diff --git a/src/Service/RDAPService.php b/src/Service/RDAPService.php
index 3113d4b..fb5312c 100644
--- a/src/Service/RDAPService.php
+++ b/src/Service/RDAPService.php
@@ -491,8 +491,8 @@ class RDAPService
                 $nameserverEntity = new NameserverEntity();
             }
 
-            if (isset($rdapEntity['status']) && is_array($rdapEntity['status'])) {
-                $nameserverEntity->setStatus($rdapNameserver['status']);
+            if (isset($rdapNameserver['status']) && is_array($rdapNameserver['status'])) {
+                $nameserverEntity->setStatus(array_map(fn ($s) => strtolower($s), array_unique($rdapNameserver['status'])));
             }
 
             $nameserver->addNameserverEntity($nameserverEntity