DMARC Shark — Email DNS Checker

by FastDrop

MCP MCP VERIFIED Verified 3 hours ago Registry import free

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

Check a domain's public SPF, DMARC, MX and DKIM DNS records on demand. No account required. Official MCP Registry: com.dmarcshark/email-dns-checker@1.0.0. Remote endpoint: https://dmarcshark.com/mcp

Problem it solves

Discoverable MCP server listed in the official MCP Registry.

How it's different

Remote MCP endpoint ingested from the official registry and probed by FastDrop.

Ingested from the official MCP Registry

FastDrop pulled this entry from the official MCP Registry as com.dmarcshark/email-dns-checker and probed the endpoint. The maker did not submit it, so the outbound link is not endorsed and the description is not theirs.

If this is your server, claim the listing to edit it and take ownership. The registry index lists everything else still awaiting a probe.

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Tools this endpoint exposes

Read directly from the endpoint on 19 Oct 2026. Not supplied by the maker.

check_domain
Runs fresh, bounded public SPF, DMARC, MX and optionally specified DKIM-selector DNS checks. Changes the public saved snapshot. Rate limited. DNS findings do not prove message authentication.
get_saved_result
Reads the last saved, timestamped public snapshot without making any DNS queries. Results expire after 90 days.