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NS Lookup MCP Server

@wgr1984

Repository

Basic information

Category

Other

Transports

stdio

Author

wgr1984

About NS Lookup MCP Server

A simple MCP Server that exposes the nslookup command functionality

NS Lookup MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "ns-lookup-mcp": {
      "command": "uv",
      "args": [
        "pip",
        "install",
        "-e",
        "."
      ]
    }
  }
}

NS Lookup MCP Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is NS Lookup MCP Server?

A simple MCP (Model Context Protocol) Server that exposes the nslookup command functionality via a REST API. It provides forward and reverse DNS lookup capabilities for integrating DNS resolution into applications.

How to use NS Lookup MCP Server?

Requires Python 3.9+ and the uv package manager. Clone the repository, install dependencies with uv pip install -e ., then start the server with uv run ns-lookup-mcp. For debugging, use npx @modelcontextprotocol/inspector uv run ns-lookup-mcp. Configure an MCP client by adding the provided JSON entry with the correct workspace path.

Key features of NS Lookup MCP Server

  • Exposes nslookup command via a REST API
  • Supports forward and reverse DNS lookups
  • Configurable DNS server selection
  • Clean and concise output formatting
  • Modern Python tooling with uv and pyproject.toml

Use cases of NS Lookup MCP Server

  • Perform forward DNS lookups for domain names
  • Perform reverse DNS lookups for IP addresses
  • Query specific DNS servers (e.g., Google, Cloudflare, OpenDNS)
  • Integrate DNS resolution into MCP‑enabled workflows

Frequently asked questions

1

What are the system requirements for NS Lookup MCP Server?

Python 3.9 or higher and the uv package manager are required.

2

How do I install and run NS Lookup MCP Server?

Clone the repository, run `uv pip install -e .` to install dependencies, then start with `uv run ns-lookup-mcp`.

3

What parameters does the nslookup tool accept?

It accepts a required `hostname` (domain or IP) and an optional `server` (DNS server to use).

4

Can I specify a custom DNS server for a lookup?

Yes, you can provide the `server` parameter to use a specific DNS server, such as `8.8.8.8` or `1.1.1.1`.

5

What output format does NS Lookup MCP Server return?

The server returns a clean, concise format showing DNS server, queried name, and resolved address.

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