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%