diff --git a/backend/src/adapters/technitium.js b/backend/src/adapters/technitium.js
new file mode 100644
index 0000000..095a3cb
--- /dev/null
+++ b/backend/src/adapters/technitium.js
@@ -0,0 +1,182 @@
+/**
+ * Technitium DNS Server adapter
+ *
+ * Requires env:
+ *   TECHNITIUM_URL    Base URL of the Technitium instance, e.g. http://192.168.1.1:5380
+ *   TECHNITIUM_TOKEN  API token created in Technitium → Administration → Sessions → Create Token
+ *
+ * API docs: https://github.com/TechnitiumSoftware/DnsServer/blob/master/APIDOCS.md
+ *
+ * Record ID format: "type||name||content||priority"
+ * The || separator is safe for DNS content (IPs, FQDNs, TXT values).
+ */
+
+const diag = require('../diag');
+
+function base() {
+  return (process.env.TECHNITIUM_URL || '').replace(/\/$/, '');
+}
+
+function authHeader() {
+  return `Bearer ${process.env.TECHNITIUM_TOKEN}`;
+}
+
+// ─── HTTP helpers ─────────────────────────────────────────────────────────────
+
+async function apiGet(path, params = {}) {
+  const qs  = new URLSearchParams(params).toString();
+  const url = `${base()}${path}${qs ? '?' + qs : ''}`;
+  const start = Date.now();
+  let status = null;
+  try {
+    const res  = await fetch(url, { headers: { Authorization: authHeader(), Accept: 'application/json' } });
+    status = res.status;
+    const data = await res.json();
+    diag.logRequest('technitium', path, 'GET', url, status, Date.now() - start);
+    return handleResponse(data);
+  } catch (err) {
+    diag.logRequest('technitium', path, 'GET', url, status, Date.now() - start, err.message);
+    throw err;
+  }
+}
+
+async function apiPost(path, params = {}) {
+  const url  = `${base()}${path}`;
+  const body = new URLSearchParams(params).toString();
+  const start = Date.now();
+  let status = null;
+  try {
+    const res  = await fetch(url, {
+      method:  'POST',
+      headers: { Authorization: authHeader(), 'Content-Type': 'application/x-www-form-urlencoded', Accept: 'application/json' },
+      body,
+    });
+    status = res.status;
+    const data = await res.json();
+    diag.logRequest('technitium', path, 'POST', url, status, Date.now() - start);
+    return handleResponse(data);
+  } catch (err) {
+    diag.logRequest('technitium', path, 'POST', url, status, Date.now() - start, err.message);
+    throw err;
+  }
+}
+
+function handleResponse(data) {
+  if (data.status === 'invalid-token') throw new Error('Invalid or expired Technitium API token');
+  if (data.status === 'error')         throw new Error(data.errorMessage ?? 'Technitium API error');
+  if (data.status !== 'ok')            throw new Error(`Unexpected Technitium status: ${data.status}`);
+  return data.response;
+}
+
+// ─── Record helpers ───────────────────────────────────────────────────────────
+
+function extractContent(r) {
+  const rd = r.rData ?? {};
+  switch (r.type) {
+    case 'A':
+    case 'AAAA':  return rd.ipAddress  ?? null;
+    case 'CNAME': return (rd.cname     ?? '').replace(/\.$/, '') || null;
+    case 'MX':    return (rd.exchange  ?? '').replace(/\.$/, '') || null;
+    case 'TXT':   return rd.text       ?? null;
+    case 'NS':    return (rd.nameServer ?? '').replace(/\.$/, '') || null;
+    case 'PTR':   return (rd.ptrName   ?? '').replace(/\.$/, '') || null;
+    default:      return null;
+  }
+}
+
+function buildTypeParams(type, content, priority) {
+  switch (type) {
+    case 'A':
+    case 'AAAA':  return { ipAddress: content };
+    case 'CNAME': return { cname: content };
+    case 'MX':    return { exchange: content, preference: priority ?? 10 };
+    case 'TXT':   return { text: content };
+    case 'NS':    return { nameServer: content };
+    case 'PTR':   return { ptrName: content };
