Default block lists appear to be: https://github.com/pi-hole/pi-hole/wiki/Customising-sources-for-ad-lists https://github.com/pi-hole/pi-hole/wiki/Customising-s

Default block lists appear to be: https://github.com/pi-hole/pi-hole/wiki/Customising-sources-for-ad-lists https://github.com/pi-hole/pi-hole/wiki/Customising-sources-... The most comprehensive of the lists appears to be https://github.com/StevenBlack/hosts https://github.com/StevenBlack/hosts , which is the same list I use for DNS filtering on my DD-WRT router. Seems to work pretty well.