{"uid":"cap_AsE7DnxIZLFiDBahTVMy-","slug":"dns-a-record-lookup-for-sandbox-subdomain-bd74e56f","name":"DNS A Record Lookup for sandbox Subdomain","description":"A record of sandbox.<domain>: looks up the sandbox host under the domain you give (A via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like sandbox without enumerating subdomains. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/host/sandbox/a?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_fLRsKPZ_GQ8T-yuGMJ5LF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up the DNS A record for sandbox.<domain> via Cloudflare DoH and reports existence, IP records, and TTL.","exampleAgentPrompt":"Check if sandbox.acme.com exists in DNS — look up its A record and tell me the IP and TTL if it resolves.","exampleUseCases":[{"title":"Verify sandbox environment is live","prompt":"Does sandbox.stripe.com actually exist in DNS? I want to know if it resolves to an IP and what the TTL is."},{"title":"Pre-integration sandbox reachability check","prompt":"Before I configure my integration, can you check whether sandbox.mypaymentprovider.com has a valid A record so I know the sandbox environment is up?"},{"title":"Domain audit for sandbox subdomain","prompt":"I'm auditing example.com's DNS setup — can you check if the sandbox subdomain exists and report back the A record and TTL?"}],"resultDescription":"Returns whether sandbox.<domain> has an A record, the resolved IP address(es), and the TTL value, based on a Cloudflare DoH query.","failureModes":["Domain does not exist — NXDOMAIN response with no records","sandbox subdomain not configured — query returns empty answer section","Invalid domain format provided — malformed request error","Cloudflare DoH upstream timeout — transient lookup failure","Payment not made — 402 response requiring x402 payment of $0.01 USDC"],"whenToPreferThis":"Use this endpoint when you need a quick, targeted check for the sandbox subdomain on a given domain without enumerating all subdomains. It's ideal for pre-flight checks before API integrations, environment audits, or confirming sandbox infrastructure is live. Prefer this over general DNS tools when you specifically care about the sandbox host and want A record resolution via Cloudflare DoH.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T00:36:53.209Z","isFirstParty":false,"canonicalSlug":"dns-a-record-lookup-for-sandbox-subdomain-bd74e56f"}