{"uid":"cap_ZcpU-W2x1Udc6rNM-Cpwi","slug":"spf-dmarc-email-auditor-f41d8fda","name":"SPF & DMARC Email Auditor","description":"Deterministic B2A/A2A/MCP/x402/MPP/L402 execution and intelligence node at https://mcp-gateway.agentdiet.dev settling in USDC on Base.","url":"https://mcp-gateway.agentdiet.dev/v1/spf-dmarc-auditor?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","POST"],"type":"string"},"queryParams":{"type":"object","properties":{"email":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"data":{},"status":"ok","roi_proof":{"compression_ratio_pct":91.4}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_jbn5XJ1Jen8bvwpa8dA6p","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Audits an email domain's SPF and DMARC DNS records to verify email authentication configuration and identify deliverability or security issues.","exampleAgentPrompt":"Can you check whether the domain for hello@acme.com has proper SPF and DMARC records set up, and let me know if there are any issues?","exampleUseCases":[{"title":"Pre-send email campaign audit","prompt":"Before I launch this email campaign, can you audit SPF and DMARC for marketing@mybrand.com to make sure our emails won't land in spam?"},{"title":"Security review for new domain","prompt":"We just set up a new domain — can you check if support@newstartup.io has SPF and DMARC properly configured so we're protected against email spoofing?"},{"title":"Deliverability troubleshooting","prompt":"Our transactional emails from noreply@shopexample.com are being marked as spam — can you audit the SPF and DMARC records to see what's misconfigured?"}],"resultDescription":"Returns a JSON object with a status field ('ok'), a data object containing the SPF and DMARC audit findings for the queried email/domain, and an roi_proof field showing a compression ratio percentage (e.g. 91.4%) indicating how efficiently the information was summarized.","failureModes":["Missing or invalid email query parameter returns an error or empty data","Domain with no SPF or DMARC records returns audit result indicating absent records","Malformed email address may result in lookup failure","Payment failure (insufficient USDC balance) blocks the request with a 402 response","DNS lookup timeouts for slow or unreachable nameservers"],"whenToPreferThis":"Use this endpoint when you need a quick, automated SPF and DMARC validation for an email domain without setting up your own DNS lookup tooling. Ideal for agents conducting email security audits, pre-campaign deliverability checks, or compliance reviews. At $0.005 USDC per call it is cost-effective for per-domain spot checks. Prefer this over general DNS tools when you specifically need structured email authentication analysis with a clean pass/fail result.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:40:48.200Z","isFirstParty":false,"canonicalSlug":"spf-dmarc-email-auditor-f41d8fda"}