diff --git a/DnsServerCore/Dns/Zones/AuthZoneInfo.cs b/DnsServerCore/Dns/Zones/AuthZoneInfo.cs
index 5eba4aee..1dff3368 100644
--- a/DnsServerCore/Dns/Zones/AuthZoneInfo.cs
+++ b/DnsServerCore/Dns/Zones/AuthZoneInfo.cs
@@ -1,6 +1,6 @@
 /*
 Technitium DNS Server
-Copyright (C) 2020  Shreyas Zare (shreyas@technitium.com)
+Copyright (C) 2021  Shreyas Zare (shreyas@technitium.com)
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -32,7 +32,8 @@ namespace DnsServerCore.Dns.Zones
         Primary = 1,
         Secondary = 2,
         Stub = 3,
-        Forwarder = 4
+        Forwarder = 4,
+        Application = 5
     }
 
     public sealed class AuthZoneInfo : IComparable<AuthZoneInfo>
@@ -97,6 +98,8 @@ namespace DnsServerCore.Dns.Zones
                 _type = AuthZoneType.Stub;
             else if (_zone is ForwarderZone)
                 _type = AuthZoneType.Forwarder;
+            else if (_zone is ApplicationZone)
+                _type = AuthZoneType.Application;
             else
                 _type = AuthZoneType.Unknown;