Chaitanya Bajpai
Fullstack web and blockchain developer, crafting secure apps
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Rebuilt DNS resolution in Rust, no DNS libraries.
Features:
• Iterative delegation traversal
• Wire-format packet encoding/decoding
• Name compression handling
• EDNS0 support
• TTL-aware caching
• NXDOMAIN/SERVFAIL handling
• Cold vs warm cache benchmarks
Blog:
medium.com
Building a DNS Resolver from Scratch in Rust
A Deep Dive into Iterative Resolution, Wire Formats, Caching, and Concurrency