{"uid":"cap_pahlCbg175X-NU_hw6VBO","slug":"domain-intel-halowerk-dns-intelligence-api-3034fecb","name":"Domain Intel — Halowerk DNS Intelligence API","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-one-com?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_0XytGTtLndSpIuSji7_sl","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 (A, AAAA, MX, NS, TXT, CAA, SOA), mail policy (SPF/DKIM/DMARC), TLS certificate details, and subdomains, paid per call in USDC via x402.","exampleAgentPrompt":"Can you pull full domain intelligence for stripe.com — I need the WHOIS, all DNS records, mail policy, TLS certificate info, and any subdomains you can find?","exampleUseCases":[{"title":"Audit new vendor domain security","prompt":"Before we integrate with this vendor, can you run a full domain audit on acmecorp.io — I want their WHOIS owner info, DNS records, whether their SPF and DMARC are properly configured, and their TLS cert details?"},{"title":"Detect DNS changes from baseline","prompt":"I recorded acmecorp.io's DNS records last week — here are the baseline records I saved. Can you check the domain again now and flag anything that has changed since then?"},{"title":"Investigate suspicious domain","prompt":"I got a phishing email from someone claiming to be from payments-secure-bank.net — can you look up that domain's WHOIS, DNS, mail policy, and TLS certificate so I can figure out if it's legit or fake?"}],"resultDescription":"Returns a comprehensive domain intelligence report including: WHOIS registry data (registrant, registrar, expiry), DNS records (A, AAAA, MX, NS, TXT, CAA, SOA), mail policy analysis (SPF, DKIM, DMARC), TLS/SSL certificate details, and discovered subdomains.","failureModes":["Invalid or non-existent domain name — returns error with no records","WHOIS data unavailable for certain TLDs — partial response without WHOIS","Payment not completed via x402 — 402 Payment Required response before data is returned","Rate limiting or temporary upstream DNS resolver failures","Domain input exceeds 253 character limit — validation error","TLS certificate unavailable for domains without HTTPS — partial response"],"whenToPreferThis":"Choose this endpoint when you need a single-call, comprehensive domain intelligence bundle (WHOIS + DNS + mail policy + TLS + subdomains) without signing up for an account or managing API keys. Ideal for ad-hoc domain audits, security investigations, or automated enrichment pipelines that pay per query in USDC. Prefer it over dedicated DNS resolvers when you need the full cross-section of domain metadata in one request.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:14.907Z","isFirstParty":false,"canonicalSlug":"domain-intel-halowerk-dns-intelligence-api-3034fecb"}