WhoisXML API Connector for AI agents.
4 live capabilities
Get real-time domain intelligence and IP geolocation data.
Waiting for input…
Why people use WhoisXML API
WhoisXML for Domain Intelligence and Network Recon
This Connector lets you just ask your agent to do it. You get the registrar, the city, and the email status in a single response. It turns a ten-minute research task into a five-second chat command.
What Vinkius changes
You get real-time network and domain data without leaving your AI interface.
Use it from Claude, ChatGPT, Cursor or another AI client you already have.
One account · 5,900+ Connectors
- Real-world use case 01
Suspicious Domain Investigation
A security pro asks the agent to pull a WHOIS record for a phishing site to find the registrar and creation date.
- Real-world use case 02
Lead List Cleaning
A sales rep asks the agent to verify a list of 50 emails to remove any that use disposable providers.
- Real-world use case 03
Web Project Planning
A developer asks if 'mycoolapp.
Complete set · 4capabilities
The complete WhoisXML API capability set.
These are the exact actions your AI can choose when you ask it to work with WhoisXML API.
01—04
4 capabilities in this set.
Part of 4 available through WhoisXML API.
- 01 Capability
Get ip geolocation
Gets location data for an IP address. It identifies the country, city, and ISP in one go.
- 02 Capability
Get whois record
Pulls parsed and raw WHOIS data for a domain. It helps you find registration dates and registrar info quickly.
- 03 Capability
Verify email
Checks if an email address is valid and exists. It looks at MX records and detects disposable addresses.
- 04 Capability
Check domain availability
Checks if a domain name is available for registration. Use it to see if a specific brand name is still open.
Set up in minutes
One URL. Then ask WhoisXML API to work.
Claude and ChatGPT only need the Connector URL. Copy it once, add it in settings, and use WhoisXML API from the conversation.
Choose your client
Live previewAdvanced clients IDE · CLI
Claude · Web + desktop
Connector URL · ready to paste
Streamable HTTPhttps://edge.vinkius.com/vk_preview_8ZfNhpmiBZIzJPrO0afeX9bez2c5QGEBhxhzGkAj/mcp - Step 01
Open Connectors
In Claude Web or Claude Desktop, open Settings and choose Connectors.
- Step 02
Add the URL
Choose Add custom connector, name it WhoisXML API, and paste the URL above.
- Step 03
Turn it on in chat
Select +, open Connectors, and enable WhoisXML API for the conversation.
ChatGPT · Web + desktop
Connector URL · ready to paste
Streamable HTTPhttps://edge.vinkius.com/vk_preview_8ZfNhpmiBZIzJPrO0afeX9bez2c5QGEBhxhzGkAj/mcp - Step 01
Open MCP settings
On desktop, open Settings and MCP servers. On web, open your workspace app or connector settings.
- Step 02
Add the URL
Choose Add server with Streamable HTTP, or create a custom MCP app, then paste the WhoisXML API URL.
- Step 03
Save and start
Save the connection and enable WhoisXML API in your conversation. Desktop may ask you to restart once.
Cursor · IDE configuration
Advanced setup
{
"mcpServers": {
"whoisxml": {
"url": "https://edge.vinkius.com/vk_preview_8ZfNhpmiBZIzJPrO0afeX9bez2c5QGEBhxhzGkAj/mcp"
}
}
}- Step 01
Open MCP Settings
Press Cmd+Shift+P (macOS) or Ctrl+Shift+P (Windows/Linux) → search "MCP Settings"
- Step 02
Add the server config
Paste the JSON configuration above into the mcp.json file that opens
- Step 03
Save the file
Cursor will automatically detect the new Connector
- Step 04
Start using WhoisXML API
Open Agent mode in chat and ask: "Using WhoisXML API, help me...". 4 tools available
VS Code Copilot · IDE configuration
Advanced setup
{
"mcpServers": {
"whoisxml": {
"url": "https://edge.vinkius.com/vk_preview_8ZfNhpmiBZIzJPrO0afeX9bez2c5QGEBhxhzGkAj/mcp"
}
}
}- Step 01
Create MCP config
Create a .vscode/mcp.json file in your project root
- Step 02
Add the server config
Paste the JSON configuration above
- Step 03
Enable Agent mode
Open GitHub Copilot Chat and switch to Agent mode using the dropdown
- Step 04
Start using WhoisXML API
Ask Copilot: "Using WhoisXML API, help me...". 4 tools available
Windsurf · IDE configuration
Advanced setup
{
"mcpServers": {
"whoisxml": {
"url": "https://edge.vinkius.com/vk_preview_8ZfNhpmiBZIzJPrO0afeX9bez2c5QGEBhxhzGkAj/mcp"
}
}
}- Step 01
Open MCP Settings
Go to Settings → MCP Configuration or press Cmd+Shift+P and search "MCP"
- Step 02
Add the server
Paste the JSON configuration above into mcp_config.json
- Step 03
Save and reload
Windsurf will detect the new server automatically
- Step 04
Start using WhoisXML API
Open Cascade and ask: "Using WhoisXML API, help me...". 4 tools available
Cline · IDE configuration
Advanced setup
{
"mcpServers": {
"whoisxml": {
"url": "https://edge.vinkius.com/vk_preview_8ZfNhpmiBZIzJPrO0afeX9bez2c5QGEBhxhzGkAj/mcp"
}
}
}- Step 01
Open Cline MCP Settings
Click the Connectors icon in the Cline sidebar panel
- Step 02
Add remote server
Click "Add Connector" and paste the configuration above
- Step 03
Enable the server
Toggle the server switch to ON
- Step 04
Start using WhoisXML API
Ask Cline: "Using WhoisXML API, help me...". 4 tools available
Claude Code · Terminal command
Advanced setup
claude mcp add whoisxml --transport http "https://edge.vinkius.com/vk_preview_8ZfNhpmiBZIzJPrO0afeX9bez2c5QGEBhxhzGkAj/mcp"- Step 01
Install Claude Code
Run npm install -g @anthropic-ai/claude-code if not already installed
- Step 02
Add the Connector
Run the command above in your terminal
- Step 03
Verify the connection
Run claude mcp to list connected servers, or type /mcp inside a session
- Step 04
Start using WhoisXML API
Ask Claude: "Using WhoisXML API, show me...". 4 tools are ready
Where the request belongs
Work WhoisXML API can move forward.
