{"uid":"cap_KkpBbOzyQVoyconJAmpBg","slug":"email-domain-dns-validation-classification-23909b88","name":"Email Domain DNS Validation & Classification","description":"Validate and classify an email DOMAIN from public DNS: MX hosts + mail-provider, SPF and DMARC policy, plus disposable / free-webmail / role-account flags and a deliverability signal. No SMTP probing of individual mailboxes (privacy + ToS).","url":"https://payai.agentstools.dev/enrich/email","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"email":{"type":"string","description":"Email address (its domain is checked)"},"domain":{"type":"string","description":"Alternative input: the email domain directly"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","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":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_p3S9mdOMNzGhlpNkUFjtX","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates and classifies an email domain via public DNS: checks MX hosts, mail provider, SPF/DMARC policies, and flags disposable/free-webmail/role-account status with a deliverability signal.","exampleAgentPrompt":"Can you check whether the domain for 'contact@acmecorp.io' is legitimate — I want to know if it has proper MX records, SPF and DMARC policies set up, and whether it's flagged as a disposable or free-webmail provider before I add it to our mailing list?","exampleUseCases":null,"resultDescription":"Returns MX host details, identified mail provider, SPF and DMARC policy text and verdicts, and boolean flags for disposable domain, free webmail service, and role-account pattern, plus an overall deliverability signal — all derived from public DNS without SMTP probing.","failureModes":["Domain does not exist in DNS — returns not-found or NXDOMAIN indicator","Domain has no MX records — deliverability signal reflects undeliverable","Malformed email or domain input — returns validation error","Transient DNS lookup failure — may return timeout or partial result","Rate limiting or payment failure — 402 or 429 response"],"whenToPreferThis":"Use this endpoint when you need fast, privacy-safe email domain validation without SMTP probing — ideal for pre-screening leads, validating sign-up emails, filtering disposable addresses, or checking mail infrastructure compliance before outreach. Prefer over full SMTP verification when ToS compliance or user privacy is a concern.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:39:31.582Z","isFirstParty":false}