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Subfinder

Network Scanning

Fast passive subdomain enumeration tool.

Customize the parameters below to generate your target command. Use the preview box to verify syntax and click the clipboard icon to copy.

Configure Options

Number of threads to use (-t)

Generated Command

bash - CommandsLab
$ subfinder -t 10

Command Breakdown

  • Tool:Subfinder — Fast passive subdomain enumeration tool.
  • Threads:10 — Number of threads to use (-t)

About this tool

Subfinder is a subdomain discovery tool that returns valid subdomains for websites by using passive online sources.

Pro Tip: Focus on understanding the core options first. You can use the generated command directly in your terminal, and view the Command Breakdown above to see what each flag does.