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DMARC Shark — Email DNS Checker

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Check a domain's public SPF, DMARC, MX and DKIM DNS records on demand. No account required.

Source code Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http dmarc-shark-email-dns-checker 'https://dmarcshark.com/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "dmarc-shark-email-dns-checker": {
            "type": "http",
            "url": "https://dmarcshark.com/mcp"
        }
    }
}

Frequently asked questions

What is DMARC Shark — Email DNS Checker?

Check a domain's public SPF, DMARC, MX and DKIM DNS records on demand. No account required.

How do I install DMARC Shark — Email DNS Checker?

It runs as a remote server. In Claude Code: claude mcp add --transport http dmarc-shark-email-dns-checker 'https://dmarcshark.com/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does DMARC Shark — Email DNS Checker need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is DMARC Shark — Email DNS Checker open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains DMARC Shark — Email DNS Checker?

It is published by skatkov. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.