This is for security pros hunting threats, devs checking domain availability, and sales teams cleaning up lead lists. It's for anyone tired of manual data entry and guesswork about email health.
Security Researcher
Investigates suspicious domains and IP addresses during incident response to find registrar info.
Web Developer
Checks if brand names are available for registration before starting a new project.
Sales Operations
Cleans up lead lists by identifying disposable emails and verifying MX records for high-quality outreach.
Build the capability set
Add more capabilities.
Each Connector adds new actions and data without changing how you work.
Browse ConnectorsIP2WHOIS
Look up domain registration details, ownership information, and expiration dates with instant WHOIS queries at scale.
SecurityTrails
Uncover IT infrastructure. access DNS history, subdomains, reverse IP lookups, WHOIS data and advanced domain intelligence for ultimate OSINT.
IPinfo
Enrich IP addresses with geolocation, ASN, and WHOIS data directly from your AI agent using IPinfo's industry-leading intelligence.
NameSilo (Domain Registrar Developer API)
Manage your domain portfolio, DNS records, and registrations directly through NameSilo's developer API.
IPdata
Enrich IP addresses with geolocation, ASN, and threat intelligence data directly within your AI agent.
Namecheap
Manage your domains, DNS records, SSL certificates and account. check domain availability and configure nameservers.
Bring your own AI
Change the model, client or framework. Keep WhoisXML API connected.
-
Claude -
ChatGPT -
Gemini -
Cursor -
VS Code -
Windsurf -
ZCode -
Cline -
Zed -
Continue -
Kiro -
Roo Code -
Zencoder -
Goose -
Void -
Augment Code -
Amp -
Qodo -
Tabnine -
Pieces -
Sourcegraph Cody -
JetBrains -
Warp -
Amazon Q -
Antigravity -
BoltAI -
Raycast -
Jan -
LM Studio -
AnythingLLM -
Open WebUI -
Msty -
Cherry Studio -
LibreChat -
TypingMind -
Chorus -
5ire -
n8n -
LangChain -
LlamaIndex -
CrewAI -
Vercel AI SDK
Before you connect
Questions about WhoisXML API.
The practical details behind the request, access and result.
Can I use WhoisXML MCP to check if a domain is taken?
Yes. You can ask your agent to check the availability of any domain name. It will tell you if it is currently available for registration or already owned.
How does WhoisXML MCP help with security research?
It allows you to quickly pull WHOIS records and IP geolocation for suspicious domains or addresses. This helps you identify registrars and geographic origins during an investigation.
Can WhoisXML MCP find the city for an IP address?
Yes, it provides specific location data including the country, city, and ISP coordinates for any IP address you query.
Does WhoisXML MCP check for disposable emails?
Yes. It identifies whether an email address belongs to a disposable provider, which helps keep your lead lists clean and accurate.
How do I use WhoisXML MCP to see domain registration dates?
Just ask your agent to pull the WHOIS record for a specific domain. It will return the creation and expiration dates in plain text.
Can I use WhoisXML MCP to verify my lead list?
Absolutely. You can ask your agent to verify the MX records and syntax for a list of emails to ensure they are valid before you start your outreach.
Can I check if a domain is available for registration?
Yes! Use the check_domain_availability capability. It provides a lightweight check to see if a specific domain name is currently available.
How do I find the physical location of an IP address?
Simply use the get_ip_geolocation capability with the target IP. The agent will return the country, city, latitude, longitude, and ISP information.
Can this capability detect disposable or fake email addresses?
Yes. The verify_email capability checks email syntax, MX records, and SMTP connections, and specifically flags disposable email providers.
One connection away
Give your agent a direct line to WhoisXML API.
Connect WhoisXML API once. Keep it beside 5,900+ managed Connectors when the next task needs more.
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