    servers/
        communication/
        dnsguard
  

DN

DnsGuard

Unverified Claim & verify → Communication

Check a domain's email authentication: SPF, DKIM, DMARC, BIMI, MX, MTA-STS, TLS-RPT. Score + fixes.

Visit website ↗ Try Remote Server

Overview Installation

Overview

DnsGuard is an MCP server that audits a domain's email authentication setup by checking SPF, DKIM, DMARC, BIMI, MX, MTA-STS, and TLS-RPT records. It provides a security score and actionable recommendations to strengthen your email infrastructure. By exposing these checks as MCP tools, DnsGuard lets you run diagnostics from any AI assistant without leaving your workflow.

The server runs as a hosted remote endpoint at https://dnsguard.mike-tusa.workers.dev/mcp. Authentication uses an API key. Current release is v0.7.2. No local installation or infrastructure setup required — connect your MCP client and start checking domains immediately.

DnsGuard is listed in the Communication category on mcp.site. It works with MCP clients including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, and Zed. If you maintain DnsGuard, claim this listing to verify ownership and keep information current.

▸Hosted endpoint — Streamable HTTP · https://dnsguard.mike-tusa.workers.dev/mcp

Installation

Settings → Connectors → Add custom connector
Name: DnsGuard
URL:  https://dnsguard.mike-tusa.workers.dev/mcp

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