.cz is the country code top-level domain (ccTLD) for the Czech Republic. It is administered by CZ.NIC. Registrations must be ordered via accredited domain name registrars. Before the split in 1993, former Czechoslovakia used domain .cs. The maximum domain name length permitted is 63 characters, which may only be alphanumeric or the hyphen (-). Hyphens are restricted in that they may not be the first or last character, neither may they appear consecutively.[2] As of 2013, there are six domains which use the maximum of 63 characters.[3]

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