{"uid":"cap_EjFu0_qKz_CVio2n79ocA","slug":"dns-a-record-lookup-dns-use-x402atlas-com-d5ae2307","name":"DNS A Record Lookup – dns.use.x402atlas.com","description":"DNS A record lookup — resolve any hostname or domain to its IPv4 addresses, returned as a clean JSON list. For host resolution, connectivity and uptime checks, IP-reputation enrichment and infrastructure mapping.","url":"https://dns.use.x402atlas.com/a","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"},"queryParams":{"type":"object","required":["host"],"properties":{"host":{"type":"string","maxLength":253,"minLength":1,"description":"Bare hostname to resolve (not an IP literal, not localhost, not under a reserved suffix like .local/.internal)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["host","records","queried_at"],"properties":{"host":{"type":"string","description":"The queried hostname"},"records":{"type":"array","items":{"type":"string"},"description":"IPv4 addresses (A records)"},"queried_at":{"type":"string","format":"date-time","description":"UTC timestamp of the lookup"}}}}}}},"responseSchema":{"type":"json","example":{"host":"example.com","records":["93.184.216.34"],"queried_at":"2026-06-05T12:00:00Z"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_8XuSPTnKkpwIT7v5XsC3c","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Resolves a hostname or domain name to its IPv4 addresses via a DNS A record lookup, returning results as fast JSON.","exampleAgentPrompt":"What IPv4 addresses does github.com resolve to? Do a DNS A record lookup and give me the results.","exampleUseCases":null,"resultDescription":"A JSON object containing the resolved IPv4 addresses for the queried hostname, returned as DNS A records.","failureModes":["Hostname does not exist or has no A records — returns empty or error response","Malformed hostname input — likely returns a 400 or validation error","Payment not included or insufficient — returns 402 Payment Required","DNS timeout or upstream resolver failure — returns 5xx or timeout error"],"whenToPreferThis":"Use this endpoint when you need to quickly resolve a hostname to its IPv4 address(es) in a programmatic, agent-friendly JSON format. Prefer this over shell tools or raw DNS resolvers when operating in an agentic workflow that supports x402 micropayments. Pair with the sibling WHOIS, MX, and TXT endpoints on the same service for comprehensive DNS intelligence.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:30:51.237Z","isFirstParty":false}