recon-subdomain

Installation
SKILL.md

Subdomain Enumeration / DNS Reconnaissance

Authorization Warning

IMPORTANT: Subdomain enumeration without proper authorization may violate terms of service. Always ensure you have:

  • Written permission from the target domain owner
  • Defined scope of authorized testing
  • Legal compliance with local regulations

Prerequisites

Required tools that must be installed on your system:

  • subfinder - go install -v github.com/projectdiscovery/subfinder/v2/cmd/subfinder@latest
  • dnsx - go install -v github.com/projectdiscovery/dnsx/cmd/dnsx@latest

Optional tools:

  • amass - go install -v github.com/owasp-amass/amass/v4/cmd/amass@latest
  • assetfinder - go install github.com/tomnomnom/assetfinder@latest
  • puredns - go install github.com/d3mondev/puredns/v2@latest
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Installs
13
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First Seen
Mar 30, 2026