{"uid":"cap_-VHVsOAlUFMLIIhTHaKgG","slug":"ipv4-fr-dns-lookup-api-8f6cddb2","name":"ipv4.fr DNS Lookup 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/dns/%7Bdomain%7D?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object","required":["domain"],"properties":{"domain":{"type":"string","description":"Domain name"}}},"queryParams":{"type":"object","properties":{"types":{"type":"string","description":"Comma separated record types: A,AAAA,MX,TXT,CNAME,NS,SOA"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"A":["93.184.215.14"],"MX":[{"exchange":"mail.example.com","priority":10}],"domain":"example.com"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_7OAuiNZ2Z1L426wnXc7mx","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs DNS record lookups for a given domain, returning A, AAAA, MX, TXT, CNAME, NS, and SOA records.","exampleAgentPrompt":"Can you look up the DNS records for github.com — specifically the A, MX, and TXT records?","exampleUseCases":[{"title":"Email deliverability configuration check","prompt":"Look up the MX and TXT DNS records for sendgrid.com so I can verify SPF and DKIM are properly configured."},{"title":"Website IP address resolution","prompt":"What's the A record IP address for shopify.com? I need to know which server it's pointing to."},{"title":"Domain name server audit","prompt":"Fetch the NS and SOA records for cloudflare.com — I want to audit who's authoritative for their DNS."}],"resultDescription":"A JSON object keyed by DNS record type (e.g. A, MX, TXT, CNAME, NS, SOA), each containing an array of resolved values. For MX records, includes exchange hostname and priority. The domain name queried is also returned in the response.","failureModes":["Domain does not exist — returns empty or error response","Invalid domain format — may return 400 or empty results","Requested record type not found — returns empty array for that type","DNS propagation delays — may return stale or missing records","Network timeout reaching upstream DNS resolvers"],"whenToPreferThis":"Choose this endpoint when you need a quick, programmatic DNS lookup without standing up your own resolver. It is especially useful for verifying DNS configuration, checking email routing (MX records), or resolving IPs in automated workflows. At $0.002/call it is cost-effective for on-demand lookups. Prefer it over generic WHOIS tools when the specific need is structured DNS record data rather than registrar ownership information.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:35:47.898Z","isFirstParty":false,"canonicalSlug":"ipv4-fr-dns-lookup-api-8f6cddb2"}