sorting zone output list done.

DnsServerCore/DnsWebService.cs

@@ -502,6 +502,8 @@ namespace DnsServerCore
             string[] subZones = _dnsServer.CacheZoneRoot.ListSubZones(domain);
             DnsResourceRecord[] records = _dnsServer.CacheZoneRoot.GetAllRecords(domain, false);
 
+            Array.Sort(subZones);
+
             jsonWriter.WritePropertyName("zones");
             jsonWriter.WriteStartArray();
 
@@ -529,6 +531,8 @@ namespace DnsServerCore
         {
             Zone.ZoneInfo[] zones = _dnsServer.AuthoritativeZoneRoot.ListAuthoritativeZones();
 
+            Array.Sort(zones);
+
             jsonWriter.WritePropertyName("zones");
             jsonWriter.WriteStartArray();
 

DnsServerCore/Zone.cs

@@ -824,7 +824,7 @@ namespace DnsServerCore
 
         #endregion
 
-        public class ZoneInfo
+        public class ZoneInfo : IComparable<ZoneInfo>
         {
             #region variables
 
@@ -849,6 +849,15 @@ namespace DnsServerCore
 
             #endregion
 
+            #region public
+
+            public int CompareTo(ZoneInfo other)
+            {
+                return this._zoneName.CompareTo(other._zoneName);
+            }
+
+            #endregion
+
             #region properties
 
             public string ZoneName