MCP DNS

A Model Context Protocol (MCP) tool that provides DNS querying capabilities. This tool allows you to perform DNS lookups for various record types through a standardized MCP interface.

Features

• DNS querying for various record types (A, AAAA, MX, TXT, CNAME, NS, etc.)
• Simple and standardized MCP interface
• Built with TypeScript for type safety
• Uses Node.js native DNS module

Usage

The tool provides a dns-query command that accepts two parameters:

• name: The domain name to query
• type: The DNS record type (A, AAAA, MX, TXT, CNAME, NS, etc.)

Development

Prerequisites

• Node.js (latest LTS version recommended)
• npm

Setup

1. Clone the repository:

git clone https://github.com/glucn/mcp-dns.git
cd mcp-dns

2. Install dependencies:

npm install

3. Build the project:

npm run build

Project Structure

• src/ - Source code directory
  • server.ts - Main server implementation
• build/ - Compiled JavaScript output
• package.json - Project configuration and dependencies

Dependencies

• @modelcontextprotocol/sdk - MCP SDK for server implementation
• zod - TypeScript-first schema validation
• TypeScript - For type safety and modern JavaScript features

Other Links

• Personal Blog: Building My First MCP Server: A DNS Query Tool