I read a bit about using a different DNS for Privacy and I think the best one should be quad9? Or is there anything better except self hosting a DNS?
I read a bit about using a different DNS for Privacy and I think the best one should be quad9? Or is there anything better except self hosting a DNS?
The one from your ISP. Your ISP can see your traffic anyway, so you gain nothing by using a third-party DNS server.
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Okay, maybe I got the question wrong. If you care about content blocking, then you are right (though I’d prefer self-hosted resolvers like pi-hole or AdGuard Home over third party resolvers).
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If you use the same or similar blocklist it does not provide additional protection though.
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As far as I read (I’m no expert!) they could check the SNI of the TLS handshake if they want. But using the DNS of the ISP is handing them the data right in a way they can analyze/use them very easily afaik?
Still learning about this topic!
They route your traffic, hence they can see all IP addresses you communicate with. With a reverse lookup you can then usually find out the address too.
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The header of a Http request always contains the domain unencrypted because it’s possible to host many different websites on the same IP. So this information is needed before the encrypted tunnel is built up.
HA! My ISP injects ads into search results with their DNS. No thanks!
My 50 cents: Nowadays most traffic is encrypted and your ISP can only see what server you are talking to, but not which domain. The domain although can be figured out with a reverse DNS lookup. So unless more then one domain is hosted on a given up, your ISP could also know the domain.
Even if you use DOH for upstream servers?
In the end it comes down to what your goals is. DOH indeed hides DNS queries from sniffers and your ISP, but the traffic between you and your destination is still visible for the ISP (unless you use a VPN or TOR).
If you only care about the content blocking aspect a third party resolver may make sense as @[email protected] explained below.
Yes, my question was just referred to DNS queries. Thank you for your reply.
glowing hard
Mt ISP can’t see my traffic or my DNS lookups lol
Congrats but then you are using more than just another DNS resolver/different DNS technology.
Yes, if you want privacy then you need a good VPN provider