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Domain Intel — WHOIS, DNS, TLS & Subdomain Lookup via x402
x402
Domain Intel — WHOIS, DNS, TLS & Subdomain Lookup via x402 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).
Given a domain name, returns WHOIS registration data, DNS records, mail policy (SPF/DKIM/DMARC), TLS certificate details, and subdomains — pay-per-call in USDC, no signup required.
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 report containing: WHOIS registration data (registrar, registrant, expiry dates), DNS records (A, MX, NS, TXT, CNAME, etc.), email security policy details (SPF, DKIM, DMARC), TLS/SSL certificate information (issuer, validity, SANs), and discovered subdomains. Optionally includes a diff against a provided DNS baseline snapshot.
Example use cases
Audit new vendor's domain security
“Before we onboard this vendor, can you check their domain securevendor.io — I need their WHOIS ownership info, DNS setup, whether they have proper SPF and DMARC configured, and what their TLS cert looks like?”
Investigate suspicious phishing domain
“We got a phishing report mentioning the domain paypa1-secure.com — can you pull full domain intel on it, including who registered it, all DNS records, subdomains, and TLS certificate details so we can assess the threat?”
Monitor DNS changes against baseline
“I have a baseline DNS snapshot for example.com recorded last Tuesday — can you run domain intel on example.com now and compare it against that baseline to see if anything has changed?”
Technical details
Endpoint
POSThttps://dns.halowerk.com/domain/articles/ns-combell?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a single-call, comprehensive domain intelligence snapshot covering WHOIS, DNS, mail policy, TLS, and subdomains together — without needing an API key or subscription. Ideal for on-demand agent workflows that investigate domains infrequently or at small scale, where pay-per-call USDC pricing is more cost-effective than a subscription. Prefer over manual multi-tool pipelines (separate WHOIS, dig, SSL-checker calls) when consolidation and convenience matter. The optional baseline comparison feature makes it especially useful for change-detection workflows.
Side effects
- Invalid or non-existent domain returns an error or empty result set
- Domain lookup timeout if the target domain's authoritative servers are unresponsive
- WHOIS data may be redacted for privacy-protected registrations (GDPR/RDAP)
- Payment failure via x402 if USDC balance is insufficient
- Subdomain enumeration may be incomplete depending on zone transfer availability
- Rate limiting or throttling if many calls are made in rapid succession
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| domain | string | |
| baseline | object |
Tags
x402
Reviews
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