domaindetails.com
Domain Research Tools

Tools for Every Domain Professional

Whether you're an entrepreneur searching for your dream domain, an investor managing your portfolio, or a brand monitoring your assets — we have the tools you need.

RDAP First Domain Lookup

We prioritize RDAP over traditional WHOIS for more accurate, standardized, and secure domain information.

  • RDAP protocol prioritized over WHOIS
  • URL-based search - add domaindetails.com/ before any URL
  • Live aftermarket pricing (Sedo, Dynadot, DomainMarket, Namecheap)
  • One-click access to purchase listings
Try RDAP Lookup

Renewal Price Checking

Compare domain renewal prices across registrars to find the best deals with real-time pricing.

  • Real-time renewal price comparisons
  • Support for major registrars
  • Multi-year pricing breakdowns
  • Transfer vs. renewal cost analysis
Check Prices

Bulk Domain Lookup

Look up up to 100 domains at once with our privacy-first bulk lookup tool.

  • Up to 100 domains per search
  • Privacy-first processing
  • Instant results
  • Export to CSV
Try Bulk Lookup

Free MCP Server

Connect to our free Model Context Protocol server. Works perfectly with AI agents like Claude.

  • 100% free to use
  • Perfect for AI agents & clients
  • WHOIS & RDAP support
  • Developer-friendly API
Access MCP Server

Chrome Extension

See domain information instantly while browsing. Smart subdomain detection and real-time WHOIS data.

  • Smart subdomain detection and toggle
  • Advanced URL normalization
  • Multi-level TLD support
  • Lightweight & fast
Get Extension
$99/year

Domain Details Alerts

Google Alerts for domains. Watch your first domain free, or expand to 25, and get emailed when anything changes.

  • 1 watched domain free; 25 with Alerts
  • Email alerts within minutes of detection
  • Aftermarket price & listing tracking
  • 90 days of change history with diffs
Watch 1 Free

Free lookup tools, optional alerts.

Use everything for free and create an account to watch one domain. Upgrade only when you need to expand your watchlist to 25.