diff --git a/ARCHITECTURE.md b/ARCHITECTURE.md
index def9b1c..c66d815 100644
--- a/ARCHITECTURE.md
+++ b/ARCHITECTURE.md
@@ -6,7 +6,7 @@
 
 ```
 [Cloudflare Tunnel] → tk-cloudflared
-    ├── tkds.technicalkorea.net   → tk-gateway:80      (로그인 + 대시보드 + 공유JS)
+    ├── tkfb.technicalkorea.net   → tk-gateway:80      (로그인 + 대시보드 + 공유JS)
     ├── tkfb.technicalkorea.net   → tk-system1-web:80   (공장관리)
     ├── tkreport.technicalkorea.net → tk-system2-web:80  (신고)
     ├── tkqc.technicalkorea.net   → tk-system3-web:80   (부적합관리)
@@ -56,7 +56,7 @@
 ## SSO 인증 흐름
 
 1. 사용자가 아무 서비스 접근 → 프론트엔드 JS가 `sso_token` 쿠키 확인
-2. 토큰 없음/만료 → `tkds.technicalkorea.net/dashboard`로 리다이렉트 (redirect 파라미터 포함)
+2. 토큰 없음/만료 → `tkfb.technicalkorea.net/dashboard`로 리다이렉트 (redirect 파라미터 포함)
 3. 로그인 폼 제출 → `POST /auth/login` → sso-auth가 JWT 발급
 4. 쿠키 설정: `sso_token`, `sso_user`, `sso_refresh_token` (domain=`.technicalkorea.net`)
 5. redirect 파라미터가 있으면 원래 페이지로, 없으면 대시보드 표시
@@ -76,7 +76,7 @@ Gateway(`/shared/`)에서 서빙:
 
 각 서비스의 core.js에서 동적 로딩:
 ```
-프로덕션: https://tkds.technicalkorea.net/shared/notification-bell.js
+프로덕션: https://tkfb.technicalkorea.net/shared/notification-bell.js
 로컬:     http://localhost:30000/shared/notification-bell.js
 ```
 
@@ -89,7 +89,7 @@ Gateway(`/shared/`)에서 서빙:
 5. `sso-auth-service/config/`에 새 origin 추가
 6. `system1-factory/api/config/cors.js`에 새 origin 추가 (API 호출 시)
 7. 알림 벨 사용 시: core.js에 `_loadNotificationBell()` 함수 추가
-8. 로그인 리다이렉트: `tkds.technicalkorea.net/dashboard?redirect=` 패턴 사용
+8. 로그인 리다이렉트: `tkfb.technicalkorea.net/dashboard?redirect=` 패턴 사용
 
 ## 배포 절차
 
diff --git a/gateway/html/shared/nav-header.js b/gateway/html/shared/nav-header.js
index 6e9a4fb..6918ddf 100644
--- a/gateway/html/shared/nav-header.js
+++ b/gateway/html/shared/nav-header.js
@@ -62,7 +62,7 @@
       var loginUrl;
 
       if (hostname.includes('technicalkorea.net')) {
-        loginUrl = window.location.protocol + '//tkds.technicalkorea.net/dashboard';
+        loginUrl = window.location.protocol + '//tkfb.technicalkorea.net/dashboard';
       } else {
         // 개발 환경: tkds 포트 (30780)
         loginUrl = window.location.protocol + '//' + hostname + ':30780/dashboard';
diff --git a/sso-auth-service/index.js b/sso-auth-service/index.js
index d63c177..fdd99b8 100644
--- a/sso-auth-service/index.js
+++ b/sso-auth-service/index.js
@@ -23,7 +23,7 @@ const allowedOrigins = [
   'https://tkpurchase.technicalkorea.net',
   'https://tksafety.technicalkorea.net',
   'https://tksupport.technicalkorea.net',
-  'https://tkds.technicalkorea.net',
+  'https://tkfb.technicalkorea.net',
 ];
 if (process.env.NODE_ENV === 'development') {
   allowedOrigins.push('http://localhost:30000', 'http://localhost:30080', 'http://localhost:30180', 'http://localhost:30280', 'http://localhost:30380');
diff --git a/system1-factory/api/config/cors.js b/system1-factory/api/config/cors.js
index 93042fe..a0fe5d5 100644
--- a/system1-factory/api/config/cors.js
+++ b/system1-factory/api/config/cors.js
@@ -14,7 +14,7 @@ const logger = require('../utils/logger');
  */
 const allowedOrigins = [
   'https://tkfb.technicalkorea.net',      // System 1 (공장관리)
-  'https://tkds.technicalkorea.net',      // Gateway/Dashboard
+  'https://tkfb.technicalkorea.net',      // Gateway/Dashboard
   'https://tkreport.technicalkorea.net',   // System 2
   'https://tkqc.technicalkorea.net',       // System 3
   'https://tkuser.technicalkorea.net',     // User Management
diff --git a/system1-factory/web/js/api-base.js b/system1-factory/web/js/api-base.js
index 57f531c..e576a6d 100644
--- a/system1-factory/web/js/api-base.js
+++ b/system1-factory/web/js/api-base.js
@@ -52,7 +52,7 @@ if ('caches' in window) {
   window.getLoginUrl = function() {
