A simple service monitor. It monitors the status of services running on multiple servers, and graphically displays them on the web. It also emails notifications of a server being down to any specified email address. ** UPDATE **. Due to requests from people added the ability to use SMTP and SMTP Auth. Once a server comes back up, you will be notified as well.

PHP Network Utilities includes a PHP Whois function that uses PHP sockets to query various Whois servers. There are also two other functions. i.e. A host lookup by host name, which should return the IP address and a host lookup by IP address, which should return the host name.

Looking Glass is a pretty extensive web based network querying tool for use on php enabled servers. It uses unix commands for actual query. Scripts should run out of the box. Uses your everyday server unix commands. Looking Glass currently supports traceroute, tcptraceroute, ping, whois (all toplevels!), host, A record, MX record, NS records, and more.

Network Query Tool (NQT) is an one-stop solution for getting information about a domain or IP address. Instead of manually using different unix commands or visiting numerous websites to "investigate" a host, just load Network Query Tool and enter the hostname or IP.NQT will do the following: reverse lookup, DNS query (dig), whois (domain owner), whois (IP owner), check port, ping, and traceroute.

Tellme is a PHP script that retrieves assorted details regarding a domain name or IP address. Tellme is used to discern what a computer is running, and also to help track down servers. It combines together into one place traceroute tools, head requests, server examination, and whois lookups.

This is a PHP script that includes several net tools such as whois, finger, and traceroute.