{"uid":"cap_uVU0VyL5KsFm0zm4q2kC1","slug":"sec-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-f8e56531","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://sec-intel.agentdiet.dev/v1/email-check)","url":"https://sec-intel.agentdiet.dev/v1/email-check?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_DVpTGG7cDDydrcuzkElpr","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"sec-intel.agentdiet.dev","brandSlug":"sec-intel-agentdiet-dev-mpp","brandBaseUrl":"https://sec-intel.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 health.","exampleAgentPrompt":"Can you check if john.doe@example.com is a real, deliverable email address — flag if it's a disposable/burner provider, a role account, or if the domain is missing valid MX, SPF, or DMARC records?","exampleUseCases":[{"title":"SaaS signup fraud prevention","prompt":"Before we create an account for the email address signup@tempmail.io, can you check whether it's a throwaway or burner address and whether it has valid MX records? I want to block fake signups."},{"title":"Cold outreach list hygiene","prompt":"I'm about to send a cold email campaign to contact@bigcorpinc.com — can you verify the email is deliverable and that the domain has proper MX and SPF records so my emails won't bounce?"},{"title":"Email security posture audit","prompt":"Check whether the domain used by ceo@acmecorp.com has DMARC and SPF records configured properly — I need to know if their email infrastructure meets basic anti-spoofing standards."}],"resultDescription":"Returns a structured object indicating whether the email passes syntax validation, whether the provider is a known disposable/burner service, whether the address appears to be a role account (e.g. admin@, info@), and the live DNS status of MX, SPF, and DMARC records for the domain.","failureModes":["Missing or malformed email input returns a 400-level error","DNS lookup timeouts may occur for obscure or unreachable domains","Newly registered domains may lack MX/SPF/DMARC records and return empty DNS results","Disposable provider lists may not cover all burner services, leading to false negatives","Payment failure via x402 will block the request before validation occurs"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, single-call email health check that combines syntax validation, disposable/burner detection, role account flagging, and live DNS MX/SPF/DMARC verification. It is particularly useful for fraud prevention at signup, pre-send deliverability checks, and email security audits — situations where you need more than a simple regex check and want live DNS confirmation without building your own DNS resolver pipeline.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:37:44.391Z","isFirstParty":false,"canonicalSlug":"sec-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-71294769"}