We pick m.root-servers.net, one of the 13 root servers (1), and ask it about morpheuswww.baixaki.com.br and learn that br is delegated to six name servers (2), so we ask f.dns.br where we learn that baixaki.com.br is delegated to six name servers, including pdns72.ultradns.biz (3), so we ask that one where we see a CNAME from morpheuswww.baixaki.com.br to baixaqui.com.br, so we have to start all over again. We already know that e.dns.br is authoritative for br (4) and ask it about baixaqui.com.br and learn that baixaqui.com.br is delegated to six name servers (5), so we ask pdns5.ultradns.info and get the following answer: