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PennyRail DNS CNAME Lookup
x402
PennyRail DNS CNAME Lookup is a paid API for AI agents from pennyrail.vercel.app, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).
Performs a DNS CNAME record lookup for a given domain name and returns the canonical name chain
Price / call$0.001
Success—
StatusUnknown
How this service works
Machine-readable settlement service
Output
Returns the DNS CNAME record response for the queried domain, including the canonical name (alias target) and potentially the full CNAME chain, formatted as a JSON object.
Example use cases
Verify CDN CNAME configuration
“Check the CNAME record for static.mybrand.com — I need to confirm it's still pointing to our Cloudflare CDN endpoint.”
Debug subdomain routing issue
“Can you look up the CNAME for mail.acmecorp.io? I'm trying to figure out why our email subdomain isn't resolving correctly.”
Audit third-party service integrations
“Resolve the CNAME for tracking.shopsite.com — I want to see which analytics provider that subdomain is aliased to.”
Technical details
Endpoint
POSThttps://pennyrail.vercel.app/api/p/nano/dns.records--cname-lookupWhen to prefer
Use this endpoint when you need a quick, paid-API DNS CNAME resolution without managing your own DNS resolver infrastructure. Prefer this over general-purpose DNS APIs when you are already operating within the PennyRail/x402 micropayment ecosystem and want per-call billing at $0.001 USDC. Useful for agents that need on-demand DNS lookups as part of domain validation or infrastructure auditing workflows.
Side effects
- Domain has no CNAME record (returns empty or null result)
- Invalid or malformed hostname input causes a query error
- DNS resolution timeout if upstream nameservers are slow
- Non-existent domain (NXDOMAIN) returns an error or empty response
- Payment failure via x402 protocol prevents request from being processed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Output
Schema · Response
{
"type": "object",
"additionalProperties": true
}Tags
x402
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