{"uid":"cap_ECCbEtdam7Y9tg2vOPVlq","slug":"dns-a-record-lookup-for-beta-subdomain-cloudflare-doh-611028e9","name":"DNS A Record Lookup for beta Subdomain (Cloudflare DoH)","description":"A record of beta.<domain>: looks up the beta 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 beta without enumerating subdomains. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/host/beta/a?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_tjNjhHgbNzDppXyUkTFHd","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 (IPv4) record for the beta.<domain> subdomain via Cloudflare DNS over HTTPS and returns existence status, IP records, and TTL.","exampleAgentPrompt":"Can you check if beta.rallylive.ca has an A record — I want to know if the beta subdomain exists, what IP it points to, and what the TTL is?","exampleUseCases":[{"title":"Pre-deployment beta environment check","prompt":"Before I push to production, can you verify that beta.myapp.io actually resolves to an IP address via DNS? I need to know if the beta host is live."},{"title":"Third-party domain beta host audit","prompt":"I'm onboarding a new client at acmecorp.com — can you check if their beta subdomain has an A record set up and what IP it points to?"},{"title":"Troubleshooting beta site unreachable","prompt":"Our beta.techstartup.dev site is unreachable — can you do a DNS A record lookup on the beta subdomain and tell me if it resolves and what TTL is set?"}],"resultDescription":"Returns whether the beta.<domain> A record exists, the resolved IPv4 address(es), the TTL value, and the DNS response code (e.g. NOERROR or NXDOMAIN), sourced from Cloudflare DNS over HTTPS.","failureModes":["NXDOMAIN response if beta subdomain does not exist for the given domain","Invalid or malformed domain input returns an error","Domain with no DNS delegation may return SERVFAIL","Cloudflare DoH service downtime could cause lookup failure","Rate limiting or payment failure may block the request"],"whenToPreferThis":"Choose this endpoint when you need a fast, targeted existence and resolution check for specifically the 'beta' subdomain of a domain, without enumerating all subdomains. Ideal for DevOps pipelines, deployment checks, or auditing whether a beta environment is DNS-live. Prefer over general DNS tools when you want a paid, reliable, single-host check via Cloudflare's authoritative DoH resolver.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T18:54:21.942Z","isFirstParty":false,"canonicalSlug":"dns-a-record-lookup-for-beta-subdomain-cloudflare-doh-611028e9"}