Hi eosBuddy, regarding IIS , I donno much how it's configured. But , I guess they are not may be the kind of solution that we are looking for. Regarding Automatic DNS Updates On , It doesn't work properly. And that's the reason why I was searching a script. EosBuddy, the script can be using any thing. I mean perl, php , java script or anything. Ya perl is installed on the OS. Thanks for the help....