{"uid":"cap__ZBrUPUrLF9GwgZ0GOkH7","slug":"domain-intel-mx-mailbox-org-pay-per-call-mx-record-intelligence-e7d60325","name":"Domain Intel MX Mailbox Org — Pay-Per-Call MX Record Intelligence","description":"Domain in, WHOIS, DNS, mail policy, TLS certificate and subdomains out. Pay per call in USDC over x402. No signup, no API key.","url":"https://dns.halowerk.com/domain/articles/mx-mailbox-org?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"domain":{"type":"string","maxLength":253},"baseline":{"type":"object","required":["domain","observed_at","records"],"properties":{"domain":{"type":"string","maxLength":253},"records":{"type":"array","items":{"type":"object","required":["exchange","priority"],"properties":{"exchange":{"type":"string","maxLength":254},"priority":{"type":"integer","maximum":65535,"minimum":0}},"additionalProperties":false},"maxItems":50},"observed_at":{"type":"string","maxLength":40}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.009","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":"$0.009/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.009","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.009","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_mW9S940g9ZF4wdSEZqsVf","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.009","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns MX record intelligence for a domain, including mail exchange hosts, priorities, and optionally compares against a baseline snapshot, paid per-call in USDC via x402.","exampleAgentPrompt":"Look up the current MX records for articles.mx-mailbox.org and compare them against my baseline snapshot from 2024-11-01 where the exchange was mail.mx-mailbox.org with priority 10.","exampleUseCases":[{"title":"Email deliverability audit for domain","prompt":"Can you check the MX records for sendgrid.net and tell me which mail exchange servers are configured and what their priorities are?"},{"title":"Detect MX record drift since last check","prompt":"I recorded MX records for acmecorp.com on 2024-09-15 — the exchange was smtp.acmecorp.com at priority 5. Can you pull the current MX records and tell me if anything has changed?"},{"title":"Verify mail routing before cutover","prompt":"We're migrating our mail for bigenterprise.io — can you confirm that the MX records currently point to inbound.proofpoint.com with priority 10, so I know the DNS cutover has propagated?"}],"resultDescription":"The agent receives structured MX record data for the queried domain, including the list of mail exchange hostnames and their associated priority values. If a baseline is provided, the response includes a comparison indicating whether records have changed, been added, or removed since the baseline observation timestamp.","failureModes":["Invalid or malformed domain name returns a validation error","Domain does not exist or has no MX records returns empty or not-found response","Baseline schema mismatch (missing required fields) causes a 400-level error","x402 payment failure or insufficient USDC balance prevents the call from completing","Network timeout reaching authoritative DNS servers may return a transient error"],"whenToPreferThis":"Choose this endpoint when you need MX-specific mail exchange record data for a domain and want no-signup, pay-per-call access via x402 USDC micropayment. It is ideal for one-off or infrequent lookups where maintaining an API subscription is unnecessary, or for agents that need to compare current MX state against a known historical baseline to detect drift. Prefer it over general DNS APIs when the use case is narrowly focused on mail routing configuration.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:40:57.023Z","isFirstParty":false,"canonicalSlug":"domain-intel-mx-mailbox-org-pay-per-call-mx-record-intelligence-e7d60325"}