wget -O basic-install.sh https://install.pi-hole.net
sudo bash basic-install.sh
pihole -up

https://pi-hole.net/

Unbound
https://docs.pi-hole.net/guides/dns/unbound/

Ziggo ConnectBox & DNS
https://community.ziggo.nl/t5/Internet/Toch-Alternatieve-DNS-met-je-Connect-Box-en-tegelijk/td-p/55876