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Weird Internet Behavior Starting Selfhost Server & PC's
(lemmy.world)
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this post was submitted on 07 Feb 2026
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Each different DNS leak test sites (multiple), were different, yet the same IP block. I don't view it as paranoia. When you fire up your VPN, even though you have specified a certain locale, say Mexico, you still get different IPs each time you start your VPN, at least I do.
Example: 4.4.4.5, 4.4.4.6, 4.4.4.15
Same block, different IPs reported.
Yes, that's called Round-Robin Load Balancing.
To get more specific, your DNS provider spins up a large number of DNS resolvers out in the world on a CDN network that resolves clients to the most geographically convenient server(s) at any point in time based on the GeoIP info of your public IP.
Once you resolve one set of addresses at any given time, it caches your request, so the next time you ask these DNS servers for something you'll get a response right back from them as fast as possible.
You constantly checking is just going to show this. It's quite normal.
I'll have to accept a higher knowledge base than mine, but I check this every morning, and for years they have been the same across different leakcheck sites.