{"uid":"cap_rPdZch1kLDnl_dE8DZMkC","slug":"domain-osint-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-d5562f91","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/spf-dmarc-auditor)","url":"https://domain-osint.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_m6GLGu_HeM2lKH8zCevpz","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/DMARC record presence.","exampleAgentPrompt":"Can you check whether john.doe@tempmail.org is a real, deliverable email address — flag if it's a disposable provider, a role account, or if the domain is missing MX, SPF, or DMARC records?","exampleUseCases":[{"title":"Screening signups for fake emails","prompt":"Before I activate this new user account, check whether signup@guerrillamail.com is a real deliverable address or a burner — also tell me if it's a role account or if the domain lacks proper MX/SPF/DMARC records."},{"title":"Pre-campaign email list hygiene","prompt":"I'm about to send an email blast — can you verify that contact@bigcorpinc.com is syntactically valid, has live MX records, and isn't flagged as a disposable or role address?"},{"title":"Domain email security audit","prompt":"Audit the email domain for support@myStartup.io — I need to know if they have SPF and DMARC DNS records set up properly, and whether the MX records are live and reachable."}],"resultDescription":"Returns a structured object indicating: email syntax validity, whether the domain is a known disposable/burner provider, whether the address is a role account (e.g. admin@, noreply@), and live DNS lookup results for MX, SPF, and DMARC records — enabling a full deliverability and security posture assessment for the given email address.","failureModes":["Missing or malformed email parameter returns a validation error","DNS lookup timeouts may prevent live MX/SPF/DMARC checks from completing","Unknown or newly registered domains may return incomplete DNS data","Private or internal domains may not resolve publicly","Payment failure (402) if x402 micropayment is not properly handled"],"whenToPreferThis":"Choose this endpoint when you need a single-call, comprehensive email verification that combines syntax checking, disposable/burner detection, role account flagging, and live DNS MX/SPF/DMARC auditing — especially useful for fraud prevention, user onboarding pipelines, B2B lead qualification, or pre-send email list hygiene. Prefer it over basic regex validators when real-time DNS deliverability and email security posture matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:14.175Z","isFirstParty":false,"canonicalSlug":"domain-osint-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-78659ee3"}