Locus

A zero-allocation, fully iterative DNS resolver built from scratch.

Features

• Zero-Allocation Parsing: Avoids heap allocations and object slicing. Protocol parsing relies entirely on strict byte offset tracking, pointer math, and borrowing.
• Custom Binary Protocol: No external DNS libraries. Implements the raw RFC 1035 UDP packet specifications.

Build

Requirements:

• CMake
• Ninja (or gnumake)

Nix users:

$ nix develop

Build

mkdir build
cd build

cmake -G Ninja ..
ninja

Usage

Locus takes a single domain target and prints the every hops across servers

$ ./locus --domain wikipedia.org