We pick f.root-servers.net, one of the 13 root servers (1), and ask it about abbypan.googlecode.com and learn that com is delegated to 13 name servers (2), so we ask f.gtld-servers.net where we learn that googlecode.com is delegated to four name servers, including ns3.google.com (3), so we ask that one where we see a CNAME from abbypan.googlecode.com to googlecode.l.googleusercontent.com, so we have to start all over again. We already know that d.gtld-servers.net is authoritative for com (4) and ask it about googlecode.l.googleusercontent.com and learn that googleusercontent.com is delegated to four name servers (5), so we ask ns1.google.com and get the following answer:
