Agent Utility Network / Utility
check email domain
Check an email domain for public MX/A/AAAA mail-routing signals without claiming mailbox verification.
email.domain_check · $0.002 per call · x402 V2 · Base USDC
Acquisition mode: acquire_demand SEO focus #6
Use this API when An agent needs public DNS evidence that the domain portion of an email has MX or address records.
Do not use it when The task requires mailbox existence verification or SMTP probing.
Search and agent intents check email domain check email mx validate email domain dns check mail routing
Common aliases email domain check mx check mail domain check
Example requests Check whether user@example.com has public mail-routing DNS signals.
Output contract Returns public MX/A/AAAA signals and explicitly does not claim mailbox or SMTP verification.
Purchase Call the endpoint without payment first. AUN returns the canonical x402 payment requirement. An x402-compatible agent can sign and retry the same request.
POST https://agent-utility-network.frosty-sound-4560.workers.dev/v1/paid/email-domain-check?source=utility-seo-page
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