MassDNS

High-speed DNS bulk resolver — resolve millions of subdomains per minute.

Quick Start

git clone https://github.com/blechschmidt/massdns
cd massdns && make

# Resolve subdomain list
./bin/massdns -r resolvers.txt -t A subdomains.txt -o S -w resolved.txt

# Built-in resolver list
./bin/massdns -r lists/resolvers.txt -t A subdomains.txt -o S > resolved.txt

Core Flags