domain-lookup-mcpThis tool lets your chat assistant check who owns a website and when it renews. It searches modern public records first, then quietly uses the older lookup method if needed, returning clear registrati

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Reviewed by Daniel Nikulshyn·Updated July 2026

Overview

Domain-lookup-mcp is a server for looking up domain names via RDAP and then WHOIS. It's designed to be used with a chat assistant, allowing it to check who owns a website and when it renews. The tool searches modern public records first, and if needed, uses an older lookup method, returning clear registration information. It's built in Go and can be used by configuring an MCP client to point to the binary.

Key features

RDAP and WHOIS lookups
Clear registration details
MCP server integration

Pricing

Model: Free
Category: MCP Servers
Rating: No reviews yet

Use cases

Website Ownership Verification

Verify the ownership of a website and retrieve registration details

Domain Renewal Reminder

Retrieve domain renewal information to set reminders

Pros & Cons

Pros

Uses modern RDAP records for faster lookups
Falls back to WHOIS for older records
Provides clear registration information

Cons

Requires building the tool from source
Limited to use with MCP clients

Reviews

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Q&A

What is the learning curve for integrating this tool?

Basic Go knowledge is required to build the binary, and you need to understand MCP server configuration, but once compiled, the integration is a simple server registration in your MCP client.

Asked by Hiroshi Tanaka · May 31, 2026

Are there any limitations to using this tool?

Yes, it must be built from source in Go and only works with MCP clients; it does not support direct API calls outside that framework.

Asked by Jibril Abubakar · May 8, 2026

What kind of lookup information does it provide?

The tool first queries RDAP records for the fastest results. If RDAP data is missing, it falls back to a traditional WHOIS lookup, returning clear registration details such as owner and renewal date.

Asked by Kenji Watanabe · Mar 9, 2026

How do I set up Domain-lookup-mcp with my chat assistant?

Clone the repository, run `go build ./...` to compile the binary, then configure your MCP client by adding a server entry pointing to the compiled binary, e.g., `command : /path/to/domain-lookup-mcp`.

Asked by Kwame Mensah · Feb 27, 2026