dig
nslookup
host


dig ns www.inf.elte.hu
dig axfr filippa.inf.elte.hu


Lightweight Directory Access Protocol

padre.web.elte.hu
    ldapsearch -Y GSSAPI -b dc=inf,dc=elte,dc=hu | head -10000
    ldapsearch -Y GSSAPI -b dc=inf,dc=elte,dc=hu | grep dn: