Switchbru DNS is a public DNS server that enables the Nintendo Switch to browse the open Internet using its built-in Web browser. How to use? Enter the IP address 45.55.142.122 under your console's manual DNS settings. Only entering the primary DNS is required. Acts as a Web portal too for Nintendo Switch's Internet browser. Hosts HTML5 games and other useful bookmarks for use with the Nintendo Switch. PS5 will be supported in the near future.
https://www.switchbru.com/dns/