The public DNS resolver must be manually configured either at the system level (for DNS-over-TLS) or at the browser level (for DNS-over-HTTPS) according to the following information:

– Server name: dnspub.restena.lu
– IPv4 address: 158.64.1.29
– IPv6 address: 2001:a18:1::29
– Port (DNS-over-TLS): 853