From 317310579c8a98b7b45514dbac683652bfa21f58 Mon Sep 17 00:00:00 2001
From: Shreyas Zare <shreyas@technitium.com>
Date: Sun, 24 Apr 2022 17:28:17 +0530
Subject: [PATCH] DnsServer: updated ProcessANAMEAsync() to set last used on
 value when returning authority records for ANAME response.

---
 DnsServerCore/Dns/DnsServer.cs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/DnsServerCore/Dns/DnsServer.cs b/DnsServerCore/Dns/DnsServer.cs
index 336c90de..47c28e66 100644
--- a/DnsServerCore/Dns/DnsServer.cs
+++ b/DnsServerCore/Dns/DnsServer.cs
@@ -19,6 +19,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 using DnsServerCore.ApplicationCommon;
 using DnsServerCore.Dns.Applications;
+using DnsServerCore.Dns.ResourceRecords;
 using DnsServerCore.Dns.Trees;
 using DnsServerCore.Dns.ZoneManagers;
 using DnsServerCore.Dns.Zones;
@@ -1794,9 +1795,19 @@ namespace DnsServerCore.Dns
             if (responseAnswer.Count == 0)
             {
                 if (foundErrors)
+                {
                     rcode = DnsResponseCode.ServerFailure;
+                }
                 else
+                {
                     authority = response.Authority;
+
+                    //update last used on
+                    DateTime utcNow = DateTime.UtcNow;
+
+                    foreach (DnsResourceRecord record in authority)
+                        record.GetRecordInfo().LastUsedOn = utcNow;
+                }
             }
 
             return new DnsDatagram(request.Identifier, true, DnsOpcode.StandardQuery, true, false, request.RecursionDesired, isRecursionAllowed, false, false, rcode, request.Question, responseAnswer, authority, null) { Tag = response.Tag };