+    default: throw new Error(`Unsupported record type for Technitium: ${type}`);
+  }
+}
+
+function makeId(type, name, content, priority) {
+  return `${type}||${name}||${content}||${priority ?? ''}`;
+}
+
+function parseId(recordId) {
+  const [type, name, content, priorityStr] = recordId.split('||');
+  return { type, name, content, priority: priorityStr ? parseInt(priorityStr, 10) : null };
+}
+
+// ─── Public API ───────────────────────────────────────────────────────────────
+
+async function listZones() {
+  const resp  = await apiGet('/api/zones/list');
+  const zones = resp?.zones ?? [];
+  // Skip internal system zones (localhost, *.arpa, etc.)
+  return zones
+    .filter(z => !z.internal)
+    .map(z => ({ id: z.name, name: z.name }));
+}
+
+async function listRecords(zone) {
+  const resp    = await apiGet('/api/zones/records/get', { zone, listZone: 'true' });
+  const records = resp?.records ?? [];
+
+  // Skip DNSSEC, SOA and proprietary Technitium record types
+  const SKIP = new Set(['SOA', 'DNSKEY', 'RRSIG', 'NSEC', 'NSEC3', 'NSEC3PARAM', 'DS', 'ANAME', 'FWD', 'APP']);
+
+  return records
+    .filter(r => r.name && !SKIP.has(r.type))
+    .map(r => {
+      const content  = extractContent(r);
+      if (content === null) return null;
+      const priority = r.type === 'MX' ? (r.rData?.preference ?? 10) : null;
+      return {
+        id:       makeId(r.type, r.name, content, priority),
+        type:     r.type,
+        name:     r.name,
+        content,
+        ttl:      r.ttl ?? 3600,
+        priority,
+      };
+    })
+    .filter(Boolean);
+}
+
+async function addRecord(zone, record) {
+  const typeParams = buildTypeParams(record.type, record.content, record.priority);
+  await apiPost('/api/zones/records/add', {
+    domain:    record.name,
+    zone,
+    type:      record.type,
+    ttl:       record.ttl ?? 3600,
+    overwrite: 'false',
+    ...typeParams,
+  });
+  return {
+    id:       makeId(record.type, record.name, record.content, record.priority),
+    type:     record.type,
+    name:     record.name,
+    content:  record.content,
+    ttl:      record.ttl ?? 3600,
+    priority: record.priority ?? null,
+  };
+}
+
+async function updateRecord(zone, recordId, record) {
+  // Delete the old record then add the updated one (safest cross-version approach)
+  await deleteRecord(zone, recordId);
+  return addRecord(zone, record);
+}
+
+async function deleteRecord(zone, recordId) {
+  const { type, name, content, priority } = parseId(recordId);
+  const typeParams = buildTypeParams(type, content, priority);
+  await apiPost('/api/zones/records/delete', {
+    domain: name,
+    zone,
+    type,
+    ...typeParams,
+  });
+}
+
+module.exports = { listZones, listRecords, addRecord, updateRecord, deleteRecord };
diff --git a/backend/src/index.js b/backend/src/index.js
index c632092..aaa1a9c 100644
--- a/backend/src/index.js
+++ b/backend/src/index.js
@@ -85,6 +85,7 @@ app.get('/api/providers', requireAuth, (req, res) => {
   if (!disabled.has('pihole') && process.env.PIHOLE_URL && process.env.PIHOLE_PASSWORD) providers.push({ id: 'pihole', name: 'Pi-hole', url: process.env.PIHOLE_URL });
   if (!disabled.has('azure') && process.env.AZURE_TENANT_ID && process.env.AZURE_CLIENT_ID && process.env.AZURE_CLIENT_SECRET && process.env.AZURE_SUBSCRIPTION_ID) providers.push({ id: 'azure', name: 'Azure DNS' });
   if (!disabled.has('cpanel') && process.env.CPANEL_URL && process.env.CPANEL_USERNAME && process.env.CPANEL_API_TOKEN) providers.push({ id: 'cpanel', name: 'cPanel', url: process.env.CPANEL_URL });
+  if (!disabled.has('technitium') && process.env.TECHNITIUM_URL && process.env.TECHNITIUM_TOKEN) providers.push({ id: 'technitium', name: 'Technitium', url: process.env.TECHNITIUM_URL });
   res.json(providers);
 });
 
