Installation

Linux

curl -sSL https://install.pi-hole.net | bash

Resolvers

Non-ECS

Settings → DNS

DNS.WATCH (DNSSEC)
Quad9 (filtered, DNSSEC)
Cloudflare (DNSSEC)

DNS Over HTTPS (DoH)

Summary:

Install cloudflared
Configure cloudflared to run on startup
Configure Pi-hole to use the service
Configure automatic updates for cloudflared

Refer Pi-hole - cloudflared

Adlists

GitHub - blocklistproject/Lists

Tester

https://adblock-tester.com/

Uninstall

pihole uninstall

Appendix