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SPF Authorizes Proton Check
x402
SPF Authorizes Proton Check 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 SPF record explicitly authorizes Proton Mail to send email on its behalf, returning a yes/no result, the matching SPF mechanism, and the full raw record.
Price / call$0.01
Success—
StatusUnknown
How this service works
Does the domain's SPF record authorise proton to send its mail? Reads the SPF TXT record (Cloudflare DoH) and checks for proton's include/ip mechanisms, returning yes/no, the matching mechanism and the full record. Confirms a vendor integration is wired for deliverability, or spots an unexpected sender. $0.01 per lookup.
Output
Returns a yes/no boolean indicating whether Proton Mail is authorized, the specific SPF mechanism that matched (e.g. include:_spf.protonmail.ch), and the complete raw SPF TXT record retrieved via Cloudflare DNS-over-HTTPS.
Example use cases
Confirm Proton Mail vendor integration
“We just set up Proton Mail for outbound email on our domain startupco.io — can you verify that our SPF record actually authorizes Proton Mail to send, and show me the matching mechanism?”
Spot unauthorized Proton Mail sender
“I got an email that appears to come from protonmail on behalf of partnerco.com — can you check if their SPF record actually permits Proton Mail to send their mail, or is this suspicious?”
Pre-launch deliverability audit
“Before we go live, can you confirm that the SPF record for our domain brandnew.org includes Proton Mail's sending servers so our emails won't end up in spam?”
Technical details
Endpoint
GEThttps://email.intel.rallylive.ca/email/spf-authorizes/proton?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you specifically need to verify Proton Mail authorization in a domain's SPF policy — for example, confirming a Proton Mail vendor integration is deliverability-ready, auditing outbound email configuration, or investigating whether a Proton Mail sender is legitimately authorized by a domain's DNS policy. Prefer this over generic SPF checkers when the Proton-specific authorization decision is the key question.
Side effects
- Domain has no SPF TXT record — returns no authorization and empty record
- Domain does not exist or DNS lookup fails — DNS resolution error
- SPF record exists but contains no Proton-related mechanisms — returns no with full record
- Malformed SPF record that cannot be parsed — may return error or inconclusive result
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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