For the non-technical:
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DNS is an address book that is used every time you visit a website or your computer needs to get some data from somewhere on the internet.
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You can improve your security/life by having the address book simply not have entries for the dodgy websites, advertisers, trackers, so that information never gets to your machine.
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You can use any DNS address book you like, and this is a new public address book that claims to do so.
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The founders of this founded a paid-for address book called nextdns.io and I personally subscribe to this and use it on all my devices to make my life better.
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You don’t have to turn on all the filters - there are separate address books for adults and kids’ versions.
