Google tells you what exists. Faceabot tells you what holds up.
19 offline checks on the SPF, DMARC and DKIM records in your branch — including the DMARC rewrite of
Package npm :@readystack/spf-dmarc-record-lint · website · measurements and detailsComplete domain email-auth audit in one call: SPF with RFC 7208 lookup counting, DKIM selector pr...
MCP endpoint :https://dmarc-spf-audit.david-cyr.workers.dev/mcp · measurements and detailsDMARC analytics and domain onboarding for AI assistants — health, SPF/DKIM, compliance, anomalies.
MCP endpoint :https://mcp.dmarkoff.com/mcp · website · measurements and detailsCheck a domain's DMARC, SPF and DKIM, build SPF records, explain bounces, read DMARC reports.
MCP endpoint :https://domaincanary.com/mcp · website · measurements and detailsAI-operated. Free SPF (RFC 7208 count), DMARC, MTA-STS, DMARC rua/ruf readers. Paid audit $29.
MCP endpoint :https://ai.rjhsignaltech.workers.dev/mcp · website · measurements and details21 dated checks over SPF, DKIM, DMARC, RFC 8058 one-click unsubscribe and TLS, in VS Code and in the
Package npm :@readystack/bulk-sender-lint · website · measurements and detailsFree, read-only email and DNS checks: SPF, DKIM, DMARC, MX, DNS records, blocklists, domain health.
MCP endpoint :https://mxverdict.com/mcp · website · measurements and detailsCheck SPF/DKIM/DMARC/BIMI, blacklists, SMTP/IMAP; DNS lookups; generate email DNS records.
MCP endpoint :https://themailx.com/mcp · website · measurements and detailsUse when email lands in spam: audits SPF, DKIM, DMARC, MX and returns the DNS records to fix it.
MCP endpoint :https://mcp.mailvakt.com/mcp · website · measurements and detailsDNS and email security: check SPF, DKIM, DMARC, DNSSEC, DANE and build the records. 45 tools.
MCP endpoint :https://intodns.ai/api/mcp · website · measurements and detailsDNS resolution, HTTP security headers, and SPF/DMARC email hygiene audits.
MCP endpoint :https://mcp-domain-auditor.stubby76.workers.dev/mcp · website · measurements and detailsRemote MCP server: 19 domain-hygiene and email-auth tools (DNS, SPF, DMARC, DKIM, TLS).
MCP endpoint :https://www.domainposture.com/mcp/mcp · website · measurements and detailsScan, fix, verify and monitor DNS: SPF, DMARC, DKIM, propagation, health, expiry. Validated fixes.
MCP endpoint :https://dnsdoctor.dev/mcp · website · measurements and detailsMonitor and manage email authentication (SPF, DKIM, DMARC, MTA-STS, BIMI) for your domains.
MCP endpoint :https://api.palisade.email/mcp · website · measurements and detailsDomainDNA: a domain's tech stack, email security (MX/SPF/DMARC), TLS expiry and age in one record.
MCP endpoint :https://mcp.apify.com?tools=cybermax/domain-intel · website · measurements and detailsDomainDNA: a domain's tech stack, email security (MX/SPF/DMARC), TLS expiry and age in one record.
MCP endpoint :https://mcp.apify.com/?tools=cybermax/domain-intel · website · measurements and detailsFree SPF, DKIM, DMARC, MX deliverability check with graded shareable reports, plus referral terms
MCP endpoint :https://guild.tradeuniquecapital.com/mcp · website · measurements and detailsEmail deliverability checks: SPF, DKIM, DMARC, BIMI, MTA-STS, blacklists, headers, spam words
MCP endpoint :https://powerline.ai/mcp · website · measurements and details55 tools, 7 Resources, Sigma rules, email SPF/DMARC, MITRE, CVE/KEV, risk_score. No key.
MCP endpoint :https://api.contrastcyber.com/mcp/ · website · measurements and detailsScan and fix a domain's email deliverability (SPF, DKIM, DMARC, MTA-STS, BIMI, DNS blocklists).
MCP endpoint :https://mcp.inboxguard.io/mcp · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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