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Foundry SPF Record Checker
x402
Foundry SPF Record Checker is a paid API for AI agents from minty-sprout.onrender.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-11-01).
Checks a domain's SPF record, returning the full record text, includes, DNS lookup count, all-mechanism policy, and validation flags.
Price / call$0.001
Success—
StatusUnknown
How this service works
SPF record checker: the SPF record, includes, DNS lookup count and all-mechanism policy for a domain. Input: a domain.
Output
Returns a JSON object with: the domain, human-readable policy summary (e.g. 'fail (strict)'), the raw SPF record string, a boolean indicating if SPF exists, a list of included domains, the DNS lookup count, the all-mechanism value (e.g. '-all'), and boolean flags for multiple SPF records and exceeding the 10-lookup limit.
Example use cases
Email deliverability audit
“Check the SPF record for our domain acme.com — I want to know the full record text, what services are included, and whether we're getting close to the 10 DNS lookup limit.”
Strict SPF policy verification
“Does shopify.com have a hard-fail SPF policy? Check its SPF record and tell me what the all-mechanism is set to.”
Debugging missing SPF record
“I'm having email deliverability issues with myfancystartup.io — can you check whether it even has an SPF record set up?”
Technical details
Endpoint
POSThttps://minty-sprout.onrender.com/v1/spf-check?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a structured, parsed breakdown of a domain's SPF configuration including DNS lookup count validation and include chain — ideal for email security audits, deliverability debugging, or automated compliance checks. Prefer this over raw DNS tools when you need the all-mechanism policy and lookup-limit analysis pre-computed.
Side effects
- Domain does not exist or has no DNS records — has_spf returns false
- Domain has multiple SPF records — multiple_records flag set to true, which is an SPF misconfiguration
- DNS lookup count exceeds 10 — too_many_lookups flag set to true indicating a broken SPF setup
- Invalid domain string input — may return an error or empty result
- Network timeout during DNS resolution — service may return an error response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | string | A domain |
Output
Schema · Response
{
"type": "json",
"example": {
"domain": "coinbase.com",
"policy": "fail (strict)",
"record": "v=spf1 include:amazonses.com include:_spf.google.com -all",
"has_spf": true,
"includes": [
"amazonses.com",
"_spf.google.com"
],
"dns_lookups": 3,
"all_mechanism": "-all",
"multiple_records": false,
"too_many_lookups": false
}
}Tags
x402
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