CZ.NIC logo
  • Domains
    • For users
      • About domains and DNSBasic information about how domains and the DNS system work
      • How to register a domainA practical step-by-step guide to registering a domain
      • List of registrarsOverview of accredited registrars and their certifications
      • Advantages of .CZ domainInformation about the benefits of owning a domain with the CZ extension
      • Domain AuctionsA service for the fair sale of released and expired domains to the general public
    • For holders
      • RequestsForms for managing domains, contacts, and other objects in the Central Registry
      • IDNUse of diacritics in domain name
      • Rules and policiesOfficial registration rules and policies for .cz domains
      • About DNSSECHow domain security works
      • Domain BrowserUsed to display and edit data from the .CZ Domain registry
    • For registrars
      • How to become a registrar?Procedure and requirements for obtaining the status of a .cz domain registrar
      • Registration system (FRED)Open-source domain registry management system
      • Certification (conditions)Requirements and certification process for .cz domain registrars
      • Price listCurrent prices and fees for services related to .cz domains
      • InfrastructureNetwork Infrastructure Overview
    • Tools
      • WHOISSearching for information about domain names and contacts
      • ODVROpen DNSSEC Validating Resolvers
      • Zone MasterA tool for complete control and analysis of your domain status
      • StatsOverview of current statistics and analyses
  • Other projects and services
    • Business solutions
      • OverviewFull overwiev of our Solutions for Businesses
      • FREDOpen source software for complete domain registry management
      • Knot DNSA powerful and easily configurable authoritative DNS server with integrated DNSSEC signing
      • DNS anycastA global anycast network for faster and more secure DNS operation
      • Knot ResolverA powerful and modular recursive DNS resolver with a flexible architecture
      • DNS PatrolA security system that monitors DNS traffic in real time
      • VIP domainPremium service for security and high DNS availability with protection against DoS attacks
      • BIRDA powerful open-source routing daemon for efficient network traffic management
      • TurrisSecure open-source routers with automatic updates and advanced network protection
      • Deny listsSecurity tool for protection against phishing, malware, and fraud
      • Web ScannerService for detecting web application vulnerabilities using automated scans and manual tests
      • Penetration testsSimulation of real attacks to detect and eliminate security vulnerabilities
      • MojeIDVerified online identity for secure login to digital services
    • Projects and services
      • For end usersOverview of services for domains, security and digital identity
      • For professionalsOpen source projects, DNS infrastructure and tools for network operation and management
      • Grant projectsProjects for the development of the Internet and digital society
      • Education for publicAwareness and education in the field of internet, security and digital skills
      • ConferencesAn overview of the main conferences the association supports each year.
  • About CZ.NIC
    • About CZ.NIC
      • The Association and Its Governing BodiesOverview of activities and operations of the CZ.NIC association
      • Important documentsLegal documents, annual reports, and meeting minutes available for download
      • ManagementIntroduction of CZ.NIC management members
      • MembershipConditions and benefits of membership in the CZ.NIC association
    • News
      • NewsOverview of news, announcements, and press releases
      • Event calendarCZ.NIC at Upcoming Conferences and Events
      • BlogBlog of CZ.NIC employees
      • NewsletterYou can learn about new services and other news in nic-news mailing list
    • Contact
      • Contact informationPhone, email, mailing address, and billing information
      • For mediaLinks to social networks, contact details for the PR department, and media appearances
      • CareerOpen Positions and Collaboration Opportunities at CZ.NIC
  • Support
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Back
  • For users
  • For holders
  • For registrars
  • Tools
  • About domains and DNSBasic information about how domains and the DNS system work
  • How to register a domainA practical step-by-step guide to registering a domain
  • List of registrarsOverview of accredited registrars and their certifications
  • Advantages of .CZ domainInformation about the benefits of owning a domain with the CZ extension
  • Domain AuctionsA service for the fair sale of released and expired domains to the general public
  • RequestsForms for managing domains, contacts, and other objects in the Central Registry
  • IDNUse of diacritics in domain name
  • Rules and policiesOfficial registration rules and policies for .cz domains
  • About DNSSECHow domain security works
  • Domain BrowserUsed to display and edit data from the .CZ Domain registry
  • How to become a registrar?Procedure and requirements for obtaining the status of a .cz domain registrar
  • Registration system (FRED)Open-source domain registry management system
  • Certification (conditions)Requirements and certification process for .cz domain registrars
  • Price listCurrent prices and fees for services related to .cz domains
  • InfrastructureNetwork Infrastructure Overview
  • WHOISSearching for information about domain names and contacts
  • ODVROpen DNSSEC Validating Resolvers
  • Zone MasterA tool for complete control and analysis of your domain status
  • StatsOverview of current statistics and analyses
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Domains

WHOIS About domains and DNS Advantages of .CZ domain Rules and policies List of Registrars How to become a registrar?

Other projects and services

For end users For professionals Grant projects Education for public Conferences Business solutions

About us

About CZ.NIC For media Career Contact

Helpdesk 24/7

Phone:

+420 222 745 111

Mobile:

+420 731 657 660

E-mail:

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CZ.NIC is an association of legal entities registered in the Association Register maintained by the Municipal Court in Prague, file number L 58624.