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DNSSEC does not help in the privacy regards. It does not prevent ISP from seeing what domain name you lookup. Running your own DNS server is relative simple: there is a bind/named docker image. However with DPI; it's still subject to snoop.

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that's why you use dnscrypt-proxy

Right; but in the article the author mentioned using DNSSEC as a way to gain privacy. Just want to point that out.

Correct. I recommended the use of DNSCrypt first specifically for this reason.

DNSSEC alone primarily helps prevent DNS spoofing, phishing, and MITM attacks. All useful, but DNSCrypt gives you encrypted DNS queries. Maybe I should have clarified this more.

DNSSEC doesn't prevent DNS spoofing attacks, at least not the kind that occur in the real world. DNSSEC is a server-to-server protocol. From client to server (like with the requests from your browser to your ISP's DNS server, or to Google's DNS server, or whatever you use), there is no cryptography whatsoever protecting the requests. Just a single bit in the header, saying that someone else did the cryptography for you.

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