     var hostname = window.location.hostname;
     if (hostname.includes('technicalkorea.net')) {
-      return window.location.protocol + '//tkds.technicalkorea.net/dashboard?redirect=' + encodeURIComponent(window.location.href);
+      return window.location.protocol + '//tkfb.technicalkorea.net/dashboard?redirect=' + encodeURIComponent(window.location.href);
     }
     // 개발 환경: tkds 포트 (30780)
     return window.location.protocol + '//' + hostname + ':30780/dashboard?redirect=' + encodeURIComponent(window.location.href);
diff --git a/system1-factory/web/static/js/tkfb-core.js b/system1-factory/web/static/js/tkfb-core.js
index c41b82e..09c4de3 100644
--- a/system1-factory/web/static/js/tkfb-core.js
+++ b/system1-factory/web/static/js/tkfb-core.js
@@ -25,7 +25,7 @@ function getToken() { return _cookieGet('sso_token') || localStorage.getItem('ss
 function getLoginUrl() {
     const h = location.hostname;
     const t = Date.now();
-    if (h.includes('technicalkorea.net')) return location.protocol + '//tkds.technicalkorea.net/dashboard?redirect=' + encodeURIComponent(location.href) + '&_t=' + t;
+    if (h.includes('technicalkorea.net')) return location.protocol + '//tkfb.technicalkorea.net/dashboard?redirect=' + encodeURIComponent(location.href) + '&_t=' + t;
     return location.protocol + '//' + h + ':30780/dashboard?redirect=' + encodeURIComponent(location.href) + '&_t=' + t;
 }
 function decodeToken(t) { try { const b = atob(t.split('.')[1].replace(/-/g,'+').replace(/_/g,'/')); return JSON.parse(new TextDecoder().decode(Uint8Array.from(b, c => c.charCodeAt(0)))); } catch { return null; } }
@@ -314,7 +314,7 @@ async function initAuth() {
 /* ===== 알림 벨 ===== */
 function _loadNotificationBell() {
     const s = document.createElement('script');
-    s.src = (location.hostname.includes('technicalkorea.net') ? 'https://tkds.technicalkorea.net' : location.protocol + '//' + location.hostname + ':30000') + '/shared/notification-bell.js?v=4';
+    s.src = (location.hostname.includes('technicalkorea.net') ? 'https://tkfb.technicalkorea.net' : location.protocol + '//' + location.hostname + ':30000') + '/shared/notification-bell.js?v=4';
     document.head.appendChild(s);
 }
 
diff --git a/system2-report/web/js/api-base.js b/system2-report/web/js/api-base.js
index 67e3698..31c1804 100644
--- a/system2-report/web/js/api-base.js
+++ b/system2-report/web/js/api-base.js
@@ -53,7 +53,7 @@ if ('serviceWorker' in navigator) {
     var hostname = window.location.hostname;
     var t = Date.now();
     if (hostname.includes('technicalkorea.net')) {
-      return window.location.protocol + '//tkds.technicalkorea.net/dashboard?redirect=' + encodeURIComponent(window.location.href) + '&_t=' + t;
+      return window.location.protocol + '//tkfb.technicalkorea.net/dashboard?redirect=' + encodeURIComponent(window.location.href) + '&_t=' + t;
     }
     return window.location.protocol + '//' + hostname + ':30780/dashboard?redirect=' + encodeURIComponent(window.location.href) + '&_t=' + t;
   };
@@ -153,7 +153,7 @@ if ('serviceWorker' in navigator) {
   window._loadNotificationBell = function() {
     var h = window.location.hostname;
     var s = document.createElement('script');
-    s.src = (h.includes('technicalkorea.net') ? 'https://tkds.technicalkorea.net' : window.location.protocol + '//' + h + ':30000') + '/shared/notification-bell.js?v=4';
+    s.src = (h.includes('technicalkorea.net') ? 'https://tkfb.technicalkorea.net' : window.location.protocol + '//' + h + ':30000') + '/shared/notification-bell.js?v=4';
     document.head.appendChild(s);
   };
 
diff --git a/system3-nonconformance/web/static/js/api.js b/system3-nonconformance/web/static/js/api.js
index 00ede07..93b5527 100644
