Comprehensive information about all top-level domains (TLDs) including generic, country code, and brand-specific domains.
Showing 12 of 2000 TLDs ( 2000 total)
Czechia
The .cz top-level domain is the country-code domain for Czechia, managed by CZ.NIC, z.s.p.o. It is widely used by individuals, businesses, and organizations in the Czech Republic for local web presence, and follows international DNS standards for domain naming.
Open for registration to anyone worldwide, but primarily used by residents and entities connected to Czechia. Domain names must follow RFC standards: only letters, numbers, and hyphens allowed; no leading or trailing hyphens; max 63 characters.
The .cz extension is a country-code top-level domain (ccTLD) in the Domain Name System (DNS). It is managed by CZ.NIC, z.s.p.o.. .cz was introduced in 1993. Registration prices start from USD 9.24.
Price range based on 1 registrar. Actual prices may vary.
Compare .cz domain registration and renewal prices across 1 registrar. Prices are in USD and updated daily.
| Registrar | Registration | Renewal | Transfer |
|---|---|---|---|
| dynadot | $9.24 | $9.24 | $0.33 |
Prices checked April 11, 2026. Prices exclude ICANN fees where applicable and may vary by registrar promotions or contract terms.
The .cz domain was officially delegated on January 13, 1993, making it one of the earliest ccTLDs established after the initial set of TLDs. It has been managed continuously by CZ.NIC, z.s.p.o., a non-profit organization based in Prague, since its inception. The registry has maintained strong technical reliability and adoption within Czechia’s digital infrastructure.
The .cz TLD serves a specific purpose in the domain ecosystem, providing users with clear context about the websites using this extension.
The .cz TLD is commonly used for the following purposes:
Domain names must comply with RFC 1034, 1035, 1122, and 1123. Only alphanumeric characters and hyphens allowed; no special characters or spaces. Min 1, max 63 characters. No registration restrictions based on location.
The .cz TLD is available for registration through accredited domain registrars.
How does .cz compare to similar top-level domains? This comparison covers pricing, type, and availability to help choose the right domain extension.
View the full TLD Directory to browse all 1,900+ top-level domains with pricing, registration density analysis, and DNSSEC adoption rates.
DNSChkr maintains a comprehensive TLD directory covering all 1,900+ active top-level domains. The data on this page combines multiple authoritative sources to provide information not found in standard TLD listings.
Domain registration counts and density analysis are computed daily from TLD zone files, providing accurate registration statistics rather than estimates.
DNSSEC deployment percentages are measured by scanning actual DNS records across all registered domains in each TLD zone.
Registration, renewal, and transfer prices are checked hourly across multiple accredited registrars and compared automatically.
DNS provider distribution is calculated from nameserver records, showing which hosting providers serve the most domains in each TLD.
Use DNSChkr tools to inspect any .cz domain: run a full DNS health check, check DNS propagation, look up WHOIS records, or verify email authentication.
Disclaimer: The information on this page is sourced from IANA, ICANN, and respective registry operator publications, then structured and formatted with the assistance of AI. While accuracy is a priority, details such as pricing, registration requirements, and policies may change. Always verify with the official registry or an accredited registrar before making registration decisions.