diff --git a/Apps/NxDomainApp/App.cs b/Apps/NxDomainApp/App.cs
index 77a5a919..9e5d485e 100644
--- a/Apps/NxDomainApp/App.cs
+++ b/Apps/NxDomainApp/App.cs
@@ -90,7 +90,7 @@ namespace NxDomain
 
         public Task InitializeAsync(IDnsServer dnsServer, string config)
         {
-            _soaRecord = new DnsSOARecordData(dnsServer.ServerDomain, "hostadmin@" + dnsServer.ServerDomain, 1, 14400, 3600, 604800, 60);
+            _soaRecord = new DnsSOARecordData(dnsServer.ServerDomain, dnsServer.ResponsiblePerson.Address, 1, 14400, 3600, 604800, 60);
 
             using JsonDocument jsonDocument = JsonDocument.Parse(config);
             JsonElement jsonConfig = jsonDocument.RootElement;