quien — Better WHOIS Lookup Tool

Skill by ara.so — Daily 2026 Skills collection.

quien is a Go-based CLI/TUI tool that replaces whois with tabbed interactive views and JSON-scriptable subcommands for domain WHOIS/RDAP, DNS records, mail configuration (SPF, DMARC, DKIM, BIMI), SSL/TLS, HTTP headers, tech stack detection, and IP/ASN/BGP lookups.

Installation

Homebrew (macOS/Linux)

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