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Google, Cloudflare & Cisco Will Poison DNS to Stop Piracy Block Circumvention * TorrentFreak
(torrentfreak.com)
This is a most excellent place for technology news and articles.
Any good lists? Because pihole defaults to the aforementioned servers.
Pretty decent article here
https://avoidthehack.com/best-pihole-blocklists
And there is https://filterlists.com/ which is a searchable index of lists. If you use uBlockOrigin you can add lists directly from fliterlists.com otherwise it provides links to Github etc.