From eb720faaee9e11ad464682b950b6d9a185b2db73 Mon Sep 17 00:00:00 2001
From: Shreyas Zare <shreyas@technitium.com>
Date: Sat, 30 Apr 2022 18:14:07 +0530
Subject: [PATCH] AuthZoneTree: updated GetClosestValuesForZone() to fix issue
 with getting delegation for the zone value.

---
 DnsServerCore/Dns/Trees/AuthZoneTree.cs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/DnsServerCore/Dns/Trees/AuthZoneTree.cs b/DnsServerCore/Dns/Trees/AuthZoneTree.cs
index b8180182..da5bccbd 100644
--- a/DnsServerCore/Dns/Trees/AuthZoneTree.cs
+++ b/DnsServerCore/Dns/Trees/AuthZoneTree.cs
@@ -346,7 +346,6 @@ namespace DnsServerCore.Dns.Trees
             if (apexZone is not null)
             {
                 //hosted primary/secondary/stub/forwarder zone found
-                closestSubDomain = null;
                 closestDelegation = zoneValue.ParentSideZone;
                 closestAuthority = apexZone;
             }
@@ -355,7 +354,7 @@ namespace DnsServerCore.Dns.Trees
                 //hosted sub domain
                 SubDomainZone subDomainZone = zoneValue.ParentSideZone;
 
-                if ((closestDelegation is null) && subDomainZone.ContainsNameServerRecords())
+                if (subDomainZone.ContainsNameServerRecords())
                     closestDelegation = subDomainZone; //delegated sub domain found
                 else
                     closestSubDomain = subDomainZone;