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.cz
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Top-level Internet domain for the Czech Republic
.cz DotCZ domain logo.png 13 January 1993 Country code top-level domain Active CZ.NIC CZ.NIC 1,502,253 2025-08-08 2025-08-08 Summary CZ.NIC Statistics https://stats.nic.cz/dashboard/en/Summary.html 2025-08-08 Entities affiliated with the Czech Republic Very popular in the Czech Republic Businesses must provide tax registration number Names can be registered directly at second level Rules
Juridical verdicts Problems nic.cz yes
.cz is the country code top-level domain (ccTLD) for the Czech Republic administered by CZ.NIC.
History
Until Czechoslovakia was dissolved in 1993, it used the domain .cs.
The .cz domain came into effect in January 1993, following the dissolution of Czechoslovakia.Ian Willoughby https://www.radio.cz/en/section/curraffrs/millionth-internet-site-with-czech-cz-domain-name-registered Millionth internet site with Czech .cz domain name registered Radio Prague 21 November 2012 21 January 2014
In 2009, new European Union legislation came into effect, allowing the use of diacritics in second-level domains under the .eu domain only.
Registration
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.Sarah Borufka https://www.radio.cz/en/section/curraffrs/new-eu-regulation-allows-use-of-diacritics-for-certain-web-domains New EU regulation allows use of diacritics for certain web domains Radio Prague 11 December 2009 21 January 2014
Czech customers were among the most interested in the new domains, only Germans bought more, with the French in third.
Over 850,000 internet sites had been registered as .cz by the end of 2011.https://www.nic.cz/files/nic/doc/CZNIC_annual_report_2011.pdf 2011 Annual Report CZ.NIC 21 January 2014
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.http://www.domainpulse.com/2012/11/23/cz-reaches-one-million-active-domains/ .CZ Reaches One Million Active Domains domainpulse.com 23 November 2012 21 January 2014 21 January 2014 https://archive.today/20140121183850/http://www.domainpulse.com/2012/11/23/cz-reaches-one-million-active-domains/ dead
At the end of 2011, CZ.NIC reported that ownership of all domains, 58% were by individuals, whereas those held by organisations accounted for a minority of 42%. Domains were most popular in Prague, followed by Brno and Ostrava.
Requirements
Registrations must be ordered via accredited domain name registrars.
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.Rules of Domain Name Registration Under ccTLD .cz https://www.nic.cz/files/nic/doc/Registration_rules_CZ.pdf 21 January 2014
As of 2013, there are six domains which use the maximum of 63 characters.10 domains with the highest number of characters https://stats.nic.cz/reports/2013/#9 21 January 2014 CZ.NIC
References
External links
IANA .cz whois information
Category:Country code top-level domains
Category:Council of European National Top Level Domain Registries members
Category:Internet properties established in 1993
sv:Toppdomän#C