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x402 DNS Email Auth Checker

Official registry Search and web

Audit SPF, DKIM, DMARC, MX, BIMI, MTA-STS for a domain; score + grade. $0.003 USDC/call via x402.

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 x402-dns-email-auth-checker 'https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "x402-dns-email-auth-checker": {
            "type": "http",
            "url": "https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp"
        }
    }
}

Frequently asked questions

What is x402 DNS Email Auth Checker?

Audit SPF, DKIM, DMARC, MX, BIMI, MTA-STS for a domain; score + grade. $0.003 USDC/call via x402.

How do I install x402 DNS Email Auth Checker?

It runs as a remote server. In Claude Code: claude mcp add --transport http x402-dns-email-auth-checker 'https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does x402 DNS Email Auth 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.

Who maintains x402 DNS Email Auth Checker?

It is published by dev.workers.microtools-x402.x402-dns-auth-checker. 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.