From 6489c9828cd34687f5774b04c4bb626db9c67ec6 Mon Sep 17 00:00:00 2001
From: Shreyas Zare <shreyas@technitium.com>
Date: Sat, 16 Mar 2024 13:27:38 +0530
Subject: [PATCH] ZoneTree: fixed wildcard matching bug in FindZoneNode().

---
 DnsServerCore/Dns/Trees/ZoneTree.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/DnsServerCore/Dns/Trees/ZoneTree.cs b/DnsServerCore/Dns/Trees/ZoneTree.cs
index 3328622b..de01a012 100644
--- a/DnsServerCore/Dns/Trees/ZoneTree.cs
+++ b/DnsServerCore/Dns/Trees/ZoneTree.cs
@@ -320,7 +320,7 @@ namespace DnsServerCore.Dns.Trees
                         }
                     }
                 }
-                else if ((wildcardNode is not null) && (currentNode.K == 0) && currentNode.HasChildren)
+                else if ((wildcardNode is not null) && (currentNode.K == 0) && currentNode.HasChildren && (currentNode != wildcardNode.Parent))
                 {
                     //ENT node with children so wildcard is not valid
                     wildcardNode = null;