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is-email-hosted-by-one-com
x402
is-email-hosted-by-one-com is a paid API for AI agents from email.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-24).
Checks whether a domain's email is hosted by One.com by looking up its MX records via Cloudflare DoH and matching them against One.com's known mail-exchanger patterns.
Price / call$0.01
Success—
StatusUnknown
How this service works
Is the domain's email hosted by one com? Looks up the MX records (Cloudflare DoH) and matches them against one-com'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 One.com, along with the full list of MX hosts discovered via Cloudflare DoH and which specific MX records matched One.com's known mail-exchanger patterns.
Example use cases
Pre-migration email provider audit
“I'm about to help migrate a client away from One.com — can you confirm whether theirshop.dk is actually hosted by One.com by checking the MX records?”
Sales prospecting email provider filter
“I'm targeting small businesses that use One.com for their email — can you check if nordichome.com is a One.com email customer?”
Deliverability investigation
“We're seeing bounce issues with mail sent to customercare@simplesite.com — can you check if that domain's email is hosted by One.com so I know which provider to investigate?”
Technical details
Endpoint
GEThttps://email.intel.rallylive.ca/email/hosted-by/one-com?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to programmatically determine whether a specific domain's email infrastructure is managed by One.com, particularly for sales prospecting (targeting One.com customers), pre-migration audits (confirming current provider), or deliverability investigations. Prefer this over generic MX lookup tools when you specifically need One.com detection logic already built in.
Side effects
- Domain does not exist or has no MX records — returns no match with empty MX list
- DNS lookup failure via Cloudflare DoH — may return an error or timeout
- Domain has MX records but none match One.com patterns — returns 'no' with unmatched hosts listed
- Invalid or malformed domain input — returns an error
- Payment not processed — returns 402 Payment Required
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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