Ever wondered how an url like stanford.edu translates all the way into a series of numbers? 

With this helpful lookup tool, all domain names can be resolved into a series of bytes at ease. 

The application first queries the root DNS and navigates the returned hierarchy. It does so recursively until it hits an answer section containing the IP Address. 
If the answer section contains a CNAME as a type, it re-queries the CNAME, once again navigating the hierarchy recursively until it finds an IP Address. 

* The PDF is multiple pages, navigate to the other pages using the arrow keys at the bottom of the PDF. 

 

lookup www