Finding an IP Address Corresponding to a Domain
Answer by Mary Beth Guard, BOL Guru
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QUESTION: If a person knows a domain name, is it possible for them to determine what IP address the server is located at?
ANSWER: Sure is. Even if the standard domain name records don't reveal it, all you have to do is use trace route. If you don't already know how to use that command from a DOS prompt, the easier way to do it is to go to traceroute.org. There, you'll click on a link for any of the pages that allow you to do online trace routes. Type in the domain name of the site you're trying to find an IP address on. Then, watch it go. When it reaches that destination, it will show you that IP address as the final number in the route. It's also interesting from the standpoint of seeing how many hops you have to make for your computer to connect to various Web sites. Type in the address of a site you access regularly and see how many servers your browser request is routed to before the page is served up. When you consider that it usually happens in a matter of seconds, it truly shows how amazing the Internet is.
First published on BankersOnline.com 6/3/02
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