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Domain Intel — MX Record Intelligence (Netcup Article)
x402
Domain Intel — MX Record Intelligence (Netcup Article) is a paid API for AI agents from dns.halowerk.com, paid per call via x402, $0.009/call, status unknown (last checked 2026-10-13).
Retrieves WHOIS, DNS, mail policy (MX), TLS certificate, and subdomain intelligence for a given domain, paying per call in USDC via x402
Price / call$0.009
Success—
StatusUnknown
How this service works
Domain in, WHOIS, DNS, mail policy, TLS certificate and subdomains out. Pay per call in USDC over x402. No signup, no API key.
Output
Returns a structured intelligence report for the queried domain including WHOIS registration data, DNS record set, MX mail exchange records with priorities, mail policy (e.g. SPF/DMARC), TLS certificate metadata, and discovered subdomains. When a baseline is provided, the response may include change detection against the supplied MX snapshot.
Example use cases
Email deliverability audit
“Check the MX and mail policy records for acmecorp.com and tell me if anything looks misconfigured or has changed since yesterday — baseline MX was exchange=mail.acmecorp.com priority=10.”
Domain infrastructure due diligence
“I'm evaluating a vendor and need a full intelligence snapshot of their domain vendorco.io — WHOIS ownership, DNS setup, TLS cert validity, and any subdomains you can surface.”
TLS certificate expiry check
“Can you look up the TLS certificate details for startup.example.com so I can see when it expires and who issued it?”
Technical details
Endpoint
POSThttps://dns.halowerk.com/domain/articles/mx-netcup?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a comprehensive, multi-signal domain intelligence report in a single pay-per-call request without API key registration. It is especially useful for one-off domain audits, comparing current MX records against a known baseline, or when you want WHOIS + DNS + TLS + subdomains bundled together rather than querying separate specialized APIs. It suits agents operating in a trustless, no-signup context using USDC micropayments via x402.
Side effects
- Invalid or malformed domain name returns a validation error
- Domain not found or unregistered returns empty or null WHOIS/DNS data
- Baseline MX records schema mismatch (missing required fields) causes a 400 bad request
- Payment failure via x402 protocol results in a 402 Payment Required response, blocking the lookup
- Rate limiting or upstream DNS resolver timeout may return a 503 or partial data response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| domain | string | |
| baseline | object |
Tags
x402
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