Source: https://adguard-dns.io/nl/public-dns.html
Find where DNS settings are located in the router’s admin console. Choose one of the following AdGuard DNS servers and replace the current addresses with the addresses of the chosen server:
Default servers
If you want to block ads and trackers.
IPv4:
94.140.14.14
94.140.15.15
IPv6:
2a10:50c0::ad1:ff
2a10:50c0::ad2:ff
Non-filtering servers
If you don’t want AdGuard DNS to block ads and trackers, or any other DNS requests.
IPv4:
94.140.14.140
94.140.14.141
IPv6:
2a10:50c0::1:ff
2a10:50c0::2:ff
Family protection servers
If you want to block adult content, enable safe search and safe mode options wherever possible, and also block ads and trackers.
IPv4:
94.140.14.15
94.140.15.16
IPv6:
2a10:50c0::bad1:ff
2a10:50c0::bad2:ff