--- a/system3-nonconformance/web/static/js/api.js
+++ b/system3-nonconformance/web/static/js/api.js
@@ -16,7 +16,7 @@ function _getLoginUrl() {
     const hostname = window.location.hostname;
     const t = Date.now();
     if (hostname.includes('technicalkorea.net')) {
-        return window.location.protocol + '//tkds.technicalkorea.net/dashboard?redirect=' + encodeURIComponent(window.location.href) + '&_t=' + t;
+        return window.location.protocol + '//tkfb.technicalkorea.net/dashboard?redirect=' + encodeURIComponent(window.location.href) + '&_t=' + t;
     }
     return window.location.protocol + '//' + hostname + ':30000/dashboard?redirect=' + encodeURIComponent(window.location.href) + '&_t=' + t;
 }
diff --git a/system3-nonconformance/web/static/js/app.js b/system3-nonconformance/web/static/js/app.js
index 1e39206..5334f8c 100644
--- a/system3-nonconformance/web/static/js/app.js
+++ b/system3-nonconformance/web/static/js/app.js
@@ -389,7 +389,7 @@ class App {
     redirectToLogin() {
         const hostname = window.location.hostname;
         if (hostname.includes('technicalkorea.net')) {
-            window.location.href = window.location.protocol + '//tkds.technicalkorea.net/dashboard?redirect=' + encodeURIComponent(window.location.href);
+            window.location.href = window.location.protocol + '//tkfb.technicalkorea.net/dashboard?redirect=' + encodeURIComponent(window.location.href);
         } else {
             window.location.href = window.location.protocol + '//' + hostname + ':30000/dashboard?redirect=' + encodeURIComponent(window.location.href);
         }
@@ -401,7 +401,7 @@ class App {
     _loadNotificationBell() {
         var h = window.location.hostname;
         var s = document.createElement('script');
-        s.src = (h.includes('technicalkorea.net') ? 'https://tkds.technicalkorea.net' : window.location.protocol + '//' + h + ':30000') + '/shared/notification-bell.js?v=4';
+        s.src = (h.includes('technicalkorea.net') ? 'https://tkfb.technicalkorea.net' : window.location.protocol + '//' + h + ':30000') + '/shared/notification-bell.js?v=4';
         document.head.appendChild(s);
     }
 
diff --git a/system3-nonconformance/web/static/js/components/common-header.js b/system3-nonconformance/web/static/js/components/common-header.js
index 5ad4b51..89a2e7e 100644
--- a/system3-nonconformance/web/static/js/components/common-header.js
+++ b/system3-nonconformance/web/static/js/components/common-header.js
@@ -669,7 +669,7 @@ class CommonHeader {
                 localStorage.removeItem('sso_user');
                 var hostname = window.location.hostname;
                 if (hostname.includes('technicalkorea.net')) {
-                    window.location.href = window.location.protocol + '//tkds.technicalkorea.net/dashboard';
+                    window.location.href = window.location.protocol + '//tkfb.technicalkorea.net/dashboard';
                 } else {
                     window.location.href = window.location.protocol + '//' + hostname + ':30000/dashboard';
                 }
diff --git a/system3-nonconformance/web/static/js/core/auth-manager.js b/system3-nonconformance/web/static/js/core/auth-manager.js
index 541c6ff..e5a5e44 100644
--- a/system3-nonconformance/web/static/js/core/auth-manager.js
+++ b/system3-nonconformance/web/static/js/core/auth-manager.js
@@ -92,7 +92,7 @@ class AuthManager {
     _getLoginUrl() {
         const hostname = window.location.hostname;
         if (hostname.includes('technicalkorea.net')) {
-            return window.location.protocol + '//tkds.technicalkorea.net/dashboard?redirect=' + encodeURIComponent(window.location.href);
