{"uid":"cap_pzBQGM92HBzGGX63ia53g","slug":"mx-record-lookup-0ee2c310","name":"MX Record Lookup","description":"MX record lookup: the mail exchanger hosts for a domain with priorities, the detected mail provider (Google Workspace, Microsoft 365, Zoho, Proton...), null-MX detection, and whether the domain accepts email at all. Email routing and provider identification. $0.01 per domain.","url":"https://intel.rallylive.ca/mx-lookup","method":"GET","headers":{},"bodySchema":{"type":"object","$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"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xxZfN1L670M1uN5Dpqcin","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up MX records for a domain, identifies the mail provider (e.g. Google Workspace, Microsoft 365, Zoho, Proton), detects null-MX, and determines whether the domain accepts email.","exampleAgentPrompt":"What mail provider does acme.com use, and does it actually accept email? Look up its MX records and tell me the hosts and priorities.","exampleUseCases":[{"title":"Email provider identification for outreach","prompt":"Before I send a cold email campaign to contacts at stripe.com, can you check what email provider they use — Google Workspace, Microsoft 365, or something else — and confirm the domain actually accepts email?"},{"title":"Null-MX detection for email validation","prompt":"I'm about to add noreply@somedomain.io to our mailing list — can you check if that domain has a null-MX record or otherwise doesn't accept email, so I don't waste a send?"},{"title":"Mail routing audit for a new partner","prompt":"We're setting up an email integration with partnercorp.com and need to know their mail exchanger hosts, their priority order, and which email provider is handling their mail — can you look that up?"}],"resultDescription":"Returns the MX records for the domain (hostname and priority for each mail exchanger), the detected mail provider (e.g. Google Workspace, Microsoft 365, Zoho, Proton, or unknown), a null-MX flag indicating if the domain explicitly rejects email, and a boolean indicating whether the domain accepts email at all.","failureModes":["Domain does not exist (NXDOMAIN) — returns no MX records and email-acceptance false","Domain has no MX records but is not null-MX — treated as no email acceptance","Network or DNS resolver timeout — may return an error or empty result","Unrecognized mail provider — provider field returns null or 'unknown'","Invalid domain format in query parameter — returns validation error"],"whenToPreferThis":"Choose this endpoint when you need email-routing-specific intelligence beyond a generic DNS lookup — specifically when you want mail provider identification (Google Workspace vs Microsoft 365 vs Zoho etc.), null-MX detection, or a clear yes/no on whether a domain accepts email. Prefer it over a full DNS lookup endpoint when you only care about email routing, as it returns pre-parsed, provider-labeled output rather than raw DNS records.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:50:29.270Z","isFirstParty":false}