diff --git a/core/domains/domain_edit.php b/core/domains/domain_edit.php
index ff7377ee3..3492c32fb 100644
--- a/core/domains/domain_edit.php
+++ b/core/domains/domain_edit.php
@@ -17,7 +17,7 @@
 
  The Initial Developer of the Original Code is
  Mark J Crane <markjcrane@fusionpbx.com>
- Portions created by the Initial Developer are Copyright (C) 2008-2025
+ Portions created by the Initial Developer are Copyright (C) 2008-2026
  the Initial Developer. All Rights Reserved.
 
  Contributor(s):
@@ -66,6 +66,32 @@
 		$domain_description = $_POST["domain_description"];
 	}
 
+// Set variables from http GET parameters
+	$page = is_numeric($_GET['page'] ?? '') ? $_GET['page'] : 0;
+	$order_by = preg_replace('#[^a-zA-Z0-9_\-]#', '', ($_GET['order_by'] ?? 'domain_name'));
+	$order = ($_GET['order'] ?? '') === 'desc' ? 'desc' : 'asc';
+	$search = $_GET['search'] ?? '';
+	$show = $_GET['show'] ?? '';
+
+// Build the query string
+	$url_params = [];
+	if (!empty($page)) {
+		$url_params['page'] = $page;
+	}
+	if (!empty($_GET['order_by'])) {
+		$url_params['order_by'] = $order_by;
+	}
+	if (!empty($_GET['order'])) {
+		$url_params['order'] = $order;
+	}
+	if (!empty($search)) {
+		$url_params['search'] = $search;
+	}
+	if (!empty($show) && $show == 'all' && permission_exists('domain_all')) {
+		$url_params['show'] = $show;
+	}
+	$query_string = http_build_query($url_params);
+
 //process the data
 	if (!empty($_POST) && empty($_POST["persistformvar"])) {
 
@@ -89,7 +115,7 @@
 				$cache->flush();
 
 				//redirect
-				header('Location: domains.php');
+				header('Location: domains.php'.($query_string ? '?'.$query_string : ''));
 				exit;
 			}
 
@@ -97,7 +123,7 @@
 			$token = new token;
 			if (!$token->validate($_SERVER['PHP_SELF'])) {
 				message::add($text['message-invalid_token'],'negative');
-				header('Location: domains.php');
+				header('Location: domains.php'.($query_string ? '?'.$query_string : ''));
 				exit;
 			}
 
@@ -193,7 +219,7 @@
 					}
 					else {
 						message::add($text['message-domain_exists'],'negative');
-						header("Location: domains.php");
+						header("Location: domains.php".($query_string ? '?'.$query_string : ''));
 						exit;
 					}
 				}
@@ -514,15 +540,15 @@
 				if ($action == "update") {
 					message::add($text['message-update']);
 					if (!permission_exists('domain_add')) { //admin, updating own domain
-						header("Location: domain_edit.php");
+						header("Location: domain_edit.php".($query_string ? '?'.$query_string : ''));
 					}
 					else {
-						header("Location: domains.php"); //superadmin
+						header("Location: domains.php".($query_string ? '?'.$query_string : '')); //superadmin
 					}
 				}
 				if ($action == "add") {
 					message::add($text['message-add']);
-					header("Location: domains.php");
+					header("Location: domains.php".($query_string ? '?'.$query_string : ''));
 				}
 				exit;
 			}
@@ -619,7 +645,7 @@
 	echo "	<div class='actions'>\n";
 
 	if (permission_exists('domain_add')) {
-		echo button::create(['type'=>'button','label'=>$text['button-back'],'icon'=>$settings->get('theme', 'button_icon_back'),'id'=>'btn_back','style'=>'margin-right: 15px;','link'=>'domains.php']);
+		echo button::create(['type'=>'button','label'=>$text['button-back'],'icon'=>$settings->get('theme', 'button_icon_back'),'id'=>'btn_back','style'=>'margin-right: 15px;','link'=>'domains.php'.($query_string ? '?'.$query_string : '')]);
 	}
 	if ($action == "update" && permission_exists('domain_setting_view')) {
 		echo button::create(['type'=>'button','label'=>$text['button-settings'],'icon'=>$settings->get('theme', 'button_icon_settings'),'id'=>'btn_back','style'=>'margin-right: 2px;','link'=>PROJECT_PATH.'/core/domain_settings/domain_settings.php?id='.urlencode($domain_uuid)]);
diff --git a/core/domains/domain_json.php b/core/domains/domain_json.php
index ce751bcc9..bf04cb2ab 100644
--- a/core/domains/domain_json.php
+++ b/core/domains/domain_json.php
@@ -41,10 +41,10 @@
 
