This topic will support the deployment of a recursive European DNS resolver service infrastructure (hereafter DNS4EU) serving socio-economic drivers, public, corporate and residential internet end-users in the EU, and offering very high reliability and protection against global cybersecurity threats and those specific to the EU (e.g. phishing in EU languages). This is a key policy action announced in the 2020 "Joint Communication: The EU's Cybersecurity Strategy for the Digital Decade". Such a critical service infrastructure is currently not available at European level with the level of performance, resilience, security and privacy envisaged, and the market w