ManagementClass classInstance = new ManagementClass("root\\MicrosoftDNS", "MicrosoftDNS_Zone", null);
ManagementBaseObject inParams = classInstance.GetMethodParameters("CreateZone");
inParams["ZoneName"] = Host;
inParams["ZoneType"] = 0;
inParams["DsIntegrated"] = false;
inParams["DataFileName"] = Host + ".dns";
ManagementBaseObject outParams = classInstance.InvokeMethod("CreateZone", inParams, null);