Use natural sort for domain records.

app/templates/domain.html

@@ -1,6 +1,11 @@
 {% extends "base.html" %}
 {% block title %}<title>DNS Control Panel - DOMAIN</title>{% endblock %}
 
+{% block scripts %}
+<!-- DataTables Natural Sort -->
+<script src="{{ url_for('static', filename='adminlte2/plugins/datatables/extensions/NaturalSort/natural.js.min') }}"></script>
+{% endblock %}
+
 {% block dashboard_stat %}
 <section class="content-header">
     <h1>
@@ -143,7 +148,10 @@
         "language": {
             "lengthMenu": " _MENU_ records"
         },
-        "retrieve" : true
+        "retrieve" : true,
+        "columnDefs": [
+	       { type: 'natural', targets: [0, 4] }
+        ]
     });
     
     // handle delete button