What is Quien WHOIS tool ?

Quien's an interactive CLI for domain/IP lookups — tabs for WHOIS/RDAP, DNS, mail, TLS, HTTP, tech stacks. Brew install or Go. JSON for scripts.

How to install Quien on Mac?

brew tap retlehs/tap && brew install retlehs/tap/quien. Or go install github.com/retlehs/quien@latest. Alias whois=quien in shell.

Does Quien replace traditional whois?

Yes — RDAP-first, retries, tabs, tech detection. Better coverage, no hassle.

📦 Open Source

Quien: The TUI-Powered WHOIS Killer Every Dev Needs Now

ICANN fields 500M+ WHOIS queries yearly, but devs waste hours on prehistoric CLI output. Quien flips the script with a tabbed TUI that exposes DNS, mail, TLS, and even WordPress plugins in seconds.

theAIcatchup Apr 11, 2026 4 min read

Quien terminal UI displaying tabbed WHOIS, DNS, and tech stack data for a domain

⚡ Key Takeaways

Quien modernizes WHOIS with RDAP, tabs, and tech stack detection — install via brew for instant upgrades. 𝕏
JSON subcommands enable scripting; alias it to replace clunky whois forever. 𝕏
Like jq for JSON, Quien structures domain data — poised to dominate OSS recon tools. 𝕏

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theAIcatchup

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#CLI TUI #WHOIS tool #domain lookup #tech stack detection

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Originally reported by Hacker News

⚡ Key Takeaways

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