diff --git a/backend/src/routes/health.js b/backend/src/routes/health.js
index f5721b4..ea78ac1 100644
--- a/backend/src/routes/health.js
+++ b/backend/src/routes/health.js
@@ -115,6 +115,18 @@ async function checkCpanel() {
   return Date.now() - start;
 }
 
+async function checkTechnitium() {
+  const start = Date.now();
+  const res   = await fetch(`${process.env.TECHNITIUM_URL.replace(/\/$/, '')}/api/zones/list`, {
+    headers: { Authorization: `Bearer ${process.env.TECHNITIUM_TOKEN}`, Accept: 'application/json' },
+  });
+  const data = await res.json();
+  if (data.status === 'invalid-token') throw new Error('Invalid or expired API token');
+  if (data.status === 'error') throw new Error(data.errorMessage ?? 'API error');
+  if (data.status !== 'ok') throw new Error(`Unexpected status: ${data.status}`);
+  return Date.now() - start;
+}
+
 const CHECKS = {
   cloudflare: { name: 'Cloudflare', fn: checkCloudflare,
     configured: () => !!process.env.CLOUDFLARE_API_TOKEN },
@@ -124,8 +136,10 @@ const CHECKS = {
     configured: () => !!(process.env.PIHOLE_URL && process.env.PIHOLE_PASSWORD) },
   azure:      { name: 'Azure DNS',  fn: checkAzure,
     configured: () => !!(process.env.AZURE_TENANT_ID && process.env.AZURE_CLIENT_ID && process.env.AZURE_CLIENT_SECRET && process.env.AZURE_SUBSCRIPTION_ID) },
-  cpanel:     { name: 'cPanel',     fn: checkCpanel,
+  cpanel:      { name: 'cPanel',      fn: checkCpanel,
     configured: () => !!(process.env.CPANEL_URL && process.env.CPANEL_USERNAME && process.env.CPANEL_API_TOKEN) },
+  technitium:  { name: 'Technitium',  fn: checkTechnitium,
+    configured: () => !!(process.env.TECHNITIUM_URL && process.env.TECHNITIUM_TOKEN) },
 };
 
 // GET /api/health/providers
diff --git a/backend/src/routes/records.js b/backend/src/routes/records.js
index 5b72713..6ea60a7 100644
--- a/backend/src/routes/records.js
+++ b/backend/src/routes/records.js
@@ -4,12 +4,13 @@ const cloudflare = require('../adapters/cloudflare');
 const loopia     = require('../adapters/loopia');
 const pihole     = require('../adapters/pihole');
 const azure      = require('../adapters/azure');
-const cpanel     = require('../adapters/cpanel');
-const db         = require('../db');
-const notify     = require('../notify');
-const audit      = require('../audit');
+const cpanel      = require('../adapters/cpanel');
+const technitium  = require('../adapters/technitium');
+const db          = require('../db');
+const notify      = require('../notify');
+const audit       = require('../audit');
 
-const adapters = { cloudflare, loopia, pihole, azure, cpanel };
+const adapters = { cloudflare, loopia, pihole, azure, cpanel, technitium };
 
 // GET /api/records/:provider/:zone
 // Returns cached records from the local DB. If the zone has never been
diff --git a/backend/src/routes/zones.js b/backend/src/routes/zones.js
index af23e26..546b364 100644
--- a/backend/src/routes/zones.js
+++ b/backend/src/routes/zones.js
@@ -3,10 +3,11 @@ const router = express.Router();
 const cloudflare = require('../adapters/cloudflare');
 const loopia     = require('../adapters/loopia');
 const pihole     = require('../adapters/pihole');
-const azure      = require('../adapters/azure');
-const cpanel     = require('../adapters/cpanel');
+const azure       = require('../adapters/azure');
+const cpanel      = require('../adapters/cpanel');
+const technitium  = require('../adapters/technitium');
 
-const adapters = { cloudflare, loopia, pihole, azure, cpanel };
+const adapters = { cloudflare, loopia, pihole, azure, cpanel, technitium };
 
 // GET /api/zones/:provider
 router.get('/:provider', async (req, res) => {
diff --git a/backend/src/settings.js b/backend/src/settings.js
index 1e11e79..66761fe 100644
--- a/backend/src/settings.js
+++ b/backend/src/settings.js
@@ -41,11 +41,12 @@ const DEFAULTS = {
     secret:   '',
   },
   providerColors: {
-    cloudflare: '#f6821f',
-    loopia:     '#2ecc71',
-    pihole:     '#96060c',
-    azure:      '#0078d4',
-    cpanel:     '#ff6c2c',
+    cloudflare:  '#f6821f',
+    loopia:      '#2ecc71',
+    pihole:      '#96060c',
+    azure:       '#0078d4',
+    cpanel:      '#ff6c2c',
+    technitium:  '#26a69a',
   },
 };
 
diff --git a/frontend/src/components/SettingsPage.js b/frontend/src/components/SettingsPage.js
index 8621f9d..66ae8ab 100644
--- a/frontend/src/components/SettingsPage.js
+++ b/frontend/src/components/SettingsPage.js
@@ -489,11 +489,12 @@ function CacheTab() {
 // ─── Providers tab ───────────────────────────────────────────────────────────
 
 const PROVIDER_NAMES = {
-  cloudflare: 'Cloudflare',
-  loopia:     'Loopia',
-  pihole:     'Pi-hole',
-  azure:      'Azure DNS',
-  cpanel:     'cPanel',
+  cloudflare:  'Cloudflare',
+  loopia:      'Loopia',
+  pihole:      'Pi-hole',
+  azure:       'Azure DNS',
+  cpanel:      'cPanel',
+  technitium:  'Technitium',
 };
 
 function ProvidersTab() {