I have a new network tool to help with the WHOIS info. It can be found at http://pgardner.net/whois/
You can do Reverse DNS lookups, WHOIS on Domain or IP, check ports , ping hosts or do a traceroute. At the moment it's free for all to use, unless the resouces get bogged down, there is no authentication required.
I only ask one thing. That as you browse ANY of my pages that you see the google ads, please click on them. You do NOT need to buy them, (Unless of course you want to), but clicking on them helps create revenue for this site so that I can keep it running.
Thanks.