{"uid":"cap_A3NbjMU5T53kb9Ddg0DVL","slug":"cve-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-ac0d4994","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/spf-dmarc-auditor)","url":"https://cve-intel.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_mpn8dtUrGYDgjDpHANDuv","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 status, role account detection, and live DNS MX/SPF/DMARC record compliance.","exampleAgentPrompt":"Can you check whether john.doe@tempmail.xyz is a real, deliverable email address — flag whether it's from a disposable provider, a role account, and whether the domain has valid MX, SPF, and DMARC records?","exampleUseCases":[{"title":"SaaS signup fraud prevention","prompt":"Before creating an account for the user who just registered with signup@guerrillamail.com, check if that email is from a disposable or burner provider and whether it has live MX records."},{"title":"Email campaign pre-send audit","prompt":"I'm about to send a newsletter to newsletter@acmecorp.io — can you verify the domain has proper MX, SPF, and DMARC records so my emails won't bounce or get flagged as spam?"},{"title":"B2B lead list hygiene","prompt":"We scraped a lead with the email info@randomstartup.co — check if it's a role account, verify the domain's DNS deliverability records, and tell me if it's worth reaching out to."}],"resultDescription":"Returns a structured object indicating: email syntax validity, whether the domain uses a known disposable/burner provider, whether it is a role account (e.g. admin@, info@), live MX record presence and values, SPF record content and policy, and DMARC record presence and policy strength.","failureModes":["Invalid or malformed email input returns a syntax error response","DNS lookup timeout if the target domain is unreachable or slow to respond","Disposable provider list may not cover newly created throwaway domains","Missing or empty email field returns a validation error","Domain exists but has no MX record — reported as undeliverable rather than an error"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, single-call check combining email syntax validation, live DNS MX lookup, SPF/DMARC policy inspection, and disposable provider detection. It is preferable over a simple regex check when you need real-time DNS confirmation, or over a basic MX checker when you also need SPF/DMARC compliance and fraud signals like burner/role account flags.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:30:37.748Z","isFirstParty":false,"canonicalSlug":"cve-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-015d6ec0"}