{"uid":"cap_I6kphXcqIHkOv6_xAZ4Ln","slug":"is-email-hosted-by-microsoft-365-38cf5d42","name":"Is Email Hosted by Microsoft 365","description":"Is the domain's email hosted by microsoft 365? Looks up the MX records (Cloudflare DoH) and matches them against microsoft-365's mail-exchanger patterns, returning yes/no, the MX hosts and which matched. Provider detection for deliverability, sales and migration work. $0.01 per lookup.","url":"https://email.intel.rallylive.ca/email/hosted-by/microsoft-365?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_Fy1tZ_oXuMB58qQ58Gcbd","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":"Checks whether a domain's email is hosted by Microsoft 365 by looking up its MX records via Cloudflare DoH and matching against Microsoft 365 mail-exchanger patterns, returning a yes/no result with matched hosts.","exampleAgentPrompt":"Can you check if acmecorp.com has its email hosted by Microsoft 365? I need to know before we start our migration planning.","exampleUseCases":[{"title":"Pre-sales email provider profiling","prompt":"Before I reach out to prospects on my list, can you check if techstartup.io uses Microsoft 365 for their email? I want to tailor my pitch to their email platform."},{"title":"Migration readiness assessment","prompt":"We're planning to migrate clients over to Microsoft 365 — can you verify whether contoso.com is already on Microsoft 365 email hosting so we know which accounts to skip?"},{"title":"Deliverability and routing validation","prompt":"I'm troubleshooting email delivery to emails at fabrikam.net — can you check whether their domain is actually hosted on Microsoft 365 and show me which MX records matched?"}],"resultDescription":"Returns a yes/no answer indicating whether the domain's email is hosted by Microsoft 365, along with the full list of MX hosts discovered via Cloudflare DoH and the specific hosts that matched Microsoft 365 mail-exchanger patterns.","failureModes":["Domain does not exist or has no MX records — returns no match with empty MX host list","DNS lookup timeout or Cloudflare DoH unavailability — may return error or inconclusive result","Domain uses Microsoft 365 via a custom MX routing setup that doesn't match standard patterns — may return false negative","Invalid or malformed domain name input — returns error response"],"whenToPreferThis":"Choose this endpoint when you need a quick, low-cost ($0.01) programmatic check of whether a specific domain uses Microsoft 365 for email hosting, especially in sales intelligence, deliverability diagnostics, or pre-migration audits. Prefer it over manual MX record lookups or generic DNS tools when you need the Microsoft 365 pattern-matching logic built in. Use it alongside sibling endpoints for multi-provider email host detection workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:45:05.829Z","isFirstParty":false,"canonicalSlug":"is-email-hosted-by-microsoft-365-38cf5d42"}