Free MCP Server + REST API

DomainIntel

Domain intelligence for AI agents. WHOIS, DNS, SSL, and tech stack detection in one MCP server.

whois_lookup
Registration data: registrar, dates, age, nameservers, registrant info, DNSSEC
dns_lookup
All DNS records + mail provider detection (Google Workspace, M365) + SPF/DMARC
ssl_check
Certificate details: issuer, expiry, days remaining, protocol, SANs, self-signed detection
tech_stack
Technology detection: frameworks, CMS, hosting, CDN, analytics, security headers
full_report
All of the above in a single call — comprehensive domain intelligence report

Connect to Claude / Cursor

{ "mcpServers": { "domainintel": { "url": "https://domainintel.vercel.app/api/mcp" } } }

REST API

GET /api/lookup?domain=example.com GET /api/lookup?domain=example.com&tools=whois,dns,ssl,tech

Try it

Why DomainIntel?

No API key required
Real-time data (not cached)
Works with any MCP client
One-call full reports
Tech stack detection
Email security analysis
SSL monitoring
WHOIS + RDAP