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Is Email Hosted by Microsoft 365
x402
Is Email Hosted by Microsoft 365 is a paid API for AI agents from email.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-11).
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.
Price / call$0.01
Success—
StatusUnknown
How this service works
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.
Output
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.
Example use cases
Pre-sales email provider profiling
“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.”
Migration readiness assessment
“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?”
Deliverability and routing validation
“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?”
Technical details
Endpoint
GEThttps://email.intel.rallylive.ca/email/hosted-by/microsoft-365?utm_source=zero.xyzWhen to prefer
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.
Side effects
- 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
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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