alt Hacker NewsLook, if this was a project on using DNS to replace Dropbox or something, I'd agree with you.
But the demo version of Doom just isn't that large; Cloudflare will host much larger files than that for free via Cloudflare Pages/Workers. This project is clearly meant as a fun proof of concept, not some novel way to host 3 MB for free.
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israrkhan • today at 1:49 AM
it can be used as a novel way to host files.
Airplanes and many other captive portals will allow DNS traffic, but restrict everything else. Such things can be used to get free internet in such environments. It is indeed an abuse of protocol, and future protocols are going to make life difficult for everyone to prevent such abuse.
I’ve heard rumors that DNS records are also sometimes used in some steganography-type communications. Great way of passing small messages in a ubiquitous and innocuous system, unlikely to be blocked or raise eyebrows by accessing.