From 59f8daab1daa476731b76b355b71db98b5172b42 Mon Sep 17 00:00:00 2001
From: Shreyas Zare <shreyas@technitium.com>
Date: Sun, 10 Jan 2021 16:12:58 +0530
Subject: [PATCH] PrimaryZone: fixed issue when creating primary zone for root
 ".".

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

diff --git a/DnsServerCore/Dns/Zones/PrimaryZone.cs b/DnsServerCore/Dns/Zones/PrimaryZone.cs
index acb003d0..f636de92 100644
--- a/DnsServerCore/Dns/Zones/PrimaryZone.cs
+++ b/DnsServerCore/Dns/Zones/PrimaryZone.cs
@@ -60,7 +60,7 @@ namespace DnsServerCore.Dns.Zones
             _dnsServer = dnsServer;
             _internal = @internal;
 
-            DnsSOARecord soa = new DnsSOARecord(primaryNameServer, "hostadmin." + name, 1, 14400, 3600, 604800, 900);
+            DnsSOARecord soa = new DnsSOARecord(primaryNameServer, _name.Length == 0 ? "hostadmin" : "hostadmin." + _name, 1, 14400, 3600, 604800, 900);
 
             _entries[DnsResourceRecordType.SOA] = new DnsResourceRecord[] { new DnsResourceRecord(_name, DnsResourceRecordType.SOA, DnsClass.IN, soa.Refresh, soa) };
             _entries[DnsResourceRecordType.NS] = new DnsResourceRecord[] { new DnsResourceRecord(_name, DnsResourceRecordType.NS, DnsClass.IN, soa.Refresh, new DnsNSRecord(soa.PrimaryNameServer)) };