 //add the search term
 	if (!empty($_GET["search"])) {
-		$search = strtolower($_GET["search"]);
+		$search = lower_case($_GET["search"]);
 	}
 
-//validate the token	
+//validate the token
 	//$token = new token;
 	//if (!$token->validate($_SERVER['PHP_SELF'])) {
 	//	message::add($text['message-invalid_token'],'negative');
diff --git a/core/domains/domains.php b/core/domains/domains.php
index 2b6c754fc..e1389cd3c 100644
--- a/core/domains/domains.php
+++ b/core/domains/domains.php
@@ -17,7 +17,7 @@
 
 	The Initial Developer of the Original Code is
 	Mark J Crane <markjcrane@fusionpbx.com>
-	Portions created by the Initial Developer are Copyright (C) 2018-2025
+	Portions created by the Initial Developer are Copyright (C) 2018-2026
 	the Initial Developer. All Rights Reserved.
 
 	Contributor(s):
@@ -112,10 +112,35 @@
 //get the http post data
 	if (!empty($_POST['domains'])) {
 		$action = $_POST['action'] ?? '';
-		$search = $_POST['search'] ?? '';
 		$domains = $_POST['domains'] ?? '';
 	}
 
+// Set variables from http GET parameters
+	$page = is_numeric($_GET['page'] ?? '') ? $_GET['page'] : 0;
+	$order_by = preg_replace('#[^a-zA-Z0-9_\-]#', '', ($_GET['order_by'] ?? 'domain_name'));
+	$order = ($_GET['order'] ?? '') === 'desc' ? 'desc' : 'asc';
+	$search = $_GET['search'] ?? '';
+	$show = $_GET['show'] ?? '';
+
+// Build the query string
+	$url_params = [];
+	if (!empty($page)) {
+		$url_params['page'] = $page;
+	}
+	if (!empty($_GET['order_by'])) {
+		$url_params['order_by'] = $order_by;
+	}
+	if (!empty($_GET['order'])) {
+		$url_params['order'] = $order;
+	}
+	if (!empty($search)) {
+		$url_params['search'] = $search;
+	}
+	if (!empty($show) && $show == 'all' && permission_exists('domain_all')) {
+		$url_params['show'] = $show;
+	}
+	$query_string = http_build_query($url_params);
+
 //process the http post data by action
 	if (!empty($action) && !empty($domains)) {
 		switch ($action) {
@@ -139,51 +164,39 @@
 				break;
 		}
 
-		header('Location: domains.php'.(!empty($search) ? '?search='.urlencode($search) : ''));
+		header('Location: domains.php'.($query_string ? '?'.$query_string : ''));
 		exit;
 	}
 
-//get order and order by and sanitize the values
-	$order_by = $_GET["order_by"] ?? '';
-	$order = $_GET["order"] ?? '';
-
-//set additional variables
-	$search = $_GET["search"] ?? '';
-	$show = $_GET["show"] ?? '';
-
 //set from session variables
 	$list_row_edit_button = $settings->get('theme', 'list_row_edit_button', false);
 
-//add the search string
-	if (!empty($search)) {
-		$search =  strtolower($_GET["search"]);
-		$sql_search = " (";
-		$sql_search .= "	lower(domain_name) like :search ";
-		$sql_search .= "	or lower(domain_description) like :search ";
-		$sql_search .= ") ";
-		$parameters['search'] = '%'.$search.'%';
-	}
-
 //get the count
 	$sql = "select count(domain_uuid) from v_domains ";
-	if (!empty($sql_search)) {
-		$sql .= "where ".$sql_search;
+	if (!empty($search)) {
+		$sql .= "where (";
+		$sql .= "	lower(domain_name) like :search ";
+		$sql .= "	or lower(domain_description) like :search ";
+		$sql .= ") ";
+		$parameters['search'] = '%'.lower_case($search).'%';
 	}
 	$num_rows = $database->select($sql, $parameters ?? null, 'column');
 
 //prepare to page the results
 	$rows_per_page = $settings->get('domain', 'paging', 50);
-	$param = $search ? "&search=".$search : null;
-	$page = !empty($_GET['page']) ? $_GET['page'] : 0;
-	list($paging_controls, $rows_per_page) = paging($num_rows, $param, $rows_per_page);
-	list($paging_controls_mini, $rows_per_page) = paging($num_rows, $param, $rows_per_page, true);
+	list($paging_controls, $rows_per_page) = paging($num_rows, $query_string, $rows_per_page);
+	list($paging_controls_mini, $rows_per_page) = paging($num_rows, $query_string, $rows_per_page, true);
 	$offset = $rows_per_page * $page;
 
