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DNS is The Internet's Phone Book
- DNS translates website names into IP addresses, acting like the internet's phone book.
- Your DNS requests reveal all sites you visit to the DNS resolver, posing privacy risks.
ISP DNS Handling is Risky
- ISPs usually handle DNS requests by default and often collect and sell this data.
- Governments also access DNS data for monitoring, censorship, and control, which risks privacy and freedom.
Use Local DNS Resolver Carefully
- Run your own local DNS resolver like Unbound on PFsense to bypass ISP resolvers.
- Note that queries sent directly to authoritative servers remain unencrypted and visible.