SiTEster (Site TEster) is a tool that keeps an eye on your sites``or servers to see if they are accessible on the net - ALL the time.``It allows a system administrator to probe any TCP port to make``sure that critical services such as the Domain Name Service (DNS),``Mail servers, and Web servers are responding.``The result is a powerful tool for Network administrators and Power``Users alike, enabling them to manage their Internet connections with``tracing and monitoring features. With