+            return window.location.protocol + '//tkfb.technicalkorea.net/dashboard?redirect=' + encodeURIComponent(window.location.href);
         }
         return window.location.protocol + '//' + hostname + ':30000/dashboard?redirect=' + encodeURIComponent(window.location.href);
     }
diff --git a/tkeg/web/src/config.js b/tkeg/web/src/config.js
index a55976f..84060a4 100644
--- a/tkeg/web/src/config.js
+++ b/tkeg/web/src/config.js
@@ -10,7 +10,7 @@ export const config = {
   /** SSO 로그인 리다이렉트 URL */
   ssoLoginUrl: (redirect) => {
     const base = isProd
-      ? `${protocol}//tkds.technicalkorea.net/dashboard`
+      ? `${protocol}//tkfb.technicalkorea.net/dashboard`
       : `${protocol}//${hostname}:30000/dashboard`;
     return redirect ? `${base}?redirect=${encodeURIComponent(redirect)}` : base;
   },
diff --git a/tkpurchase/web/static/js/tkpurchase-core.js b/tkpurchase/web/static/js/tkpurchase-core.js
index 5210ce2..72478d4 100644
--- a/tkpurchase/web/static/js/tkpurchase-core.js
+++ b/tkpurchase/web/static/js/tkpurchase-core.js
@@ -21,7 +21,7 @@ function getToken() { return _cookieGet('sso_token') || localStorage.getItem('ss
 function getLoginUrl() {
     const h = location.hostname;
     const t = Date.now();
-    if (h.includes('technicalkorea.net')) return location.protocol + '//tkds.technicalkorea.net/dashboard?redirect=' + encodeURIComponent(location.href) + '&_t=' + t;
+    if (h.includes('technicalkorea.net')) return location.protocol + '//tkfb.technicalkorea.net/dashboard?redirect=' + encodeURIComponent(location.href) + '&_t=' + t;
     return location.protocol + '//' + h + ':30780/dashboard?redirect=' + encodeURIComponent(location.href) + '&_t=' + t;
 }
 function decodeToken(t) { try { const b = atob(t.split('.')[1].replace(/-/g,'+').replace(/_/g,'/')); return JSON.parse(new TextDecoder().decode(Uint8Array.from(b, c => c.charCodeAt(0)))); } catch { return null; } }
@@ -195,7 +195,7 @@ function initAuth() {
 /* ===== 알림 벨 ===== */
 function _loadNotificationBell() {
     const s = document.createElement('script');
-    s.src = (location.hostname.includes('technicalkorea.net') ? 'https://tkds.technicalkorea.net' : location.protocol + '//' + location.hostname + ':30000') + '/shared/notification-bell.js?v=4';
+    s.src = (location.hostname.includes('technicalkorea.net') ? 'https://tkfb.technicalkorea.net' : location.protocol + '//' + location.hostname + ':30000') + '/shared/notification-bell.js?v=4';
     document.head.appendChild(s);
 }
 
diff --git a/tksafety/web/static/js/tksafety-core.js b/tksafety/web/static/js/tksafety-core.js
index d5cd167..32b6c29 100644
--- a/tksafety/web/static/js/tksafety-core.js
+++ b/tksafety/web/static/js/tksafety-core.js
@@ -21,7 +21,7 @@ function getToken() { return _cookieGet('sso_token') || localStorage.getItem('ss
 function getLoginUrl() {
     const h = location.hostname;
     const t = Date.now();
-    if (h.includes('technicalkorea.net')) return location.protocol + '//tkds.technicalkorea.net/dashboard?redirect=' + encodeURIComponent(location.href) + '&_t=' + t;
+    if (h.includes('technicalkorea.net')) return location.protocol + '//tkfb.technicalkorea.net/dashboard?redirect=' + encodeURIComponent(location.href) + '&_t=' + t;
     return location.protocol + '//' + h + ':30780/dashboard?redirect=' + encodeURIComponent(location.href) + '&_t=' + t;
 }
 function decodeToken(t) { try { const b = atob(t.split('.')[1].replace(/-/g,'+').replace(/_/g,'/')); return JSON.parse(new TextDecoder().decode(Uint8Array.from(b, c => c.charCodeAt(0)))); } catch { return null; } }
@@ -173,7 +173,7 @@ function initAuth() {
 /* ===== 알림 벨 ===== */
 function _loadNotificationBell() {
     const s = document.createElement('script');
