{"uid":"cap_l5dsEpX5ZaMhXrf1jlLLA","slug":"dns-a-record-lookup-for-id-subdomain-via-cloudflare-doh-160221ce","name":"DNS A Record Lookup for id Subdomain via Cloudflare DoH","description":"A record of id.<domain>: looks up the id 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 id without enumerating subdomains. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/host/id/a?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_yAm27vA7ndpqTz2UL3Gie","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 A record of the id.<domain> host using Cloudflare DNS over HTTPS and reports existence, IP records, and TTL.","exampleAgentPrompt":"Can you check whether id.example.com has a DNS A record — does it resolve to any IP, and what's the TTL?","exampleUseCases":[{"title":"Verify identity portal subdomain existence","prompt":"Check if id.acmecorp.com has an A record — I want to know if they're running an identity or SSO portal on that subdomain."},{"title":"Pre-deployment DNS check","prompt":"Before I launch, can you confirm that id.myapp.io is resolving correctly to an IP via DNS? Tell me what A records and TTL come back."},{"title":"Competitive domain intelligence","prompt":"I'm researching competitors — can you check whether id.rival-startup.com exists as a DNS A record and what IP it points to?"}],"resultDescription":"Returns whether the id.<domain> A record exists, any resolved IPv4 addresses, the TTL of the record, and the DNS response code (e.g. NOERROR or NXDOMAIN) as answered by Cloudflare DNS over HTTPS.","failureModes":["Domain does not exist or id subdomain has no A record — returns NXDOMAIN response","Invalid or malformed domain name input — may return an error or empty result","Cloudflare DoH service unavailability — request may time out","Missing required input parameter — API returns a 4xx error","Rate limiting or payment failure — request rejected with 402"],"whenToPreferThis":"Use this endpoint when you need a quick, targeted existence check for the id host specifically under a given domain, without enumerating all subdomains. It's ideal for identity/SSO portal discovery, pre-deployment validation, or domain intelligence workflows where you want Cloudflare's reliable DoH infrastructure for A record resolution.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:32.404Z","isFirstParty":false,"canonicalSlug":"dns-a-record-lookup-for-id-subdomain-via-cloudflare-doh-160221ce"}