{"uid":"cap_c4zMN0rZUrmKujU6dJCzM","slug":"dns-a-checkout-subdomain-1b9ed98f","name":"dns-a-checkout-subdomain","description":"A record of checkout.<domain>: looks up the checkout 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 checkout without enumerating subdomains. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/host/checkout/a?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_CauPbTmxOrZbHEt_vhtmz","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 checkout.<domain> via Cloudflare DNS over HTTPS and reports existence, IP records, and TTL.","exampleAgentPrompt":"Can you check if the checkout subdomain of shopify.com exists in DNS and what IP address it resolves to?","exampleUseCases":[{"title":"Verify checkout subdomain before launch","prompt":"Before we go live, can you confirm that checkout.mybrand.com has an A record set up and tell me what IP it points to?"},{"title":"Debug missing checkout page","prompt":"Our customers are getting errors on checkout — can you check if checkout.acmecorp.com is resolving correctly in DNS right now?"},{"title":"Competitor infrastructure recon","prompt":"I want to know if competitor.com has a dedicated checkout subdomain set up — can you look up whether checkout.competitor.com has an A record?"}],"resultDescription":"Returns whether checkout.<domain> has an A record in DNS, the resolved IP address(es), the TTL, and the DNS response code indicating existence or NXDOMAIN/NOERROR status.","failureModes":["Domain does not have a checkout subdomain (NXDOMAIN response)","Invalid or malformed domain input","Cloudflare DoH upstream timeout or unavailability","Payment failure for the $0.01 USDC per lookup fee"],"whenToPreferThis":"Use this endpoint when you need a fast, cheap existence-and-resolution check specifically for the checkout subdomain of a domain, without enumerating all subdomains. Prefer it over generic DNS tools when you already know you want the checkout host and want a pre-scoped, single-query answer via Cloudflare DoH.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:32.661Z","isFirstParty":false,"canonicalSlug":"dns-a-checkout-subdomain-1b9ed98f"}