?.query_sources, 'Keine Daten');
       renderBlocked(document.querySelector('[data-recent-blocked]'), data.aggregate?.recent_blocked);
-      loadErrorShown = false;
       const existing = page.querySelector('[data-pihole-load-error]');
       if (existing) existing.remove();
     } catch (err) {
@@ -278,19 +283,37 @@
         page.appendChild(message);
       }
       message.textContent = `Fehler beim Laden der Pi-hole Daten: ${err.message}`;
-      loadErrorShown = true;
     } finally {
       loadInFlight = false;
     }
   };
 
+  const stopAutoRefresh = () => {
+    if (refreshTimer !== null) {
+      window.clearInterval(refreshTimer);
+      refreshTimer = null;
+    }
+  };
+
+  const startAutoRefresh = () => {
+    stopAutoRefresh();
+    if (refreshSeconds <= 0 || document.visibilityState !== 'visible') {
+      return;
+    }
+    refreshTimer = window.setInterval(loadDashboard, refreshSeconds * 1000);
+  };
+
   bindActionButtons();
   bindForms();
   loadDashboard();
-  refreshTimer = window.setInterval(loadDashboard, 1000);
-  window.addEventListener('beforeunload', () => {
-    if (refreshTimer !== null) {
-      window.clearInterval(refreshTimer);
+  startAutoRefresh();
+  document.addEventListener('visibilitychange', () => {
+    if (document.visibilityState === 'visible') {
+      loadDashboard();
+      startAutoRefresh();
+      return;
     }
+    stopAutoRefresh();
   });
+  window.addEventListener('beforeunload', stopAutoRefresh);
 })();
diff --git a/modules/pihole/module.json b/modules/pihole/module.json
index 2b9e437..6d5409b 100644
--- a/modules/pihole/module.json
+++ b/modules/pihole/module.json
@@ -2,5 +2,29 @@
   "title": "Pi-hole",
   "version": "0.1.0",
   "description": "Pi-hole Monitoring, Listen und Steuerung fuer mehrere Instanzen.",
-  "setup": { "fields": [] }
+  "setup": {
+    "fields": [
+      {
+        "name": "dashboard_refresh_sec",
+        "label": "Refresh Dashboard (Sekunden)",
+        "type": "number",
+        "help": "Automatische Aktualisierung fuer das Dashboard. Standard: 1 Sekunde. 0 deaktiviert den Auto-Refresh.",
+        "required": false
+      },
+      {
+        "name": "lists_refresh_sec",
+        "label": "Refresh Listen (Sekunden)",
+        "type": "number",
+        "help": "Automatische Aktualisierung fuer die Listen-Seite. Standard: 5 Sekunden. 0 deaktiviert den Auto-Refresh.",
+        "required": false
+      },
+      {
+        "name": "queries_refresh_sec",
+        "label": "Refresh Queries (Sekunden)",
+        "type": "number",
+        "help": "Automatische Aktualisierung fuer die Queries-Seite. Standard: 5 Sekunden. 0 deaktiviert den Auto-Refresh.",
+        "required": false
+      }
+    ]
+  }
 }
diff --git a/modules/pihole/pages/api.php b/modules/pihole/pages/api.php
index 261b71a..4aa6d03 100644
--- a/modules/pihole/pages/api.php
+++ b/modules/pihole/pages/api.php
@@ -209,10 +209,18 @@ $detectApi = function (array $instance) use ($v6Auth, $v6RequestAny, $v5Request)
         $authRes = $v6Auth($instance);
         if (($authRes['ok'] ?? false) && !empty($authRes['sid'])) {
             $sid = (string)$authRes['sid'];
+
+            $probe = $v6RequestAny($instance, ['dns/blocking', 'stats/summary', 'summary'], 'GET', [], $sid);
+            return ['version' => 6, 'sid' => $sid, 'probe' => $probe, 'auth' => $authRes];
+        }
+
+        $httpCode = (int)($authRes['http_code'] ?? 0);
+        if (in_array($httpCode, [401, 403], true)) {
+            return ['version' => 6, 'sid' => '', 'probe' => $authRes, 'auth' => $authRes];
         }
     }
 
-    $probe = $v6RequestAny($instance, ['stats/summary', 'summary'], 'GET', [], $sid);
+    $probe = $v6RequestAny($instance, ['dns/blocking', 'stats/summary', 'summary'], 'GET', [], $sid);
     if ($probe['ok'] || in_array((int)($probe['http_code'] ?? 0), [401, 403], true)) {
         return ['version' => 6, 'sid' => $sid, 'probe' => $probe, 'auth' => $authRes];
     }
@@ -222,7 +230,7 @@ $detectApi = function (array $instance) use ($v6Auth, $v6RequestAny, $v5Request)
         return ['version' => 5, 'sid' => '', 'probe' => $legacy];
     }
 
