.cz is the
country code top-level domain
A country code top-level domain (ccTLD) is an Internet top-level domain generally used or reserved for a country, sovereign state, or dependent territory identified with a country code. All ASCII ccTLD identifiers are two letters long, and al ...
(ccTLD) for the
Czech Republic
The Czech Republic, or simply Czechia, is a landlocked country in Central Europe. Historically known as Bohemia, it is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the southeast. The ...
. It is administered by
CZ.NIC. Registrations must be ordered via accredited
domain name registrar
A domain name registrar is a company that manages the reservation of Internet domain names. A domain name registrar must be accredited by a generic top-level domain (gTLD) registry or a country code top-level domain (ccTLD) registry. A regi ...
s.
Until
Czechoslovakia
, rue, Чеськословеньско, , yi, טשעכאסלאוואקיי,
, common_name = Czechoslovakia
, life_span = 1918–19391945–1992
, p1 = Austria-Hungary
, image_p1 ...
was
dissolved in 1993, it used the 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.
As of 2013, there are six domains which use the maximum of 63 characters.
History
The .cz domain came into effect in January 1993, following the
dissolution of Czechoslovakia
The dissolution of Czechoslovakia ( cs, Rozdělení Československa, sk, Rozdelenie Česko-Slovenska) took effect on December 31, 1992, and was the self-determined split of the federal republic of Czechoslovakia into the independent countries ...
.
In 2009, new European Union legislation came into effect, allowing the use of
diacritic
A diacritic (also diacritical mark, diacritical point, diacritical sign, or accent) is a glyph added to a letter or to a basic glyph. The term derives from the Ancient Greek (, "distinguishing"), from (, "to distinguish"). The word ''diacriti ...
s in
second-level domain
In the Domain Name System (DNS) hierarchy, a second-level domain (SLD or 2LD) is a domain that is directly below a top-level domain (TLD). For example, in , is the second-level domain of the TLD.
Second-level domains commonly refer to the organ ...
s under the .eu domain only. Czech customers were among the most interested in the new domains, only Germans bought more, with the French in third. The .cz domain, operated by the
CZ.NIC association, continued to only offer standard characters, citing insufficient demand and lower accessibility from abroad as reasons behind their decision.
Over 850,000 internet sites had been registered as .cz by the end of 2011.
In 2012, the number exceeded one million.
[ The Czech Republic was therefore the 12th European Union member state with a top-level domain to top a million active domain names.][ Domains were most popular in ]Prague
Prague ( ; cs, Praha ; german: Prag, ; la, Praga) is the capital and largest city in the Czech Republic, and the historical capital of Bohemia. On the Vltava river, Prague is home to about 1.3 million people. The city has a temperat ...
, followed by Brno
Brno ( , ; german: Brünn ) is a city in the South Moravian Region of the Czech Republic. Located at the confluence of the Svitava and Svratka rivers, Brno has about 380,000 inhabitants, making it the second-largest city in the Czech Republic ...
and Ostrava
Ostrava (; pl, Ostrawa; german: Ostrau ) is a city in the north-east of the Czech Republic, and the capital of the Moravian-Silesian Region. It has about 280,000 inhabitants. It lies from the border with Poland, at the confluences of four riv ...
.[
]
References
External links
IANA .cz whois information
{{DEFAULTSORT:Cz
Country code top-level domains
Council of European National Top Level Domain Registries members
Computer-related introductions in 1993
sv:Toppdomän#C