We pick l.root-servers.net, one of the 13 root servers (1), and ask it about prusyanto.yahoo.com.au and learn that au is delegated to eleven name servers (2), so we ask n.au where we learn that yahoo.com.au is delegated to five name servers, including ns3.yahoo.com (3), so we ask that one where we see a CNAME from prusyanto.yahoo.com.au to au.rc.yahoo.com, so we have to start all over again. We pick m.root-servers.net, one of the 13 root servers (4), and ask it about au.rc.yahoo.com and learn that com is delegated to 13 name servers (5), so we ask c.gtld-servers.net where we learn that yahoo.com is delegated to five name servers, including ns2.yahoo.com (6), so we ask that one and see a second CNAME from au.rc.yahoo.com to rd.au.g1.b.yahoo.com. We start over for the third time and we already know that ns3.yahoo.com is authoritative for yahoo.com (7) and ask it about rd.au.g1.b.yahoo.com and learn that g1.b.yahoo.com is delegated to eight name servers (8), so we ask yf5.yahoo.com and get the following answer:
