CZ.NIC has been founded in 1998 as neutral operator of ccTLD domain .cz, previously managed by EUNet Czechia (and its successors).
CZ.NIC worked as policy making organisation, while technical operation has been outsourced (by T-Systems Pragonet).
At 2003 CZ.NIC received permission for operation of eNum domain for Czech telephone numbers 0.2.4.e164.arpa.
During the 2006 CZ.NIC decided to insource technical operation of the domain management systems. New systems has been developed till autumn of 2006 and trial operation of Czech eNum is running on this software.