We pick f.root-servers.net, one of the 13 root servers (1), and ask it about adil.yahoo.fr and learn that fr is delegated to five name servers (2), so we ask f.ext.nic.fr where we learn that yahoo.fr is delegated to five name servers, including ns3.yahoo.com (3), so we ask that one where we see a CNAME from adil.yahoo.fr to rc.europe.fyeu.b.yahoo.com, so we have to start all over again. We pick d.root-servers.net, one of the 13 root servers (4), and ask it about rc.europe.fyeu.b.yahoo.com and learn that com is delegated to 13 name servers (5), so we ask h.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 learn that fyeu.b.yahoo.com is delegated to two name servers (7), so we ask yf2.yahoo.com and get the following answer:
