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Categories › Communication › Email

scan.mx Email Diagnostics

MCP serverVerified domain · scan.mxRemote● LiveFree to try

Email deliverability check: MX, SPF, DKIM, DMARC, blacklists, MTA-STS, DNSSEC, BIMI. Graded, no key.

Install

Remote server: your requests and data go to api.scan.mx. Claude Code: claude mcp add --transport http scan-mx-email-diagnostics https://api.scan.mx/mcp · Claude app: Settings → Connectors → Add custom connector.

What it can do

The tools this server listed when we connected to it, in its own words.

  • check_domain — Run the full email and DNS deliverability check for a domain: MX, SPF, DKIM, DMARC, DNS health, provider detection, and blacklists. Returns
  • check_mx — Check the MX records of a domain: presence, hostnames, resolution, null-MX, and common misconfigurations.
  • check_spf — Check the domain SPF policy: presence, syntax, the all qualifier, and the 10-lookup limit.
  • check_dmarc — Check the domain DMARC policy at _dmarc: presence, policy strength (none/quarantine/reject), and reporting.
  • check_blacklist — Check whether the domain and its mail server IPs are listed on the Spamhaus (ZEN, DBL, ZRD, AuthBL), SpamCop, GBUdb and PSBL blocklists.
  • check_mta_sts — Check the domain MTA-STS policy (_mta-sts TXT and the HTTPS policy file, mode and MX coverage) and its TLS-RPT reporting record.
  • check_dnssec — Check DNSSEC validation and DNS health: delegation, nameserver count, SOA, and reverse DNS of the mail servers.
  • check_bimi — Check the domain BIMI record at default._bimi: the SVG logo URL, the VMC/CMC certificate, and the DMARC enforcement BIMI needs.
  • check_dkim — Check DKIM signing keys for a domain. Without a selector, common provider selectors are probed. Pass an explicit selector to look up that ex

KitScout test notes

Not tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.

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