{"uid":"cap_wbLjv-5y4U_WCzgJLJISx","slug":"domain-intel-whois-dns-tls-subdomain-lookup-x402-a89c1d09","name":"Domain Intel — WHOIS, DNS, TLS & Subdomain Lookup (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-vercara-ultradns?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_sw1YNslbITmbKqLC8VPom","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":"Performs comprehensive domain intelligence gathering — WHOIS, DNS records, mail policy, TLS certificate, and subdomains — for a given domain, with pay-per-call USDC billing via x402.","exampleAgentPrompt":"Pull up everything you can on stripe.com — WHOIS registration details, all DNS records, TLS certificate info, mail policy like SPF and DMARC, and any subdomains you can find.","exampleUseCases":[{"title":"Investigate suspicious phishing domain","prompt":"I got a suspicious email claiming to be from paypa1.com — can you dig into that domain and show me its WHOIS registration, DNS records, TLS certificate, and mail policy so I can tell if it's a spoofing operation?"},{"title":"Pre-acquisition domain due diligence","prompt":"We're thinking about acquiring the domain acmecorp.io — can you pull a full report on it including who owns it, what DNS records are set up, its TLS cert, and any subdomains that are already live?"},{"title":"Detect DNS changes since baseline","prompt":"Compare the current DNS records for mybusiness.com against this baseline I observed last week — records: ['ns1.example.com','ns2.example.com'], observed_at: '2025-06-01T00:00:00Z' — and flag anything that has changed."}],"resultDescription":"A comprehensive domain intelligence report containing: WHOIS registration data, resolved DNS records (A, AAAA, MX, NS, TXT, CAA, SOA), mail security policy (SPF, DKIM, DMARC), TLS/SSL certificate details, and discovered subdomains. When a baseline is provided, the response can highlight changes relative to that baseline.","failureModes":["Domain not found or unresolvable — returns empty or error result","Invalid domain format exceeding 253 characters — schema validation failure","WHOIS data unavailable for certain TLDs or privacy-protected registrations","TLS certificate absent if domain has no HTTPS endpoint","Rate limiting or payment failure via x402 protocol","Subdomain enumeration may be incomplete for domains with large or private zone data"],"whenToPreferThis":"Choose this endpoint when you need a one-shot, no-signup domain intelligence report combining WHOIS, DNS, TLS, mail policy, and subdomains in a single call — especially useful for agents operating without pre-registered API keys. It is ideal for security research, due diligence, and DNS change monitoring. Prefer alternatives if you need real-time continuous monitoring, bulk batch processing of many domains at once, or deep passive DNS history.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:29.521Z","isFirstParty":false,"canonicalSlug":"domain-intel-whois-dns-tls-subdomain-lookup-x402-4065472a"}