{"uid":"cap_La_02QjjyTpf_ifj6d9uO","slug":"domain-osint-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-26d8813c","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-validator)","url":"https://domain-osint.agentdiet.dev/v1/email-validator?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_4DvDCu7AhxrpmaJ0wLtl1","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 detection, role account flags, and live DNS MX, SPF, and DMARC record checks.","exampleAgentPrompt":"Can you check whether john.doe@tempmail.org is a real, deliverable email address — specifically whether it's from a disposable provider, and whether the domain has valid MX, SPF, and DMARC records set up?","exampleUseCases":[{"title":"Screening signups for burner emails","prompt":"A user just signed up with the email free-trial-user@mailnesia.com — can you verify if it's from a disposable or burner provider, and whether the domain actually has working mail records?"},{"title":"Pre-send deliverability check for outreach","prompt":"Before I send my email campaign, check if contact@acmecorp.io is a valid deliverable address — I need to know if the domain has MX records and a proper SPF or DMARC policy."},{"title":"Role account detection for lead qualification","prompt":"I'm reviewing a lead who gave us support@bigenterprise.com — is that a generic role account, and does the domain pass MX and DMARC validation?"}],"resultDescription":"Returns a structured object indicating whether the email address passes syntax checks, whether the domain is associated with a known disposable or burner provider, whether it is a role account (e.g. info@, admin@), and the live DNS status of MX, SPF, and DMARC records for the domain, enabling a holistic deliverability and risk assessment.","failureModes":["Missing or malformed email parameter returns a validation error","DNS lookup timeout for obscure or slow-resolving domains may return incomplete record data","Newly created domains may not yet have propagated MX/SPF/DMARC records, causing false negatives","Disposable provider lists may not cover brand-new throwaway services","Non-existent TLDs or obviously invalid addresses return syntax failure immediately"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, real-time email quality check combining syntax validation, disposable provider detection, role account flagging, and live DNS MX/SPF/DMARC lookups in a single call — particularly useful for user onboarding flows, lead qualification pipelines, or pre-send campaign screening where deliverability and fraud risk both matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:22:26.134Z","isFirstParty":false,"canonicalSlug":"domain-osint-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-78659ee3"}