{"uid":"cap_RAPvEp4JfKD4FTW_Coi4I","slug":"dns-a-record-lookup-for-assets-subdomain-via-cloudflare-doh-83110bcf","name":"DNS A Record Lookup for assets Subdomain via Cloudflare DoH","description":"A record of assets.<domain>: looks up the assets 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 assets without enumerating subdomains. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/host/assets/a?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_695nWn1lp9FMhaip6MpGz","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":"Resolves the A record for the assets.<domain> subdomain using Cloudflare DNS over HTTPS, returning existence status, IP records, and TTL.","exampleAgentPrompt":"Can you check if the assets subdomain exists for example.com and tell me what IP address it resolves to and its TTL?","exampleUseCases":[{"title":"Verify CDN subdomain before deployment","prompt":"Before I push my new CDN config, can you check if assets.mybrand.com has a valid A record and what IP it's pointing to?"},{"title":"Audit third-party asset host existence","prompt":"I need to know if assets.acmecorp.com actually resolves to an IP — can you look up its DNS A record and tell me whether the host exists and what TTL it has?"},{"title":"Security recon on domain asset infrastructure","prompt":"Can you check whether assets.targetsite.io has an A record set up — I want to know if they're serving static assets from a dedicated host and what address it resolves to?"}],"resultDescription":"Returns whether the assets.<domain> subdomain exists, its A record IP address(es), the TTL of the record, and the DNS response code indicating resolution success or failure.","failureModes":["Domain does not exist — NXDOMAIN response returned with no records","assets subdomain not configured — no A record found for assets.<domain>","Invalid domain input — malformed domain name causes lookup failure","Cloudflare DoH upstream timeout or outage — no response or error returned","Network connectivity issue between service and Cloudflare DoH resolver"],"whenToPreferThis":"Use this endpoint when you need a quick, targeted existence check and IP resolution specifically for the assets subdomain of a given domain, without enumerating all subdomains. It is ideal for infrastructure audits, pre-deployment checks, or security recon where you want to confirm whether a domain serves static assets from a dedicated host. Prefer this over generic A record lookups when the subdomain of interest is specifically 'assets'.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T18:55:07.424Z","isFirstParty":false,"canonicalSlug":"dns-a-record-lookup-for-assets-subdomain-via-cloudflare-doh-83110bcf"}