Skills
.Work. You
Rest

massdns

Community

Resolve millions of subdomains per minute.

Software Engineering#security#reconnaissance#network#dns#resolver#subdomain
AuthorAeonDave
Version1.0.0
Installs0

System Documentation

What problem does it solve?

This Skill addresses the need for rapid and efficient resolution of large lists of subdomains, crucial for security reconnaissance and network mapping.

Core Features & Use Cases

  • High-Performance Resolution: Utilizes multi-threading and optimized DNS lookups to process millions of subdomains per minute.
  • Flexible DNS Types: Supports various DNS record types (A, AAAA, MX, NS, CNAME).
  • Use Case: When performing a bug bounty assessment, you can use this skill to quickly determine which of the thousands of discovered subdomains are active and resolve to IP addresses.

Quick Start

Use the massdns skill to resolve the subdomains listed in 'subdomains.txt' using the resolvers in 'resolvers.txt' and save the output to 'resolved.txt'.

Dependency Matrix

Required Modules

None required

Components

references

💻 Claude Code Installation

Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.

Please help me install this Skill:
Name: massdns
Download link: https://github.com/AeonDave/malskill/archive/main.zip#massdns

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
View Source Repository

Agent Skills Search Helper

Install a tiny helper to your Agent, search and equip skill from 223,000+ vetted skills library on demand.