{"uid":"cap_4tPGCjVoVsPZ89YKl27Ar","slug":"workflows-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-5347d664","name":"B2A Email Deliverability, MX, SPF & DMARC Verifier","description":"Validates email syntax, disposable/burner provider status, role accounts, and live DNS MX/SPF/DMARC records. (Live x402 v2, IETF MPP & MCP endpoint at https://workflows.agentdiet.dev/v1/spf-dmarc-auditor)","url":"https://workflows.agentdiet.dev/v1/spf-dmarc-auditor?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["email"],"properties":{"email":{"type":"string","minLength":1,"description":"Email address to validate for syntax, MX deliverability, and disposable risk"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":[],"displayCostAmount":"0.005","displayCostAsset":"USD","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":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_S_h9k_QRtDSCqqHCumngl","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"workflows.agentdiet.dev","brandSlug":"workflows-agentdiet-dev-mpp","brandBaseUrl":"https://workflows.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Validates an email address for syntax correctness, disposable/burner provider status, role account detection, and live DNS MX, SPF, and DMARC record health.","exampleAgentPrompt":"Can you check if john.doe@example.com is a real, deliverable email address — verify its MX records, whether the domain has SPF and DMARC set up, and flag it if it looks like a disposable or role-based address?","exampleUseCases":[{"title":"Lead form email hygiene check","prompt":"Before I add this signup to my CRM, can you verify that sarah.jones@tempmail.io is a genuine deliverable address and not a burner or throwaway email? Also check if the domain has proper MX and SPF records."},{"title":"B2B outreach list validation","prompt":"I have a prospect email address — contact@acmecorp.com — can you confirm it's deliverable, check whether acmecorp.com has MX records and a valid DMARC policy, and tell me if it looks like a role account I should avoid cold-emailing?"},{"title":"Email domain security compliance audit","prompt":"I need to know if the domain behind support@bigclient.com has SPF and DMARC configured correctly — can you run a full DNS email security check and tell me if there are any deliverability or spoofing risk issues?"}],"resultDescription":"Returns a structured report covering: email syntax validity, whether the provider is a known disposable/burner service, whether the address is a role account (e.g. admin@, noreply@), live DNS MX record resolution results, SPF record presence and content, and DMARC policy record presence and enforcement level.","failureModes":["Invalid or malformed email address provided — returns syntax error","Domain does not exist or has no DNS records — MX lookup returns empty/failed","Temporary DNS resolution failure — may return inconclusive MX/SPF/DMARC status","Missing required 'email' query parameter — returns 400-level error","Payment not settled via x402 — returns 402 Payment Required before processing"],"whenToPreferThis":"Choose this endpoint when you need a single-call, authoritative check that combines email syntax validation, disposable provider detection, role account flagging, and live DNS MX/SPF/DMARC record inspection. Prefer it over simple regex-only validators when deliverability and email security compliance both matter, or over domain-only DNS tools when you need the full email-level picture in one request.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:43.639Z","isFirstParty":false,"canonicalSlug":"workflows-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-9ae3af34"}