{"uid":"cap_J9SwKbC-zYKctt5Zf-Cy9","slug":"serp-extract-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-36548293","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://serp-extract.agentdiet.dev/v1/spf-dmarc-auditor)","url":"https://serp-extract.agentdiet.dev/v1/spf-dmarc-auditor?utm_source=zero.xyz","method":"POST","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_3j2594qXyvAeT9YEl-Kzo","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"serp-extract.agentdiet.dev","brandSlug":"serp-extract-agentdiet-dev-mpp","brandBaseUrl":"https://serp-extract.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.smith@acmecorp.com is a real, deliverable email — I want to know if it's from a disposable provider, whether it's a role address, and whether the domain has valid MX, SPF, and DMARC records?","exampleUseCases":[{"title":"Screening signups for burner emails","prompt":"We're getting a lot of fake signups — can you check if the email address user123@tempmail.io is from a disposable provider and whether it's actually deliverable?"},{"title":"Pre-send deliverability audit for sales outreach","prompt":"Before I send cold outreach to ceo@prospectco.com, can you verify the email is syntactically valid, not a role address, and that the domain has working MX records?"},{"title":"DNS compliance check for email domain","prompt":"Can you audit the email domain of marketing@bigbrand.com and tell me if they have SPF and DMARC DNS records properly configured?"}],"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@, support@), and live DNS lookup results for MX, SPF, and DMARC records including their presence and content.","failureModes":["Invalid or malformed email address input returns a syntax error","DNS lookup timeout if the domain's nameservers are unresponsive","Domain does not exist (NXDOMAIN), resulting in no MX/SPF/DMARC records found","Disposable provider database may not cover newly created burner services","Rate limiting or payment failure (HTTP 402) if USDC micropayment is not processed"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, all-in-one email validation that combines syntax checking, disposable/burner detection, role account identification, and live DNS MX/SPF/DMARC auditing in a single call — especially useful for lead enrichment pipelines, signup fraud prevention, or pre-outreach deliverability checks where multiple signals are needed simultaneously.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:32:31.792Z","isFirstParty":false,"canonicalSlug":"serp-extract-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-18768445"}