this post was submitted on 29 Aug 2026
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Cloudflare frees up 100TB of RAM by shrinking 1.1.1.1's DNS cache entries — 250 billion cached DNS entries at any given time means one wasted byte costs 250GB (www.tomshardware.com)
submitted 1 day ago by Gsus4@mander.xyz to c/technology@lemmy.world
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[–] Illecors@lemmy.cafe 18 points 16 hours ago* (last edited 16 hours ago)

Bit of a nitpick, but these providers are not running root servers. They're just recursive caching servers, probably running unbound.

If you want to find out root servers - dig for . - that's a dot. A full stop. That's the root. Those can then answer where to find your .coms, .nets, etc. Those, in turn, handle the domain you rent; so on and so forth.