Also check the settings for telementery, AI stuff you are not using, voice stuff you are not using etc. Disable what you don’t need.
And as addition to nextdns, for my LG TV, I see most domains beeing blocked by NextDNS because of the following 3 tracking lists:
- HaGeZi - Multi PRO
- NextDNS their default list
- Lightswitch05 Ads & tracking