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Quien – A better WHOIS lookup tool

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Why This Matters

Quien introduces an advanced, user-friendly WHOIS lookup tool that integrates RDAP-first queries, comprehensive DNS and SSL/TLS information, and tech stack detection, streamlining domain and IP investigations for professionals and consumers alike. Its interactive TUI and scripting capabilities make it a versatile addition to the tech industry's toolkit, enhancing domain management and security analysis.

Key Takeaways

quien

A better WHOIS lookup tool. Interactive TUI with tabbed views for WHOIS, DNS, mail, SSL/TLS, HTTP headers, and tech stack detection.

Install

brew tap retlehs/tap brew install retlehs/tap/quien

Or with Go:

go install github.com/retlehs/quien@latest

Usage

# Interactive prompt quien # Domain lookup (interactive TUI) quien example.com # IP address lookup quien 8.8.8.8 # JSON output quien --json example.com

Features

RDAP-first lookups with WHOIS fallback for broad TLD coverage

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