{"uid":"cap_Zh86-9w8b1fpGhwsCqpLz","slug":"pennyrail-dns-a-record-lookup-de428a71","name":"PennyRail DNS A-Record Lookup","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/p/network/dns.a--a-record","method":"POST","headers":{},"bodySchema":{"type":"object","required":["input"],"properties":{"input":{"type":"string"}}},"responseSchema":{"type":"object","additionalProperties":true},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_n4TEu_Ml48rJQoPPHH1uF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Resolves a hostname to its DNS A record (IPv4 address) via a paid machine-readable settlement service","exampleAgentPrompt":"Can you look up the DNS A record for api.example.com and tell me what IPv4 address it resolves to?","exampleUseCases":[{"title":"Verify deployment IP for domain","prompt":"What IP address does staging.myapp.io currently resolve to? I want to confirm the DNS A record matches our new server after the migration."},{"title":"Diagnose routing issue for service","prompt":"Look up the A record for payments.acmecorp.com — I need the raw IPv4 address to check if it's pointing to the right load balancer."},{"title":"Monitor DNS propagation after update","prompt":"Can you check the current A record for blog.mybrand.net? I updated the DNS an hour ago and want to see if the new IP has propagated yet."}],"resultDescription":"Returns a JSON object containing the resolved IPv4 address(es) and associated DNS A record data for the queried hostname, such as IP address values and potentially TTL or record metadata.","failureModes":["Invalid or malformed hostname input returns an error","Non-existent domain with no A record may return empty or error response","Network timeout if upstream DNS resolver is unreachable","Payment failure via x402 prevents the request from being processed","Domain has only AAAA (IPv6) records and no A record, resulting in empty result"],"whenToPreferThis":"Use this endpoint when you need a quick, programmatic DNS A-record lookup and are operating in an x402 micropayment-enabled environment. It is suitable for agents that need to resolve hostnames to IPv4 addresses on demand without managing their own DNS resolver infrastructure. At $0.003 per call it is cost-effective for occasional lookups but may not be ideal for high-volume bulk resolution tasks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:43:43.522Z","isFirstParty":false}