{"uid":"cap_wkFAfRngMANYO8DYyPLfG","slug":"dns-a-record-lookup-for-video-subdomain-via-cloudflare-doh-f95143da","name":"DNS A Record Lookup for video Subdomain via Cloudflare DoH","description":"A record of video.<domain>: looks up the video 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 video without enumerating subdomains. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/host/video/a?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_Zx2w5VgpPAoOs1hG3vHfm","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(s) for the video.<domain> subdomain using Cloudflare DNS over HTTPS and returns existence status, IP records, and TTL.","exampleAgentPrompt":"Can you check whether the video subdomain exists for example.com and tell me what IP addresses it resolves to?","exampleUseCases":[{"title":"Verify video CDN subdomain before streaming setup","prompt":"Before we configure our video streaming pipeline, can you check if video.brightcorp.io has an A record and what IP it points to?"},{"title":"Audit competitor video infrastructure","prompt":"I want to know if video.competitorsite.com exists and where it's hosted — can you look up its DNS A record?"},{"title":"Validate video subdomain after DNS migration","prompt":"We just migrated DNS for ourdomain.net — can you confirm that video.ourdomain.net is resolving correctly and show me its current A records and TTL?"}],"resultDescription":"Returns the A record lookup result for video.<domain>, including whether the subdomain exists, its IP address records, TTL value, and the DNS response code from Cloudflare's DoH resolver.","failureModes":["Domain does not exist — NXDOMAIN response with no records returned","video subdomain not configured — empty answer section with NOERROR","Invalid or malformed domain input — may return an error or empty result","Cloudflare DoH temporarily unavailable — request timeout or upstream error","Rate limiting or payment failure — 402 or 429 response"],"whenToPreferThis":"Use this endpoint when you need a quick, targeted existence check for the video subdomain of a specific domain without doing full subdomain enumeration. It is ideal when you already know the host pattern you care about (video.*) and want a lightweight, paid-per-call DNS lookup via Cloudflare's reliable DoH infrastructure rather than running your own DNS queries.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T18:53:54.693Z","isFirstParty":false,"canonicalSlug":"dns-a-record-lookup-for-video-subdomain-via-cloudflare-doh-f95143da"}