We pick d.root-servers.net, one of the 13 root servers (1), and ask it about bibliojuridica.org and learn that org is delegated to six name servers (2), so we ask b0.org.afilias-nst.org where we learn that bibliojuridica.org is delegated to two name servers, including ijpc14.juridicas.unam.mx (3), so we ask that one and get the following answer: