DMARC MCP Server
DMARC MCP Server provides programmatic read only access to DNS and email authentication data so developers and AI agents can validate DMARC, SPF, and DKIM configurations directly inside MCP compatible tools.
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Overview
Connect the DMARC MCP server to Claude, Cursor, VS Code or any MCP client and ask your AI assistant about your DMARC aggregate reports, failing senders, DNS history and TLS reports, in plain language. Sign in once: DNS, DMARC, DKIM and SPF lookup tools then work for any domain, no subscription needed. Full per-client instructions live at app.dmarcdkim.com/mcp-instructions Two sets of tools over one MCP server, both behind a single sign-in: account tools that read your stored DMARC data, and free lookup tools that work for any domain with no subscription.
Installation
Installation instructions are not available yet.
Configuration
Configuration example is not available yet.
Capabilities
- Summarize DMARC reports
Ask for a weekly DMARC aggregate (RUA) summary with pass rates and top sending sources by volume.
- Identify failing senders
Filter per-source records to DMARC, SPF, or DKIM failures to pinpoint unauthenticated or spoofed senders.
- Review DNS history and alerts
Check snapshots of DMARC, SPF, DKIM, and MX records over time, plus change notifications like a removed or altered DMARC record.
- Inspect TLS-RPT reports
Pull the latest SMTP TLS reporting data and see successful versus failed session totals per period.
- Run free DNS lookups
Query A, MX, SPF, DMARC, DKIM, PTR, NS, CNAME, or WHOIS records for any domain via `DNS Lookup`.
- Validate and merge SPF records
Use `SPF Check` for syntax and RFC 7208 lookup limits, or `SPF Merge` to consolidate records and remove duplicates.
Tags
- cloud-infrastructure
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