-    s.src = (location.hostname.includes('technicalkorea.net') ? 'https://tkds.technicalkorea.net' : location.protocol + '//' + location.hostname + ':30000') + '/shared/notification-bell.js?v=4';
+    s.src = (location.hostname.includes('technicalkorea.net') ? 'https://tkfb.technicalkorea.net' : location.protocol + '//' + location.hostname + ':30000') + '/shared/notification-bell.js?v=4';
     document.head.appendChild(s);
 }
 
diff --git a/tksupport/web/static/js/tksupport-core.js b/tksupport/web/static/js/tksupport-core.js
index d7c2057..ac4da07 100644
--- a/tksupport/web/static/js/tksupport-core.js
+++ b/tksupport/web/static/js/tksupport-core.js
@@ -16,7 +16,7 @@ function getToken() { return _cookieGet('sso_token'); }
 function getLoginUrl() {
     const h = location.hostname;
     const t = Date.now();
-    if (h.includes('technicalkorea.net')) return location.protocol + '//tkds.technicalkorea.net/dashboard?redirect=' + encodeURIComponent(location.href) + '&_t=' + t;
+    if (h.includes('technicalkorea.net')) return location.protocol + '//tkfb.technicalkorea.net/dashboard?redirect=' + encodeURIComponent(location.href) + '&_t=' + t;
     return location.protocol + '//' + h + ':30780/dashboard?redirect=' + encodeURIComponent(location.href) + '&_t=' + t;
 }
 function decodeToken(t) { try { const b = atob(t.split('.')[1].replace(/-/g,'+').replace(/_/g,'/')); return JSON.parse(new TextDecoder().decode(Uint8Array.from(b, c => c.charCodeAt(0)))); } catch { return null; } }
@@ -198,7 +198,7 @@ async function _loadPermissions(userId) {
 /* ===== 알림 벨 ===== */
 function _loadNotificationBell() {
     const s = document.createElement('script');
-    s.src = (location.hostname.includes('technicalkorea.net') ? 'https://tkds.technicalkorea.net' : location.protocol + '//' + location.hostname + ':30000') + '/shared/notification-bell.js?v=4';
+    s.src = (location.hostname.includes('technicalkorea.net') ? 'https://tkfb.technicalkorea.net' : location.protocol + '//' + location.hostname + ':30000') + '/shared/notification-bell.js?v=4';
     document.head.appendChild(s);
 }
 
diff --git a/user-management/web/static/js/tkuser-core.js b/user-management/web/static/js/tkuser-core.js
index c8a4319..86c2c20 100644
--- a/user-management/web/static/js/tkuser-core.js
+++ b/user-management/web/static/js/tkuser-core.js
@@ -16,7 +16,7 @@ function getToken() { return _cookieGet('sso_token') || localStorage.getItem('ss
 function getLoginUrl() {
     const h = location.hostname;
     const t = Date.now(); // 캐시 버스팅
-    if (h.includes('technicalkorea.net')) return location.protocol + '//tkds.technicalkorea.net/dashboard?redirect=' + encodeURIComponent(location.href) + '&_t=' + t;
+    if (h.includes('technicalkorea.net')) return location.protocol + '//tkfb.technicalkorea.net/dashboard?redirect=' + encodeURIComponent(location.href) + '&_t=' + t;
     return location.protocol + '//' + h + ':30780/dashboard?redirect=' + encodeURIComponent(location.href) + '&_t=' + t;
 }
 function decodeToken(t) { try { const b = atob(t.split('.')[1].replace(/-/g,'+').replace(/_/g,'/')); return JSON.parse(new TextDecoder().decode(Uint8Array.from(b, c => c.charCodeAt(0)))); } catch { return null; } }
@@ -211,7 +211,7 @@ async function init() {
 /* ===== 알림 벨 ===== */
 function _loadNotificationBell() {
     const s = document.createElement('script');
-    s.src = (location.hostname.includes('technicalkorea.net') ? 'https://tkds.technicalkorea.net' : location.protocol + '//' + location.hostname + ':30000') + '/shared/notification-bell.js?v=4';
+    s.src = (location.hostname.includes('technicalkorea.net') ? 'https://tkfb.technicalkorea.net' : location.protocol + '//' + location.hostname + ':30000') + '/shared/notification-bell.js?v=4';
     document.head.appendChild(s);
 }