How do you find the hosting server of a website if you have the Registrar name?

Question

I didn't set this website up, and at the same time, my client cant seem to remember the hosting server he used. I was able to find the registrar in which the domain name was registered, but no information about where the website is being accessed from. Sure I could rout the DNS to the new hosting company, but then he'd be paying hosting across two servers! How do I find the hosting company of this domain name?

Answer 1

http://dnsstuff.com/

You can find lots of info abt adresses there....

Answer 2

Who Is Hosting This:

http://www.whoishostingthis.com/