{"uid":"cap_2XEIDPO1hZCuyQEPOa4b4","slug":"domain-osint-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-78659ee3","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://domain-osint.agentdiet.dev/v1/email)","url":"https://domain-osint.agentdiet.dev/v1/email?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_iqKanDriwW5sHyRu1MuOS","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"domain-osint.agentdiet.dev","brandSlug":"domain-osint-agentdiet-dev-mpp","brandBaseUrl":"https://domain-osint.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 verification.","exampleAgentPrompt":"Can you check whether john.smith@acmecorp.io is a real, deliverable email — specifically whether it passes syntax checks, has working MX records, and isn't from a disposable or role-based account?","exampleUseCases":[{"title":"Lead list email screening","prompt":"Before we import these leads into our CRM, can you check if alex.turner@prospectco.com is a legitimate deliverable address — not a throwaway or a role account like sales@ — and that the domain has MX records set up?"},{"title":"New user signup fraud prevention","prompt":"A user just signed up with the email temp123@mailinator.com — can you tell me if that's a disposable burner address and whether the domain has proper SPF and DMARC records configured?"},{"title":"Email security posture audit","prompt":"Can you verify whether outreach@startupxyz.io has valid MX records and that the domain is properly secured with both SPF and DMARC policies in DNS?"}],"resultDescription":"Returns a structured object indicating email syntax validity, whether the provider is a known disposable/burner service, whether the local part is a role account (e.g. admin, noreply), and live DNS lookup results for MX records (deliverability), SPF record presence/content, and DMARC record presence/policy.","failureModes":["Invalid or malformed email format returns a syntax error response","Domain has no MX records, indicating the address is undeliverable","DNS lookup timeout or failure for live record resolution","Rate limiting or payment failure via x402 micropayment protocol","Domain exists but has no SPF or DMARC records, flagged as misconfigured"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, single-call email validation that combines syntax checking, disposable provider detection, role account flagging, and live DNS verification of MX, SPF, and DMARC records — especially in B2B lead enrichment, signup fraud prevention, or outreach quality assurance workflows where deliverability and security posture both matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:06.019Z","isFirstParty":false,"canonicalSlug":"domain-osint-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-78659ee3"}