diff --git a/index.html b/index.html
index 1e13cc6..8dd3789 100644
--- a/index.html
+++ b/index.html
@@ -325,28 +325,50 @@
       return window.location.protocol === 'https:' ? 'https:' : 'http:'
     }
 
+    function resolveTenantDomain() {
+      var host = String(window.location.hostname || '').trim()
+      if (!host || host === 'localhost' || host === '127.0.0.1') {
+        return 'k.montzar.ir'
+      }
+      return host
+    }
+
+    function getSuperAdminBases() {
+      return [
+        'https://adm.montzar.ir',
+        'https://adm.montech.ir',
+        'https://adm.montest.ir'
+      ]
+    }
+
     function getVersionUrls() {
       var protocol = getProtocol()
+      var domain = encodeURIComponent(resolveTenantDomain())
+      var urls = getSuperAdminBases().map(function (base) {
+        return base + '/get_version?domain=' + domain
+      })
 
-      return [
-        'https://nerkh.gold/get_version',
+      return urls.concat([
         'https://tablo.talasevin.ir/get_version',
         'https://abshode-service.montgit.ir/server/get_version',
         protocol + '//212.23.201.173:8381/get_version',
         protocol + '//91.212.174.137:4040/server/get_version'
-      ]
+      ])
     }
 
     function getConfigUrls() {
       var protocol = getProtocol()
+      var domain = encodeURIComponent(resolveTenantDomain())
+      var urls = getSuperAdminBases().map(function (base) {
+        return base + '/get_user?domain=' + domain
+      })
 
-      return [
-        protocol + '//nerkh.gold/get_user',
+      return urls.concat([
         protocol + '//tablo.talasevin.ir/get_user',
         protocol + '//abshode-service.montgit.ir/server/get_user',
         protocol + '//212.23.201.173:8381/get_user',
         protocol + '//91.212.174.137:4040/server/get_user'
-      ]
+      ])
     }
 
     function sortVersionUrls(urls) {
diff --git a/src/config/apply-config.ts b/src/config/apply-config.ts
index f0044f9..459472f 100644
--- a/src/config/apply-config.ts
+++ b/src/config/apply-config.ts
@@ -76,8 +76,8 @@ function resolveRemoteLogo(path: string) {
 
   const lastSuccess = localStorage.getItem('CONFIG_Success_URL')
   const base = lastSuccess
-    ? lastSuccess.replace(/\/get_user\/?$/i, '').replace(/\/+$/, '')
-    : 'https://nerkh.gold'
+    ? lastSuccess.replace(/[?#].*$/, '').replace(/\/get_user\/?$/i, '').replace(/\/+$/, '')
+    : 'https://adm.montzar.ir'
 
   return `${base}/${path.replace(/^\/+/, '')}`
 }
diff --git a/src/config/load-config.ts b/src/config/load-config.ts
index 0b9e82b..340c037 100644
--- a/src/config/load-config.ts
+++ b/src/config/load-config.ts
@@ -5,30 +5,43 @@ import { readCachedAppConfig, writeCachedAppConfig } from '@/config/config-cache
 const CONFIG_SUCCESS_URL_KEY = 'CONFIG_Success_URL'
 export const CONFIG_RETRY_ROUNDS = 5
 
+const SUPERADMIN_BASES = [
+  'https://adm.montzar.ir',
+  'https://adm.montech.ir',
+  'https://adm.montest.ir',
+] as const
+
 function getProtocol() {
   return window.location.protocol === 'https:' ? 'https:' : 'http:'
 }
 
+function resolveTenantDomain() {
+  const host = String(window.location.hostname || '').trim()
+  if (!host || host === 'localhost' || host === '127.0.0.1') {
+    return 'k.montzar.ir'
+  }
+  return host
+}
+
 export function getConfigUrls() {
   const protocol = getProtocol()
+  const domain = encodeURIComponent(resolveTenantDomain())
 
   return [
-    `${protocol}//nerkh.gold/get_user`,
+    ...SUPERADMIN_BASES.map((base) => `${base}/get_user?domain=${domain}`),
     `${protocol}//tablo.talasevin.ir/get_user`,
     `${protocol}//abshode-service.montgit.ir/server/get_user`,
     `${protocol}//212.23.201.173:8381/get_user`,
-    `${protocol}//91.212.174.137:4040/server/get_user`
+    `${protocol}//91.212.174.137:4040/server/get_user`,
   ]
 }
 
 export function sortConfigUrls(urls: string[]) {
   const lastSuccessUrl = localStorage.getItem(CONFIG_SUCCESS_URL_KEY)
-
-  return [...urls].sort((a, b) => {
-    if (a === lastSuccessUrl) return -1
-    if (b === lastSuccessUrl) return 1
-    return 0
-  })
+  if (!lastSuccessUrl || !urls.includes(lastSuccessUrl)) {
+    return [...urls]
+  }
+  return [lastSuccessUrl, ...urls.filter((url) => url !== lastSuccessUrl)]
 }
 
 function clearStaleConfigSuccessUrl(url: string) {
@@ -45,10 +58,10 @@ async function fetchConfig(url: string, timeout = 3000): Promise<AppConfig> {
     const response = await fetch(url, {
       method: 'GET',
       headers: {
-        Accept: 'application/json'
+        Accept: 'application/json',
       },
       cache: 'no-store',
-      signal: controller.signal
+      signal: controller.signal,
     })
 
     if (!response.ok) {
diff --git a/src/config/load-version.ts b/src/config/load-version.ts
index 5cbd77d..bed66e0 100644
--- a/src/config/load-version.ts
+++ b/src/config/load-version.ts
@@ -20,13 +20,19 @@ function getProtocol() {
 
 function getVersionUrls() {
   const protocol = getProtocol()
+  const host = String(window.location.hostname || '').trim()
+  const domain = encodeURIComponent(
+    !host || host === 'localhost' || host === '127.0.0.1' ? 'k.montzar.ir' : host,
+  )
 
   return [
-    'https://nerkh.gold/get_version',
+    `https://adm.montzar.ir/get_version?domain=${domain}`,
+    `https://adm.montech.ir/get_version?domain=${domain}`,
+    `https://adm.montest.ir/get_version?domain=${domain}`,
     'https://tablo.talasevin.ir/get_version',
     'https://abshode-service.montgit.ir/server/get_version',
     `${protocol}//212.23.201.173:8381/get_version`,
-    `${protocol}//91.212.174.137:4040/server/get_version`
+    `${protocol}//91.212.174.137:4040/server/get_version`,
   ]
 }