{"uid":"cap_xipgjSLvUmoJNQvTX3MtR","slug":"domain-intel-whois-dns-tls-mail-policy-subdomains-via-x402-825cc314","name":"Domain Intel — WHOIS, DNS, TLS, Mail Policy & Subdomains 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-internetx?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_1Qhbgp9Esp94m1TvOH0XD","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 registration data, DNS records, mail policy (SPF/DMARC), TLS certificate details, and subdomain enumeration — billed per call in USDC over x402 with no API key required.","exampleAgentPrompt":"Pull a full domain intelligence report for stripe.com — I need the WHOIS info, all DNS records, SPF and DMARC mail policy, TLS certificate details, and any subdomains you can find.","exampleUseCases":[{"title":"Investigate a suspicious phishing domain","prompt":"I got a suspicious email from someone claiming to be my bank using the domain secure-bankofamerica-login.com — can you pull WHOIS, DNS, TLS cert, and mail policy details on that domain so I can see if it looks legit or malicious?"},{"title":"Audit email security posture of a vendor","prompt":"We're onboarding a new vendor at vendor-corp.io and I need to verify their email security setup — please check their SPF and DMARC records along with any other DNS and WHOIS info you can find."},{"title":"Detect DNS drift from a known baseline","prompt":"Yesterday I captured baseline DNS records for mycompany.com — here they are: [A 93.184.216.34, MX mail.mycompany.com, observed 2024-06-01T12:00:00Z]. Can you pull the current domain intel and tell me if anything has changed?"}],"resultDescription":"A comprehensive domain intelligence report including: WHOIS registration data (registrar, registrant, expiry dates), full DNS record set (A, AAAA, MX, NS, TXT, CNAME, etc.), mail policy records (SPF, DMARC, DKIM hints), TLS certificate metadata (issuer, validity, SANs), and a list of discovered subdomains. When a baseline is provided, the response can be used to identify drift from the prior snapshot.","failureModes":["Invalid or malformed domain name returns a validation error","Domain does not exist (NXDOMAIN) may return empty or partial results","Rate limiting or payment failure returns HTTP 402 if USDC balance is insufficient","WHOIS data may be redacted for privacy-protected registrations","Subdomain enumeration may be incomplete for domains with aggressive DNS wildcard configurations","TLS certificate data unavailable if domain has no HTTPS endpoint"],"whenToPreferThis":"Choose this endpoint when you need a single, all-in-one domain intelligence snapshot covering WHOIS, DNS, mail security policy, TLS, and subdomains without signing up for a separate service or managing an API key. It is ideal for ad-hoc, pay-as-you-go investigations where a subscription is overkill, and particularly useful for agents that need to autonomously pay per call via x402 USDC micropayments. Prefer it over specialized single-purpose DNS or WHOIS APIs when breadth of coverage per call matters more than depth in one dimension.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:25.792Z","isFirstParty":false,"canonicalSlug":"domain-intel-whois-dns-tls-mail-policy-subdomains-via-x402-825cc314"}