fixed error when no domains are available

Signed-off-by: tracer <tracer@24unix.net>

src/Controller/RequestController.php

@@ -69,7 +69,7 @@ class RequestController
 		if (!empty($this->result)) {
 			echo json_encode(value: $this->result);
 		} else {
-			if ($this->status == 'pong') {
+			if (!empty($this->status) && $this->status == 'pong') {
 				echo json_encode(value: [
 					'response' => $this->status
 				]);