{"uid":"cap_bHV0pE7gWKs6qq6g749Mu","slug":"cve-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-9750e310","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://cve-intel.agentdiet.dev/v1/mx-check)","url":"https://cve-intel.agentdiet.dev/v1/mx-check?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_0ZdGUCHdvUPCN8GTOLoVB","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"cve-intel.agentdiet.dev","brandSlug":"cve-intel-agentdiet-dev-mpp","brandBaseUrl":"https://cve-intel.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Validates an email address for syntax correctness, disposable/burner provider detection, role account identification, and live DNS MX/SPF/DMARC record lookup.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email — specifically whether the domain has valid MX records, passes SPF and DMARC checks, and isn't from a disposable or burner email provider?","exampleUseCases":[{"title":"Pre-send campaign email hygiene","prompt":"Before we send our newsletter, can you verify that subscriber@tempmail.io is deliverable and not a throwaway address — check its MX, SPF, and DMARC records and flag it if it's disposable?"},{"title":"CRM lead quality gate","prompt":"We just got a new lead with the email noreply@bigcorp.com — can you check if it's a real deliverable address or a role account we shouldn't bother contacting, and whether the domain has proper MX and DMARC setup?"},{"title":"User signup fraud detection","prompt":"A new user signed up with user123@guerrillamail.com — can you tell me if that's a burner or disposable email provider and whether the domain actually has MX records so we know if it's worth trusting?"}],"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, and the live DNS lookup results for MX, SPF, and DMARC records, along with an overall deliverability assessment.","failureModes":["Missing or malformed email parameter returns a validation error","Domain has no MX records — email considered undeliverable","DNS lookup timeout if the domain's nameservers are slow or unresponsive","Unknown or newly registered disposable providers may not be flagged","Role account detection may produce false negatives for non-standard prefixes"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, real-time email deliverability check that goes beyond simple syntax validation — specifically when you need to detect disposable providers, verify live DNS MX/SPF/DMARC records, and identify role accounts in a single API call. Prefer it over basic regex validators when building lead qualification pipelines, signup fraud detection, or email campaign hygiene tools.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:46.748Z","isFirstParty":false,"canonicalSlug":"cve-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-015d6ec0"}