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cheatsheet-tldr/tldr/subfinder
2025-10-17 00:19:47 +00:00

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---
syntax: markdown
tags: [tldr, common]
source: https://github.com/tldr-pages/tldr.git
---
# subfinder
> Discover valid subdomains for websites.
> Designed as a passive framework to be useful for bug bounties and safe for penetration testing.
> More information: <https://docs.projectdiscovery.io/opensource/subfinder/usage>.
- Find subdomains for a specific domain:
`subfinder {{[-d|-domain]}} {{example.com}}`
- Show only the subdomains found:
`subfinder -silent {{[-d|-domain]}} {{example.com}}`
- Show only active subdomains:
`subfinder {{[-nW|-active]}} {{[-d|-domain]}} {{example.com}}`
- Use all sources for enumeration:
`subfinder -all {{[-d|-domain]}} {{example.com}}`
- Use a given comma-separated list of [r]esolvers:
`subfinder -r {{8.8.8.8,1.1.1.1,...}} {{[-d|-domain]}} {{example.com}}`