CZ.NIC is the association which operates the domain name registry for the .cz domain, as well as the CZ top-level domain and public education in the area of domain names. Other key activities include the development of DNSSEC technology and mojeID service, extension and improvements of the domain administration system and support of new technologies and projects beneficial to the Internet infrastructure in the Czech Republic. 

DK Hostmaster is the DK Hostmaster is the administrator of the Danish internet space and has been administering the .dk domain since 1999. They focus on providing a strong digital infrastructure, making the .dk domain a safe and secure place to be.

The Estonian Internet Foundation handles the management of Estonia’s top-level domain .ee and represents the internet community in Estonia.

SIDN manages the registration of .nl domain names. They also share their knowledge, support initiatives that contribute to building a better internet and develop new e-identity and online security services.

CENTR is the association of European country code top-level domain (ccTLD) registries, such as .de for Germany or .si for Slovenia. Its objectives are to promote and participate in the development of high standard of Internet Country Code Top-Level Domain Registries (ccTLDs) for the benefit of its members and the Internet.

Signicat is one of the Netherlands’ leading suppliers of secure log-in solutions. Signicat has long-term experience with eIDAS and has connected almost 100 Dutch municipalities to the Dutch eIDAS infrastructure.