diff --git a/cp/app/Controllers/ContactsController.php b/cp/app/Controllers/ContactsController.php
index 3973351..22f9a03 100644
--- a/cp/app/Controllers/ContactsController.php
+++ b/cp/app/Controllers/ContactsController.php
@@ -906,10 +906,26 @@ class ContactsController extends Controller
                 throw new \RuntimeException('Audit table is empty or not configured');
             }
 
-            $contact = $db->selectRow('SELECT id, identifier FROM contact WHERE identifier = ?',
+            $contact = $db->selectRow('SELECT id, identifier, clid FROM contact WHERE identifier = ?',
             [ $args ]);
 
             if ($contact) {
+                $registrars = $db->selectRow('SELECT id, clid, name FROM registrar WHERE id = ?', [$contact['clid']]);
+
+                // Check if the user is not an admin (assuming role 0 is admin)
+                if ($_SESSION["auth_roles"] != 0) {
+                    $userRegistrars = $db->select('SELECT registrar_id FROM registrar_users WHERE user_id = ?', [$_SESSION['auth_user_id']]);
+
+                    // Assuming $userRegistrars returns an array of arrays, each containing 'registrar_id'
+                    $userRegistrarIds = array_column($userRegistrars, 'registrar_id');
+
+                    // Check if the registrar's ID is in the user's list of registrar IDs
+                    if (!in_array($registrars['id'], $userRegistrarIds)) {
+                        // Redirect to the contacts view if the user is not authorized for this contact
+                        return $response->withHeader('Location', '/contacts')->withStatus(302);
+                    }
+                }
+
                 $history = $db_audit->select(
                     'SELECT * FROM contact WHERE identifier = ? ORDER BY audit_timestamp DESC, audit_rownum ASC',
                     [$args]
diff --git a/cp/app/Controllers/DomainsController.php b/cp/app/Controllers/DomainsController.php
index e26c7e5..5485eba 100644
--- a/cp/app/Controllers/DomainsController.php
+++ b/cp/app/Controllers/DomainsController.php
@@ -1078,10 +1078,26 @@ class DomainsController extends Controller
                 throw new \RuntimeException('Audit table is empty or not configured');
             }
 
-            $domain = $db->selectRow('SELECT id,name FROM domain WHERE name = ?',
+            $domain = $db->selectRow('SELECT id, name, clid FROM domain WHERE name = ?',
             [ $args ]);
 
             if ($domain) {
+                $registrars = $db->selectRow('SELECT id, clid, name FROM registrar WHERE id = ?', [$domain['clid']]);
+
+                // Check if the user is not an admin (assuming role 0 is admin)
+                if ($_SESSION["auth_roles"] != 0) {
+                    $userRegistrars = $db->select('SELECT registrar_id FROM registrar_users WHERE user_id = ?', [$_SESSION['auth_user_id']]);
+
+                    // Assuming $userRegistrars returns an array of arrays, each containing 'registrar_id'
+                    $userRegistrarIds = array_column($userRegistrars, 'registrar_id');
+
+                    // Check if the registrar's ID is in the user's list of registrar IDs
+                    if (!in_array($registrars['id'], $userRegistrarIds)) {
+                        // Redirect to the domains view if the user is not authorized for this contact
+                        return $response->withHeader('Location', '/domains')->withStatus(302);
+                    }
+                }
+
                 $history = $db_audit->select(
                     'SELECT * FROM domain WHERE name = ? ORDER BY audit_timestamp DESC, audit_rownum ASC',
                     [$args]
diff --git a/cp/app/Controllers/HostsController.php b/cp/app/Controllers/HostsController.php
index 224379e..0219512 100644
--- a/cp/app/Controllers/HostsController.php
+++ b/cp/app/Controllers/HostsController.php
@@ -316,10 +316,26 @@ class HostsController extends Controller
                 }
             }
 
-            $host = $db->selectRow('SELECT id, name FROM host WHERE name = ?',
+            $host = $db->selectRow('SELECT id, name, clid FROM host WHERE name = ?',
             [ $args ]);
 
             if ($host) {
+                $registrars = $db->selectRow('SELECT id, clid, name FROM registrar WHERE id = ?', [$host['clid']]);
+
+                // Check if the user is not an admin (assuming role 0 is admin)
+                if ($_SESSION["auth_roles"] != 0) {
+                    $userRegistrars = $db->select('SELECT registrar_id FROM registrar_users WHERE user_id = ?', [$_SESSION['auth_user_id']]);
+
+                    // Assuming $userRegistrars returns an array of arrays, each containing 'registrar_id'
+                    $userRegistrarIds = array_column($userRegistrars, 'registrar_id');
+
+                    // Check if the registrar's ID is in the user's list of registrar IDs
+                    if (!in_array($registrars['id'], $userRegistrarIds)) {
+                        // Redirect to the hosts view if the user is not authorized for this host
+                        return $response->withHeader('Location', '/hosts')->withStatus(302);
+                    }
+                }
+
                 try {
                     $exists = $db_audit->selectValue('SELECT 1 FROM domain LIMIT 1');
                 } catch (\PDOException $e) {
diff --git a/cp/app/Controllers/RegistrarsController.php b/cp/app/Controllers/RegistrarsController.php
index 4a697e9..ca8f1fc 100644
--- a/cp/app/Controllers/RegistrarsController.php
+++ b/cp/app/Controllers/RegistrarsController.php
@@ -427,6 +427,20 @@ class RegistrarsController extends Controller
             [ $args ]);
 
             if ($registrar) {
+                // Check if the user is not an admin
+                if ($_SESSION["auth_roles"] != 0) {
+                    $userRegistrars = $db->select('SELECT registrar_id FROM registrar_users WHERE user_id = ?', [$_SESSION['auth_user_id']]);
+
+                    // Assuming $userRegistrars returns an array of arrays, each containing 'registrar_id'
+                    $userRegistrarIds = array_column($userRegistrars, 'registrar_id');
+
+                    // Check if the registrar's ID is in the user's list of registrar IDs
+                    if (!in_array($registrar['id'], $userRegistrarIds)) {
+                        // Redirect to the registrars view if the user is not authorized for this contact
+                        return $response->withHeader('Location', '/registrars')->withStatus(302);
+                    }
+                }
+
                 try {
                     $exists = $db_audit->selectValue('SELECT 1 FROM domain LIMIT 1');
                 } catch (\PDOException $e) {