{"uid":"cap_DAiQrSih7fw4z4k-240T9","slug":"dns-txt-cdn-subdomain-e6a8bad8","name":"dns-txt-cdn-subdomain","description":"TXT record of cdn.<domain>: looks up the cdn host under the domain you give (TXT via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like cdn without enumerating subdomains. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/host/cdn/txt?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_BPhjVsqTKZJ5OJfeF9k7q","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 TXT DNS record for the cdn.<domain> subdomain via Cloudflare DoH and reports existence, record values, and TTL.","exampleAgentPrompt":"Check if there's a TXT record on the cdn subdomain for shopify.com — I want to know if it exists, what the record says, and what the TTL is.","exampleUseCases":[{"title":"Verify CDN subdomain DNS setup","prompt":"Does netlify.com have a cdn subdomain? Can you check the TXT record on cdn.netlify.com and tell me what it says and how long the TTL is?"},{"title":"Pre-deployment CDN configuration check","prompt":"Before we go live, can you confirm that cdn.ourstartup.io has a TXT record set up in DNS? I need to know if it exists and what value it has."},{"title":"Competitor CDN infrastructure reconnaissance","prompt":"I'm researching how competitors configure their CDN — can you look up the TXT record on the cdn subdomain for stripe.com and report back what you find?"}],"resultDescription":"Returns whether the cdn.<domain> subdomain has a TXT record, the record value(s) if present, the TTL, and the DNS response status — all resolved via Cloudflare DNS over HTTPS.","failureModes":["Domain does not exist — NXDOMAIN response with no records","cdn subdomain has no TXT record — empty result or NOERROR with no answer","Cloudflare DoH unavailable — upstream timeout or HTTP error","Invalid domain format provided — request fails or returns error","Rate limiting or payment failure — 402 response if payment not processed"],"whenToPreferThis":"Use this endpoint when you need a quick, targeted check on whether a domain has a cdn subdomain configured with TXT records, without running a full subdomain enumeration. Ideal for DNS reconnaissance, infrastructure validation, or CDN setup verification when you specifically need the cdn host and TXT record type. Prefer this over general DNS tools when you want a low-cost ($0.01), single-purpose lookup routed through Cloudflare DoH for reliability.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T18:53:33.319Z","isFirstParty":false,"canonicalSlug":"dns-txt-cdn-subdomain-e6a8bad8"}