We pick a.root-servers.net, one of the 13 root servers (1), and ask it about dieterroemhild.yahoo.de and learn that de is delegated to six name servers (2), so we ask z.nic.de where we learn that yahoo.de is delegated to four name servers, including ns1.yahoo.com (3), so we ask that one where we see a CNAME from dieterroemhild.yahoo.de 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:
