Data verified Jun 2026
ADYour product here. Reach security decision-makers.Launch a campaignmassdns Description
A high-performance DNS stub resolver for bulk lookups and reconnaissance (subdomain enumeration). MassDNS is a powerful tool for DNS reconnaissance and subdomain enumeration. It's designed to be fast, efficient, and easy to use. Features: * Bulk DNS lookups * Subdomain enumeration * Fast and efficient * Easy to use Use cases: * Reconnaissance * Subdomain enumeration * DNS lookups Get started: * Clone the repository: `git clone https://github.com/blechschmidt/massdns.git` * Build the project: `make build` * Run the tool: `./massdns -h` Note: This tool is for educational purposes only. Use responsibly.
massdns FAQ
Common questions about massdns including features, pricing, alternatives, and user reviews.
massdns is A high-performance DNS stub resolver for bulk lookups and reconnaissance (subdomain enumeration). It is a Attack Surface solution designed to help security teams with Reconnaissance, Subdomain Enumeration, Security Tools.
massdns is a free Attack Surface tool. This makes it accessible for organizations of all sizes, from startups to enterprises. Visit https://github.com/blechschmidt/massdns/ for download and installation instructions.
Popular alternatives to massdns include:
1.Cylana EASM - AI-powered EASM platform for digital asset discovery and monitoring. (Commercial)
2.Threat Surface - Attack Surface Management - EASM platform for continuous discovery and risk assessment of external assets. (Commercial)
3.ExposeLens - Domain exposure monitoring tool for leaked creds, subdomains & dark web data. (Commercial)
4.crt.sh - Bash script for subdomain enumeration via crt.sh certificate transparency logs. (Free)
5.Findomain - A domain reconnaissance tool that automates subdomain discovery, port scanning, and monitoring with support for multiple data sources and notification integrations. (Free)
Compare all massdns alternatives at https://cybersectools.com/alternatives/massdns
massdns is for security teams and organizations that need Reconnaissance, Subdomain Enumeration, Security Tools. It's particularly suitable for small to medium-sized teams looking for cost-effective solutions. Other Attack Surface tools can be found at https://cybersectools.com/categories/attack-surface
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