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Say (an encrypted) hello to a more private internet. | The Mozilla Blog (blog.mozilla.org)

submitted 2 years ago by [email protected] to c/[email protected]

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r/privacy

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[–] [email protected] 5 points 2 years ago (1 children)

I would think that an IP address tells you the domain name by doing a simple DNS lookup.

[–] [email protected] 5 points 2 years ago* (last edited 2 years ago)

In many cases you can, but there's never a guarantee that a given IP address will have reverse DNS records configured for resolve it into. On top of that, if it's a major site it's likely hosted behind a content delivery network that may a share a single IP address across thousands or even millions of completely unrelated servers. Cloudflare does some pretty interesting stuff with that approach: https://blog.cloudflare.com/cloudflare-servers-dont-own-ips-anymore/ edit: bad at typing