{"uid":"cap_KreCfw6pNQwOZcGWqVgRx","slug":"domain-intel-whois-dns-tls-subdomain-lookup-via-x402-eab087a6","name":"Domain Intel — WHOIS, DNS, TLS & Subdomain Lookup via x402","description":"Domain in, WHOIS, DNS, mail policy, TLS certificate and subdomains out. Pay per call in USDC over x402. No signup, no API key.","url":"https://dns.halowerk.com/domain/articles/ns-cloudns?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"domain":{"type":"string","maxLength":253},"baseline":{"type":"object","required":["domain","observed_at","records"],"properties":{"domain":{"type":"string","maxLength":253},"records":{"type":"array","items":{"type":"string","maxLength":254},"maxItems":50},"observed_at":{"type":"string","maxLength":40}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.009","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.009/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.009","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.009","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_6GYeGIlEbH3lPEngLL8si","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.009","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Given a domain name, returns WHOIS, DNS records, mail policy (SPF/DKIM/DMARC), TLS certificate details, and subdomains — paid per call in USDC via x402, no signup required.","exampleAgentPrompt":"Pull a full domain intelligence report on example.com — I need the WHOIS info, all DNS records, SPF/DMARC mail policy, TLS certificate details, and any subdomains you can find.","exampleUseCases":[{"title":"Security audit before vendor onboarding","prompt":"Before we onboard acmecorp.com as a vendor, can you pull their full domain intel — WHOIS ownership, DNS records, mail policy like SPF and DMARC, and their TLS certificate status?"},{"title":"Detect DNS drift from known baseline","prompt":"I have a baseline snapshot of records for clientsite.net from last Tuesday — can you check if anything has changed in the DNS records since then?"},{"title":"Email deliverability troubleshooting","prompt":"Our emails from startup.io keep landing in spam — can you pull the full mail policy records including SPF, DKIM, and DMARC for startup.io so I can see what's misconfigured?"}],"resultDescription":"Returns a comprehensive domain intelligence object including WHOIS registration data, full DNS record set, mail policy records (SPF, DKIM, DMARC), TLS/SSL certificate details including issuer and expiry, and a list of discovered subdomains. When a baseline is provided, may also surface detected changes relative to that snapshot.","failureModes":["Domain not found or unresolvable — likely returns empty or error payload","Invalid domain format exceeding 253 characters — schema validation rejection","Payment failure via x402 — call not processed if USDC payment not confirmed","Rate limiting or upstream WHOIS/DNS resolver unavailability — transient errors","Private/redacted WHOIS data — registration info may be minimal due to GDPR redaction","Baseline mismatch if observed_at or records are malformed"],"whenToPreferThis":"Choose this endpoint when you need a single-call aggregation of domain intelligence across WHOIS, DNS, mail policy, TLS, and subdomains without signing up for an account or managing API keys. Ideal for agents that need pay-per-use pricing in USDC via x402, especially for ad hoc or infrequent domain lookups where subscription-based services like SecurityTrails or WhoisXML API are overkill. Best when you want a combined multi-signal view rather than hitting separate WHOIS, DNS, and certificate APIs individually.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:16.370Z","isFirstParty":false,"canonicalSlug":"domain-intel-whois-dns-tls-subdomain-lookup-via-x402-323ca60a"}