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DNStwistSAFE

mcp/burtthecoder/dnstwist
MCP server by burtthecoder · dns · javascript · mcp · Audited 2026-10-08
⚑ Report / re-scanSource ↗

MCP server for dnstwist, a powerful DNS fuzzing tool that helps detect typosquatting, phishing, and corporate espionage.

Verdict
SAFE
Grade
B
Trust score
89 /100
Exposed tools
1 1r · 0w · 0d
Transport
stdio
License
MIT
Stars
51
01

Overview

From the repository's own README, as read at the audited commit. Badges and raw HTML are left out.

[](https://smithery.ai/server/@burtthecoder/mcp-dnstwist)

A Model Context Protocol (MCP) server for dnstwist, a powerful DNS fuzzing tool that helps detect typosquatting, phishing, and corporate espionage. This server provides tools for analyzing domain permutations and identifying potentially malicious domains. It is designed to integrate seamlessly with MCP-compatible applications like Claude Desktop.

⚠️ Warning

This tool is designed for legitimate security research purposes. Please:

  • Only analyze domains you own or have permission to test
  • Respect rate limits and DNS server policies
  • Use responsibly and ethically
  • Be aware that some DNS servers may rate-limit or block automated queries
  • Consider the impact on DNS infrastructure when running large scans

Requirements

  • Node.js (v18 or later)
  • Docker
  • macOS, Linux, or Windows with Docker Desktop installed

Quick Start

Installing via Smithery

To install DNStwist for Claude Desktop automatically via Smithery:

npx -y @smithery/cli install @burtthecoder/mcp-dnstwist --client claude

Installing Manually

  1. Install Docker:
  2. macOS: Install Docker Desktop
  3. Linux: Follow the Docker Engine installation guide
  1. Install the server globally via npm:
npm install -g mcp-dnstwist
  1. Add to your Claude Desktop configuration file:
{
"mcpServers": {
"dnstwist": {
"command": "mcp-dnstwist"
}
}
}

Configuration file location:

  • macOS: `~/Library/Application Support/Claude/claud
Read from source at commit c412ccdbede7OBSERVED · 2026-10-08
02

Connect

Built from this server's own package name, version and transport as found in its source — not copied from anyone's documentation, so it cannot drift against a page we do not control.

claude-code
claude mcp add mcp-dnstwist -- npx -y @burtthecoder/[email protected]
claude-desktop
{
  "mcpServers": {
    "mcp-dnstwist": {
      "command": "npx",
      "args": [
        "-y",
        "@burtthecoder/[email protected]"
      ]
    }
  }
}
03

Exposed tools (1)

1 read · 0 write · 0 destructive.

ToolRiskDescription
fuzz_domainreadGenerate and analyze domain permutations to detect potential typosquatting, phishing, and brand impersonation
04

Trust audit

SAFEgrade B · trust 89/100 Nothing in the source contradicts what it says it does. Grade A is reserved for packages that have also passed the behavioural sandbox.

LayerWhat it checksResult
L0Provenance & inventoryPASS
L1Static analysis of the codePASS
L2Instruction surface (what it tells the agent)PASS
L3Class-specific surfacePASS
L4Behavioural (sandbox)SKIPPED

What the source does

Filesystem
none-observed
Network
none-observed
Shell
none-observed
Dependencies
not all pinned
Secrets in source
none-found

Findings (1)

LOWSupply chain · supply.unpinned · CWE-829, CWE-1357
package.json
@modelcontextprotocol/sdk, @types/node, typescript
Why it matters. 3 dependency range(s) float
Fix. pin exact versions or ship a lockfile

Gates applied: no_behavioural_pass.

Audited 2026-10-08 · audit v0.4.1 · source sha c412ccdbede7full audit observations/trust-audit/mcp-server/burtthecoder__dnstwist.json · Report an issue / request a re-scan
05

Audit history

Every audit this server has had. A grade with a past is a grade somebody is still checking.

DateSourceVerdictGradeScoreChange
2026-10-08c412ccdbede7SAFEB89first audit
06

Questions

What is the DNStwist MCP server?

MCP server for dnstwist, a powerful DNS fuzzing tool that helps detect typosquatting, phishing, and corporate espionage.

What tools does DNStwist expose?

1 in total: 1 read-only, 0 that write, and 0 that can delete or overwrite. Every one is listed on this page with its risk.

Is DNStwist safe to connect to an agent?

The audit found nothing in the source that contradicts what it says it does, and graded it B (89/100). Grade A is held back for packages that have also passed a sandboxed behavioural run, which is why a clean server reads B.

What credentials does DNStwist need?

No credential environment variables were found in its source, so it appears to need none.

How does DNStwist run?

It speaks stdio, so it runs as a local process your client starts. It is published on npm as @burtthecoder/mcp-dnstwist at 1.0.4.

How current is this page?

The grade is for one exact copy of the source (c412ccdbede7), read on 2026-10-08. The repository is watched and re-audited when it changes.

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