Agent skill · data analytics · aradotso
quien-whois-lookup
Use quien for interactive TUI and CLI/JSON domain, IP, DNS, mail, SSL/TLS, and tech stack lookups
Why this skill is useful
Provides domain-specific commands and JSON outputs for WHOIS, DNS, mail configuration, and tech stack detection that the AI wouldn't reliably generate on its own.
What it needs
Requires quien installed locally. About 5k tokens when loaded. Last updated 2026-07-09. 70 stars on the source repository.
What this skill does
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) Ubuntu / Debian Go Verify installation Optional — replace system whois: --- Core CLI Commands Interactive TUI (default) JSON output (scriptable) --- TUI Tab Overview Tab Data shown --- --- WHOIS RDAP-first registration data, registrar, dates, nameservers DNS A, AAAA, MX, TXT, NS, CNAME, SOA records Mail MX, SPF, DMARC, DKIM, BIMI + VMC chain validation TLS Certificate chain, validity, SANs, cipher info HTTP Response headers, redirects, status codes Stack WordPress plugins, JS/CSS frameworks, external services IP Reverse DNS, network info, abuse contacts, ASN via RDAP/BGP --- JSON Subcommand Examples DNS records Mail configuration audit TLS/SSL inspection HTTP headers Tech stack detection IP address lookup All data at once --- Scripting Patterns Pipe JSON into jq Shell script: bulk domain audit Shell script: check domain expiry Go integration — run quien as subprocess Go integration — full audit struct --- Agent Skill Integration Install quien as an agent skill so AI coding agents automatically use it for domain/IP lookups: --- Key Behaviors to Know RDAP-first: Uses RDAP protocol before falling back to raw WHOIS. Broader TLD coverage via IANA referral. Automatic retry: All network lookups use exponential backoff — transient failures are retried automatically. BGP fallback: If RDAP does not return ASN data for an IP, quien queries BGP routing tables for origin ASN/prefix. PeeringDB enrichment: ASN lookups are enriched with PeeringDB data (peering policy, IX presence, traffic profile). VMC validation: BIMI lookups validate the full VMC certificate chain, not just the record presence. …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills aradotso/quien-whois-lookup