http://whois.domaintools.com/ You can find some great information about someone's site. I tried it with my own site and then with Squidoo's site too. It is worth searching for your site and others you might want to advertise or join.
Here is mine: http://whois.domaintools.com/teddiscorner.com
Here is Squidoo's: http://whois.domaintools.com/squidoo.com
Have fun with this one!