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Strale MX Lookup
x402
Strale MX Lookup is a paid API for AI agents from api.strale.io, paid per call via x402, $0.0216/call, status unknown (last checked 2026-09-14).
Look up MX (Mail Exchange) DNS records for a given domain to verify email infrastructure and deliverability
Price / call$0.0216
Success—
StatusUnknown
How this service works
The trust layer for AI agents — 250+ independently tested data capabilities across 27 countries. Execute capabilities via REST, MCP, A2A, or x402 micropayments. Every call returns an audit record with cryptographic chain hashing.
Output
Returns the MX (Mail Exchange) DNS records for the queried domain, including mail server hostnames and their priority values, along with a Strale audit record containing a cryptographic chain hash for provenance verification.
Example use cases
Email deliverability pre-flight check
“Before we send our outreach campaign to leads at acme.com, can you check the MX records for acme.com to make sure their domain actually has working mail servers configured?”
Identify email hosting provider from domain
“I want to know which email provider a company is using — can you pull the MX records for notion.so and tell me if they're on Google Workspace, Microsoft 365, or something else?”
Validate vendor domain before onboarding
“We're about to onboard a new supplier whose contact email is @globalparts.net — can you check the MX records for globalparts.net to verify it's a real domain with functioning email infrastructure?”
Technical details
Endpoint
GEThttps://api.strale.io/x402/v2/mx-lookupWhen to prefer
Choose this endpoint when you need programmatically verified MX record data with an audit trail and cryptographic provenance hash — ideal for compliance workflows, agent pipelines requiring trust verification, or when you need to confirm email deliverability as part of a broader company/vendor validation flow. Prefer over raw DNS resolvers when auditability and structured JSON output matter.
Side effects
- Domain does not exist — returns empty or NXDOMAIN result
- Domain has no MX records configured — returns empty record set
- Malformed domain input — validation error on the domain query parameter
- DNS timeout or upstream resolver failure — service error response
- Rate limiting or payment failure — 402 or 429 response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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