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B2A Email Deliverability, MX, SPF & DMARC Verifier
B2A Email Deliverability, MX, SPF & DMARC Verifier is a paid API for AI agents from domain-osint.agentdiet.dev, paid per call via MPP, $0.005/call, status unknown (last checked 2026-10-21).
Validates an email address for syntax correctness, disposable/burner provider status, role account detection, and live DNS MX/SPF/DMARC record checks.
Price / call$0.005
Success—
StatusUnknown
How this service works
Validates email syntax, disposable/burner provider status, role accounts, and live DNS MX/SPF/DMARC records. (Live x402 v2, IETF MPP & MCP endpoint at https://domain-osint.agentdiet.dev/v1/disposable-email)
Output
Returns a structured object indicating whether the email has valid syntax, whether the domain belongs to a known disposable/burner email provider, whether it is a role-based account (e.g. admin@, info@), and the live DNS status of MX, SPF, and DMARC records for the email domain — giving an overall deliverability risk assessment.
Example use cases
Screen signups for fake emails
“Before we add this new user to our CRM, can you verify whether the email they signed up with — freestuff99@guerrillamail.com — is disposable, a role account, or missing MX records?”
Pre-campaign deliverability audit
“I have a prospect email address — cfo@acmecorp.io — and I want to know if it's syntactically valid, whether the domain has working MX and SPF records, and if it's flagged as a burner provider before I send an outreach email.”
Detect risky role accounts in lead list
“Can you check whether sales@startup.xyz is a role-based email address and whether the domain has DMARC configured? I want to know the deliverability risk before emailing them.”
Technical details
Endpoint
GEThttps://domain-osint.agentdiet.dev/v1/disposable-email?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a combined, real-time check of email syntax, disposable provider risk, role account detection, and live DNS deliverability signals (MX, SPF, DMARC) in a single API call — especially in agentic or automated workflows where email quality gating is critical before outreach, onboarding, or list ingestion.
Side effects
- Missing or malformed email parameter returns validation error
- DNS lookup timeout if the domain's nameservers are unresponsive
- Unknown or very new domains may return incomplete DNS record data
- Disposable provider database may not cover all emerging burner services
- Payment required (HTTP 402) if x402 USDC balance is insufficient
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| emailrequired | string | Email address to validate for syntax, MX deliverability, and disposable risk |
Output
Schema · Response
{
"type": "object"
}Reviews
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