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A comment on Ask HN: How did internet discover my subdomain?. Parent comment

Re:Ask HN: How did internet discover my subdomain? by DonHopkins on Friday March 07, 2025 @10:18AM (#43290839)
I love how the ARPANET still lives on through reverse DNS PTRs.

https://www.youtube.com/watch?v=V78GUSOS-EM

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