 //get the list
 	$sql = "select domain_uuid, domain_name, cast(domain_enabled as text), domain_description ";
 	$sql .= "from v_domains ";
-	if (!empty($sql_search)) {
-		$sql .= "where ".$sql_search;
+	if (!empty($search)) {
+		$sql .= "where (";
+		$sql .= "	lower(domain_name) like :search ";
+		$sql .= "	or lower(domain_description) like :search ";
+		$sql .= ") ";
+		$parameters['search'] = '%'.lower_case($search).'%';
 	}
 	$sql .= order_by($order_by, $order, 'domain_name', 'asc');
 	$sql .= limit_offset($rows_per_page, $offset);
@@ -211,12 +224,17 @@
  	if (permission_exists('domain_delete') && $domains) {
  		echo button::create(['type'=>'button','label'=>$text['button-delete'],'icon'=>$settings->get('theme', 'button_icon_delete'),'id'=>'btn_delete','name'=>'btn_delete','style'=>'display: none;','onclick'=>"modal_display_selected('modal-delete'); modal_open('modal-delete','btn_delete_domain');"]);
  	}
-	echo 		"<form id='form_search' class='inline' method='get'>\n";
-	echo 		"<input type='text' class='txt list-search' name='search' id='search' value=\"".escape($search)."\" placeholder=\"".$text['label-search']."\" onkeydown=''>";
+	echo "		<form id='form_search' class='inline' method='get'>\n";
+	foreach ($url_params as $key => $value) {
+		if ($key !== 'search' && $key !== 'page') {
+			echo "		<input type='hidden' name='".escape($key)."' value='".escape($value)."'>\n";
+		}
+	}
+	echo "		<input type='text' class='txt list-search' name='search' id='search' value=\"".escape($search)."\" placeholder=\"".$text['label-search']."\" onkeydown=''>";
 	echo button::create(['label'=>$text['button-search'],'icon'=>$settings->get('theme', 'button_icon_search'),'type'=>'submit','id'=>'btn_search']);
 	//echo button::create(['label'=>$text['button-reset'],'icon'=>$settings->get('theme', 'button_icon_reset'),'type'=>'button','id'=>'btn_reset','link'=>'domains.php','style'=>($search == '' ? 'display: none;' : null)]);
 	if (!empty($paging_controls_mini)) {
-		echo 	"<span style='margin-left: 15px;'>".$paging_controls_mini."</span>\n";
+		echo "	<span style='margin-left: 15px;'>".$paging_controls_mini."</span>\n";
 	}
 	echo "		</form>\n";
 	echo "	</div>\n";
@@ -235,7 +253,6 @@
 
 	echo "<form id='form_list' method='post'>\n";
 	echo "<input type='hidden' id='action' name='action' value=''>\n";
-	echo "<input type='hidden' name='search' value=\"".escape($search)."\">\n";
 
 	echo "<div class='card'>\n";
 	echo "<table class='list'>\n";
@@ -246,11 +263,11 @@
 		echo "	</th>\n";
 	}
 	if ($show == 'all' && permission_exists('domain_all')) {
-		echo th_order_by('domain_name', $text['label-domain'], $order_by, $order);
+		echo th_order_by('domain_name', $text['label-domain'], $order_by, $order, null, null, $query_string);
 	}
-	echo th_order_by('domain_name', $text['label-domain_name'], $order_by, $order);
+	echo th_order_by('domain_name', $text['label-domain_name'], $order_by, $order, null, null, $query_string);
 	echo "<th class='center'>".$text['label-tools']."</th>";
-	echo th_order_by('domain_enabled', $text['label-domain_enabled'], $order_by, $order, null, "class='center'");
+	echo th_order_by('domain_enabled', $text['label-domain_enabled'], $order_by, $order, null, "class='center'", $query_string);
 	echo "	<th class='hide-sm-dn'>".$text['label-domain_description']."</th>\n";
 	if (permission_exists('domain_edit') && $list_row_edit_button) {
 		echo "	<td class='action-button'>&nbsp;</td>\n";
@@ -262,7 +279,7 @@
 		foreach ($domains as $row) {
 			$list_row_url = '';
 			if (permission_exists('domain_edit')) {
-				$list_row_url = "domain_edit.php?id=".urlencode($row['domain_uuid']);
+				$list_row_url = "domain_edit.php?id=".urlencode($row['domain_uuid']).($query_string ? '&'.$query_string : '');
 			}
 			echo "<tr class='list-row' href='".$list_row_url."'>\n";
 			if (permission_exists('domain_edit') || permission_exists('domain_delete')) {