MCP For Claude Marketplace
WhoisXML

WhoisXML MCP Connector for Claude

A+

Access comprehensive domain intelligence, WHOIS records, IP geolocation, and email verification directly from your AI agent.

4 tools Official Updated Jun 28, 2026 Official Vinkius Partner
More Details Connect to Claude

Connect the WhoisXML API to your AI agent to perform deep network reconnaissance and data validation through natural language.

What you can do

  • WHOIS Lookups — Retrieve parsed and raw registration data, including registrar info and creation dates for any domain.
  • IP Geolocation — Instantly identify the country, city, ISP, and coordinates of any IP address.
  • Email Verification — Validate email syntax, check MX records, and detect disposable addresses to ensure data quality.
  • Domain Availability — Perform lightweight checks to see if a domain name is available for registration.

How it works

  1. Subscribe to this server
  2. Enter your WhoisXML API Key
  3. Start querying domain and network data from Claude, Cursor, or any MCP-compatible client

Who is this for?

  • Security Researchers — Quickly investigate suspicious domains or IP addresses during incident response.
  • Developers — Integrate domain availability and email validation checks into your workflow without leaving the editor.
  • Marketers & Sales — Verify lead lists and research company domain ownership for better outreach.
domain-intelligencewhoisip-geolocationemail-verificationthreat-intelligencenetwork-recon

4 tools expose this connector's capabilities to your AI agent.

check_domain_availability

Check if a domain name is available for registration

get_ip_geolocation

Get location data for an IP address

get_whois_record

Get parsed and raw WHOIS data for a domain

verify_email

Check if an email address is valid and exists

See how to talk to your AI agent using WhoisXML.

Get the WHOIS record for google.com.

I've retrieved the WHOIS data for google.com. It was registered via MarkMonitor Inc. on 1997-09-15 and is set to expire on 2028-09-14.

Where is the IP address 8.8.8.8 located?

The IP address 8.8.8.8 is located in Mountain View, California, United States. It is operated by Google LLC.

Verify if the email test@example.com is valid.

I checked test@example.com. The syntax is valid, but the domain does not have active MX records, suggesting it cannot receive emails.

Yes! Use the `check_domain_availability` tool. It provides a lightweight check to see if a specific domain name is currently available.

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