908d076d9b
- Open with shared reqwest pain, not the tool name - Switch "we" to "I" for personal voice (playbook: solo dev > corporate) - Replace Unbound feature-gap excuses with what I'm exploring next (persistent SRTT, aggressive NSEC, adaptive hedge delays) - Add context line linking hero cards to the recursive section
209 lines
5.4 KiB
HTML
209 lines
5.4 KiB
HTML
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<html lang="en">
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<head>
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</head>
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<body>
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<nav class="blog-nav">
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<a href="/" class="wordmark">Numa</a>
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<span class="sep">/</span>
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<a href="/blog/">Blog</a>
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</nav>
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<main class="blog-index">
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<h1>Blog</h1>
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<ul class="post-list">
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<li>
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<a href="/blog/posts/fixing-doh-tail-latency.html">
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<div class="post-title">Fixing DNS tail latency with a 5-line config and a 50-line function</div>
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<div class="post-desc">Periodic 40-140ms DoH spikes from hyper's dispatch channel. The fix was reqwest window tuning and request hedging — Dean & Barroso's "The Tail at Scale," applied to a DNS forwarder. Same ideas took cold recursive p99 from 2.3 seconds to 538ms.</div>
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<div class="post-date">April 2026</div>
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</a>
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</li>
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<li>
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<a href="/blog/posts/dot-from-scratch.html">
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<div class="post-title">DNS-over-TLS from Scratch in Rust</div>
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<div class="post-desc">Building RFC 7858 on top of rustls — length-prefix framing, ALPN cross-protocol defense, and two bugs that only the strict clients caught.</div>
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<div class="post-date">April 2026</div>
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</a>
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</li>
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<li>
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<a href="/blog/posts/dnssec-from-scratch.html">
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<div class="post-title">Implementing DNSSEC from Scratch in Rust</div>
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<div class="post-desc">Recursive resolution from root hints, chain-of-trust validation, NSEC/NSEC3 denial proofs, and what I learned implementing DNSSEC with zero DNS libraries.</div>
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<div class="post-date">March 2026</div>
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</a>
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</li>
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<li>
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<a href="/blog/posts/dns-from-scratch.html">
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<div class="post-title">I Built a DNS Resolver from Scratch in Rust</div>
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<div class="post-desc">How DNS actually works at the wire level — label compression, TTL tricks, DoH, and what surprised me building a resolver with zero DNS libraries.</div>
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<div class="post-date">March 2026</div>
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</a>
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</li>
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</ul>
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</main>
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<footer class="blog-footer">
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<a href="https://github.com/razvandimescu/numa">GitHub</a>
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<a href="/">Home</a>
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</footer>
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</body>
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</html>
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