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A comment on Show HN: I built a DNS resolver from scratch in Rust – no DNS libraries. Parent comment

Re:Show HN: I built a DNS resolver from scratch in Rust – no... by rdme on Thursday April 02, 2026 @10:23AM (#47614925)
Actually, if you point a container's DNS at the host (dns: [host.docker.internal] in compose), it works for resolution + ad blocking for the reverse however, I've added it on the radar, thanks!
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Re:Show HN: I built a DNS resolver from scratch in Rust – no... by Kaliboy on Thursday April 02, 2026 @11:03AM (#47615432)
How does auto-TLS work? It makes a self signed certificate automatically?
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Re:Show HN: I built a DNS resolver from scratch in Rust – no... by rdme on Thursday April 02, 2026 @11:05AM (#47615458)
Yes — numa install generates a local CA and stores it in the system trust store. When you register a .numa service, it generates a per-service TLS cert signed by that CA
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