this post was submitted on 09 Mar 2025
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Nothing would stop you from running a DNS server on Mars and handling requests locally.
The problem isn't the DNS requests. It's the data synchronization that would have to occur if you were accessing a service hosted on Earth.
It's called caching and it's been mostly solved for decades (except invalidation).
There are many places on Earth where DNS servers have high latency, low bandwidth, and intermittent connectivity, yet still function fine. It’s already a solved problem.