quien

The premium Open Source alternative to DomainTools

🎯 Best for:Technical users performing bulk domain intelligence and network reconnaissance.

What is quien?

Replaces commercial domain intelligence toolkits with a high-performance WHOIS and DNS lookup engine. Built for speed and recursive domain data retrieval without the rate-limit overhead of standard CLI tools.

Tech Stack
GoOS & Utilities

Why quien?

  • High-performance Go architecture
  • Better WHOIS parsing
  • Lightweight CLI footprint

Limitations

  • CLI only interface
  • No historical database
  • Requires network knowledge
6/23/2026
Last Update
28
Forks
3
Issues
MIT
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to quien instantly boosts your runway.

Competitor Cost
-$1,440
/ year (est. based on DomainTools)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

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