{"uid":"cap_oGYXBz7GPjtohEkyYccRb","slug":"dns-cname-support-subdomain-5d659e28","name":"dns-cname-support-subdomain","description":"CNAME record of support.<domain>: looks up the support host under the domain you give (CNAME via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like support without enumerating subdomains. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/host/support/cname?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_CTAb2FS9Hs8d-67l9tEnD","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 CNAME record for the support subdomain of a given domain via Cloudflare DNS-over-HTTPS and reports whether it exists, its records, and TTL.","exampleAgentPrompt":"Can you check if support.acme.com has a CNAME record configured — I want to know if the support subdomain exists and what it points to.","exampleUseCases":[{"title":"Verify helpdesk subdomain before onboarding","prompt":"Before we onboard this customer, can you check if their domain example.com has a support subdomain CNAME set up and what it resolves to?"},{"title":"Audit support routing for SaaS tenant","prompt":"I need to confirm that support.mycloudapp.io has a CNAME record — can you look it up and tell me the TTL and where it points?"},{"title":"Diagnose missing support subdomain issue","prompt":"Our support portal seems unreachable — can you check if there's a CNAME record for support.ourcompany.net or if the subdomain is missing entirely?"}],"resultDescription":"Returns whether the support.<domain> CNAME record exists, the CNAME target(s), and the TTL value. If the record does not exist, reports absence. Data is fetched in real time via Cloudflare DoH.","failureModes":["Domain does not have a support CNAME record — returns not-found or empty record set","Invalid or malformed domain name causes lookup failure","Cloudflare DoH upstream timeout or resolution error","Domain does not exist at all — NXDOMAIN response"],"whenToPreferThis":"Use this endpoint when you need a fast, single-subdomain existence check specifically for the 'support' host under a domain, without needing to enumerate all subdomains. Prefer over generic DNS tools when you want a targeted CNAME check with minimal overhead and pay-per-lookup pricing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:14.333Z","isFirstParty":false,"canonicalSlug":"dns-cname-support-subdomain-5d659e28"}