We pick h.root-servers.net, one of the 13 root servers (1), and ask it about www.registro.unah.edu.hn and learn that hn is delegated to three name servers (2), so we ask pch-anycast.rds.org.hn where we learn that unah.edu.hn is delegated to two name servers, including ns1.unah.edu.hn (3), so we ask that one where we see a CNAME from www.registro.unah.edu.hn to registro.unah.edu.hn, so we have to start all over again. We already know that ns1.unah.edu.hn is authoritative for unah.edu.hn (4) and ask it about registro.unah.edu.hn and get the following answer: