.cu ccTLD
Cuba
The .cu TLD is the country-code top-level domain for Cuba, managed by CENIAInternet. It is primarily used by Cuban organizations, businesses, and residents, with specific second-level domains for different sectors such as education, government, and commerce. Registration is restricted to entities connected to Cuba.
Registration is restricted to Cuban legal entities, foreign legal entities with a presence in Cuba, and natural persons residing in Cuba. Second-level domains have specific eligibility rules based on entity type.
.cu Domain Overview
The .cu extension is a country-code top-level domain (ccTLD) in the Domain Name System (DNS). It is managed by CENIAInternet. .cu was introduced in 1992.
Registration Info
Registration pricing for .cu is not publicly listed. Contact an ICANN-accredited registrar for availability and pricing.
Security Features
- DNSSEC
What Is the History of .cu?
The .cu domain was delegated on June 3, 1992, and is managed by CENIAInternet, the Cuban Center for Information Network Resources. It was introduced as part of the global expansion of country-code TLDs following ISO 3166-1 standards. The domain serves as the official internet identifier for Cuba and is tightly regulated to reflect national interests and sovereignty.
Did you know?
The .cu TLD serves a specific purpose in the domain ecosystem, providing users with clear context about the websites using this extension.
What Is .cu Used For?
The .cu TLD is commonly used for the following purposes:
Government communications
Educational institutions
Cuban businesses and commerce
Non-profit organizations in Cuba
Personal websites of Cuban residents
Scientific and information portals
Popular Websites
How Do I Register a .cu Domain?
Eligibility
Applicants must be Cuban legal entities, foreign legal entities with operations in Cuba, or Cuban residents. Domain names must not be generic, geographic, or match national terminology, and must either be a registered trademark or uniquely identify the applicant.
Open Registration
The .cu TLD is available for registration through accredited domain registrars.
Registration Process
- Choose an accredited domain registrar that offers .cu domains
- Check domain availability using the registrar's search tool
- Complete the registration process and provide required information
- Pay the registration fee (typically )
- Manage your domain settings through your registrar's control panel
.cu vs Related Domain Extensions
How does .cu 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.
Frequently Asked Questions
How Is This .cu Data Compiled?
DNS Checker 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.
Zone File Analysis
Domain registration counts and density analysis are computed daily from TLD zone files, providing accurate registration statistics rather than estimates.
DNSSEC Adoption Tracking
DNSSEC deployment percentages are measured by scanning actual DNS records across all registered domains in each TLD zone.
Registrar Price Monitoring
Registration, renewal, and transfer prices are checked hourly across multiple accredited registrars and compared automatically.
Provider Market Share
DNS provider distribution is calculated from nameserver records, showing which hosting providers serve the most domains in each TLD.
Use DNS Checker tools to inspect any .cu 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.