From b24be82552dca4818e72e459443d04360608e671 Mon Sep 17 00:00:00 2001
From: Shreyas Zare <shreyas@technitium.com>
Date: Sun, 24 Apr 2022 17:23:54 +0530
Subject: [PATCH] AuthZoneManager: updated GetReferralResponse() to set last
 used on value for stub authority records.

---
 DnsServerCore/Dns/ZoneManagers/AuthZoneManager.cs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/DnsServerCore/Dns/ZoneManagers/AuthZoneManager.cs b/DnsServerCore/Dns/ZoneManagers/AuthZoneManager.cs
index 3c547b21..23cae5d2 100644
--- a/DnsServerCore/Dns/ZoneManagers/AuthZoneManager.cs
+++ b/DnsServerCore/Dns/ZoneManagers/AuthZoneManager.cs
@@ -362,6 +362,12 @@ namespace DnsServerCore.Dns.ZoneManagers
             if (delegationZone is StubZone)
             {
                 authority = delegationZone.GetRecords(DnsResourceRecordType.NS); //stub zone has no authority so cant query
+
+                //update last used on
+                DateTime utcNow = DateTime.UtcNow;
+
+                foreach (DnsResourceRecord record in authority)
+                    record.GetRecordInfo().LastUsedOn = utcNow;
             }
             else
             {