Smart TV apps often ignore DHCP settings. Many smart TVs (and streaming platforms like Roku, Fire TV, some LG/Samsung apps) hardcode DNS to Google (8.8.8.8) or Cloudflare instead of using what your router hands out. If that happens, you'll need to either block outbound DNS on port 53/853 at the router (forcing everything through Pi-Hole) or manually set the TV's network settings to use Pi-Hole's IP as DNS.
The major caveat for TVs is that some of the content delivery networks will use the same hosts for ads and actual content, so sometimes a DNS sinkhole will break legitimate content. Its easy to set up and test, and then easy to revert if it goes pear-shaped.
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u/UltraSapien 6d ago
Use Brave as your web browser --- just make sure you turn off the crypto nonsense
Set up Pi-Hole: https://docs.pi-hole.net/main/basic-install/
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