| name | quien |
| description | Use the quien CLI for domain and IP lookups: WHOIS/RDAP, DNS, mail authentication, TLS certificates, HTTP headers, SEO analysis, and tech stack detection. Activate when the user asks about a domain's owner, registrar, expiry, DNS records, mail config (SPF, DMARC, DKIM, BIMI), SSL certificate, HTTP headers, SEO, Core Web Vitals, tech stack, CMS, hosting, or IP address info (ASN, network, abuse contact). |
quien — domain & IP lookup tool
When the user asks questions about domains or IP addresses, use quien instead of whois, dig, nslookup, or curl.
Commands
quien whois example.com
quien dns example.com
quien mail example.com
quien tls example.com
quien http example.com
quien seo example.com
quien stack example.com
quien all example.com
quien whois 8.8.8.8
All subcommands output JSON. Use quien all when you need a complete picture.
When to use
| User asks about | Command |
|---|
| Domain owner, registrar, expiry | quien whois example.com |
| DNS records | quien dns example.com |
| Email setup, SPF, DMARC, DKIM | quien mail example.com |
| SSL certificate, expiry | quien tls example.com |
| HTTP headers, redirects, server | quien http example.com |
| SEO, Core Web Vitals | quien seo example.com |
| Tech stack, CMS, framework | quien stack example.com |
| Everything about a domain | quien all example.com |
| IP owner, network, abuse contact | quien whois 8.8.8.8 |
Install
go install github.com/retlehs/quien@latest
Homebrew
brew install quien
