diff --git a/lib/db/migrations/022_monitored_services_external.sql b/lib/db/migrations/022_monitored_services_external.sql
new file mode 100644
index 0000000..f0f899f
--- /dev/null
+++ b/lib/db/migrations/022_monitored_services_external.sql
@@ -0,0 +1,17 @@
+-- 022_monitored_services_external.sql
+-- Optional external/domain URL for a service, used by the dashboard tile when the
+-- owner is browsing remotely. LAN `url` stays the source of truth for health checks.
+ALTER TABLE monitored_services ADD COLUMN external text;
+
+-- Backfill curated domains by id (the live instance is already seeded, so adding the
+-- column alone wouldn't populate them). No-op for ids that don't exist.
+UPDATE monitored_services SET external = 'https://void.hynesy.com'      WHERE id = 'void-server';
+UPDATE monitored_services SET external = 'https://gramps.hynesy.com'    WHERE id = 'gramps';
+UPDATE monitored_services SET external = 'https://plex.hynesy.com'      WHERE id = 'plex';
+UPDATE monitored_services SET external = 'https://tdarr.hynesy.com'     WHERE id = 'tdarr';
+UPDATE monitored_services SET external = 'https://sonarr.hynesy.com'    WHERE id = 'sonarr';
+UPDATE monitored_services SET external = 'https://radarr.hynesy.com'    WHERE id = 'radarr';
+UPDATE monitored_services SET external = 'https://bookstack.hynesy.com' WHERE id = 'bookstack';
+-- Two services previously stored their domain in `url`; normalise to LAN url + external.
+UPDATE monitored_services SET url = 'http://192.168.1.230:8096', external = 'https://jellyfin.hynesy.com' WHERE id = 'jellyfin';
+UPDATE monitored_services SET url = 'http://192.168.1.230:8789', external = 'https://chaptarr.hynesy.com'  WHERE id = 'chaptarr';
diff --git a/lib/db/repos/monitored_services.js b/lib/db/repos/monitored_services.js
index dcff7ba..6a212fe 100644
--- a/lib/db/repos/monitored_services.js
+++ b/lib/db/repos/monitored_services.js
@@ -1,12 +1,12 @@
 import { pool } from '../pool.js';
 
-const COLS = 'id, name, category, host, url, icon, check_cfg, source, enabled';
+const COLS = 'id, name, category, host, url, icon, external, check_cfg, source, enabled';
 
 // Map a DB row to the service shape the registry/checker expect (check_cfg -> check).
 function toSvc(r) {
   return {
     id: r.id, name: r.name, category: r.category, host: r.host, url: r.url,
-    icon: r.icon, check: r.check_cfg || {}, source: r.source, enabled: r.enabled
+    icon: r.icon, external: r.external ?? null, check: r.check_cfg || {}, source: r.source, enabled: r.enabled
   };
 }
 
@@ -42,15 +42,15 @@ export async function count() {
 
 export async function create(svc) {
   const { id, name, category = 'other', host = null, url, icon = null,
-          check = {}, source = 'manual', enabled = true } = svc;
+          external = null, check = {}, source = 'manual', enabled = true } = svc;
   const { rows: [r] } = await pool.query(
-    `INSERT INTO monitored_services (id, name, category, host, url, icon, check_cfg, source, enabled)
-     VALUES ($1,$2,$3,$4,$5,$6,$7::jsonb,$8,$9) RETURNING ${COLS}`,
-    [id, name, category, host, url, icon, JSON.stringify(check), source, enabled]);
+    `INSERT INTO monitored_services (id, name, category, host, url, icon, external, check_cfg, source, enabled)
+     VALUES ($1,$2,$3,$4,$5,$6,$7,$8::jsonb,$9,$10) RETURNING ${COLS}`,
+    [id, name, category, host, url, icon, external, JSON.stringify(check), source, enabled]);
   return toSvc(r);
 }
 
-const PATCHABLE = ['name', 'category', 'host', 'url', 'icon', 'enabled'];
+const PATCHABLE = ['name', 'category', 'host', 'url', 'icon', 'external', 'enabled'];
 export async function update(id, patch) {
   const sets = [], vals = [];
   for (const k of PATCHABLE) {
@@ -75,8 +75,8 @@ export async function remove(id) {
 export async function upsertDiscovered(svc) {
   const { id, name, category = 'other', host = null, url, icon = null, check = {} } = svc;
   const { rows: [r] } = await pool.query(
-    `INSERT INTO monitored_services (id, name, category, host, url, icon, check_cfg, source, enabled)
-     SELECT $1,$2,$3,$4,$5,$6,$7::jsonb,'discovered',false
+    `INSERT INTO monitored_services (id, name, category, host, url, icon, external, check_cfg, source, enabled)
+     SELECT $1,$2,$3,$4,$5,$6,NULL,$7::jsonb,'discovered',false
      WHERE NOT EXISTS (SELECT 1 FROM monitored_services WHERE url=$5)
      ON CONFLICT (id) DO NOTHING
      RETURNING ${COLS}`,
diff --git a/tests/health/registry.test.js b/tests/health/registry.test.js
index 4bdf933..7499da0 100644
--- a/tests/health/registry.test.js
+++ b/tests/health/registry.test.js
@@ -30,4 +30,12 @@ describe('registry', () => {
     expect(after.every(s => s.source === 'manual' && s.enabled)).toBe(true);
     expect(await seedFromConfig()).toBe(0);   // table not empty → no-op
   });
+
+  it('persists and returns external on create/get/update', async () => {
+    const id = 'ext-test';
+    await services.create({ id, name: 'Ext', url: 'http://10.0.0.1', external: 'https://ext.example.com' });
+    expect((await services.get(id)).external).toBe('https://ext.example.com');
+    const upd = await services.update(id, { external: 'https://ext2.example.com' });
+    expect(upd.external).toBe('https://ext2.example.com');
+  });
 });