-    return ['version' => 0, 'sid' => '', 'probe' => $probe, 'legacy' => $legacy];
+    return ['version' => 0, 'sid' => '', 'probe' => $probe, 'legacy' => $legacy, 'auth' => $authRes];
 };
 
 $debugResult = static function (string $label, string $instanceId, array $instance, array $result) use ($debugPush): void {
diff --git a/modules/pihole/pages/index.php b/modules/pihole/pages/index.php
index c1084b7..8e6b130 100644
--- a/modules/pihole/pages/index.php
+++ b/modules/pihole/pages/index.php
@@ -3,14 +3,19 @@ $assets = app()->assets();
 $assets->addStyle('/module/pihole/asset?file=pihole.css');
 $assets->addScript('/module/pihole/asset?file=pihole.js', 'footer', true);
 
+$settings = modules()->settings('pihole');
 $instances = module_fn('pihole', 'instances');
 $hasConfig = !empty($instances);
+$refreshSeconds = (int)($settings['dashboard_refresh_sec'] ?? 1);
+if ($refreshSeconds < 0) {
+    $refreshSeconds = 1;
+}
 ?>
 <?= module_shell_header('pihole', [
   'title' => 'Pi-hole Dashboard',
   'description' => 'Status, Blockings, Usage und Steuerung fuer beide Instanzen.',
 ]) ?>
-<div class="module-flow pihole-page" data-pihole-page="dashboard">
+<div class="module-flow pihole-page" data-pihole-page="dashboard" data-refresh-seconds="<?= e((string)$refreshSeconds) ?>">
 
   <section class="module-box">
     <div class="pihole-section-header">
diff --git a/modules/pihole/pages/lists.php b/modules/pihole/pages/lists.php
index 6c04043..f8e6cd2 100644
--- a/modules/pihole/pages/lists.php
+++ b/modules/pihole/pages/lists.php
@@ -3,14 +3,19 @@ $assets = app()->assets();
 $assets->addStyle('/module/pihole/asset?file=pihole.css');
 $assets->addScript('/module/pihole/asset?file=pihole.js', 'footer', true);
 
+$settings = modules()->settings('pihole');
 $instances = module_fn('pihole', 'instances');
 $hasConfig = !empty($instances);
+$refreshSeconds = (int)($settings['lists_refresh_sec'] ?? 5);
+if ($refreshSeconds < 0) {
+    $refreshSeconds = 5;
+}
 ?>
 <?= module_shell_header('pihole', [
   'title' => 'Listen & Domains',
   'description' => 'Top-Domains, Listen-Updates und neue Eintraege auf der Primaer-Instanz.',
 ]) ?>
-<div class="module-flow pihole-page" data-pihole-page="lists">
+<div class="module-flow pihole-page" data-pihole-page="lists" data-refresh-seconds="<?= e((string)$refreshSeconds) ?>">
   <?php if (!$hasConfig): ?>
     <div class="module-box">
       <strong>Keine Instanzen konfiguriert</strong>
diff --git a/modules/pihole/pages/queries.php b/modules/pihole/pages/queries.php
index fd4624f..d59ea80 100644
--- a/modules/pihole/pages/queries.php
+++ b/modules/pihole/pages/queries.php
@@ -3,14 +3,19 @@ $assets = app()->assets();
 $assets->addStyle('/module/pihole/asset?file=pihole.css');
 $assets->addScript('/module/pihole/asset?file=pihole.js', 'footer', true);
 
+$settings = modules()->settings('pihole');
 $instances = module_fn('pihole', 'instances');
 $hasConfig = !empty($instances);
+$refreshSeconds = (int)($settings['queries_refresh_sec'] ?? 5);
+if ($refreshSeconds < 0) {
+    $refreshSeconds = 5;
+}
 ?>
 <?= module_shell_header('pihole', [
   'title' => 'Zugriffe & Blockings',
   'description' => 'Aktuelle Blockings, Top Clients und Status pro Instanz.',
 ]) ?>
-<div class="module-flow pihole-page" data-pihole-page="queries">
+<div class="module-flow pihole-page" data-pihole-page="queries" data-refresh-seconds="<?= e((string)$refreshSeconds) ?>">
   <?php if (!$hasConfig): ?>
     <div class="module-box">
       <strong>Keine Instanzen konfiguriert</strong>