{"uid":"cap_cNgQR4uF5Olnp6PVeTRLR","slug":"ipv4-fr-domain-audit-api-afd0c1b2","name":"ipv4.fr Domain Audit API","description":"Fast, reliable network tools API. IP geolocation, DNS lookup, SSL check, WHOIS, email validation, port scan. Free tier available.","url":"https://ipv4.fr/x402/v1/audit/%7Bdomain%7D?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"cached":false,"checks":{"dns":{},"tls":{},"email":{},"https":{},"blacklists":[],"registration":{}},"domain":"example.com","report":{"grade":"C","score":72,"summary":"Valid TLS but no DMARC and missing HSTS.","findings":[{"fix":"_dmarc.example.com TXT \"v=DMARC1; p=quarantine; rua=mailto:dmarc@example.com\"","title":"No DMARC record","detail":"Anyone can spoof mail from this domain.","category":"email","severity":"high"}],"strengths":["Valid TLS certificate"]}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_itDxdmsffd65fkbOAdMCC","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs a comprehensive security audit of a domain, checking DNS, TLS/SSL, HTTPS, email configuration (DMARC/SPF), and blacklists, then returns a graded report with actionable findings.","exampleAgentPrompt":"Can you run a full security audit on example.com and tell me what grade it gets, whether it has DMARC and HSTS set up, and what I need to fix?","exampleUseCases":[{"title":"Pre-launch domain security check","prompt":"Before we go live, can you audit the domain mycompany.com and tell me if there are any critical security issues — especially around email spoofing protection and TLS?"},{"title":"Investigating email deliverability problems","prompt":"Our emails from newsletter.acme.com keep landing in spam — can you audit that domain and see if DMARC, SPF, or blacklist issues are the cause?"},{"title":"Security compliance review for client domain","prompt":"I need a security grade report for clientsite.io — check their DNS, TLS certificate, HTTPS configuration, and whether they're on any blacklists, and give me a summary of what needs fixing."}],"resultDescription":"A JSON report containing: a letter grade (e.g. 'C') and numeric score (0-100), a plain-English summary, a list of findings with severity, category, detail, and specific fix instructions, a list of strengths, plus raw check results for DNS, TLS, HTTPS, email, and blacklists. Indicates whether the result was served from cache.","failureModes":["Invalid or non-existent domain returns error or empty check results","Network timeout if domain DNS is unresponsive","Blacklist check may be partial if external blacklist providers are unavailable","Cached results may not reflect very recent domain changes","Payment failure if USDC balance is insufficient for the $0.05 per-call fee"],"whenToPreferThis":"Choose this endpoint when you need a holistic, graded security audit of a domain in a single call — covering DNS, TLS, email security (DMARC/SPF), HTTPS/HSTS, and blacklists simultaneously. Prefer it over individual point-checks when you need an actionable remediation report with severity-ranked findings rather than raw record lookups.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:36:12.609Z","isFirstParty":false,"canonicalSlug":"ipv4-fr-domain-audit-api-afd0c1b2"}