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

Related MCP server: IR Toolshed MCP Server

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:

2. Install dependencies:

3. Build the project:

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