{"uid":"cap_ZtczV8LVUbYShUe3d1kMP","slug":"dns-cname-lookup-for-mx1-subdomain-ac5bb868","name":"DNS CNAME Lookup for mx1 Subdomain","description":"CNAME record of mx1.<domain>: looks up the mx1 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 mx1 without enumerating subdomains. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/host/mx1/cname?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_qpdE4eGXMnSua_jFCVeLu","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 of the mx1 subdomain under a given domain via Cloudflare DNS-over-HTTPS and returns existence status, records, and TTL.","exampleAgentPrompt":"Can you check if mx1.acme.com has a CNAME record set up — I want to know whether the mx1 mail host exists under that domain and what it points to?","exampleUseCases":[{"title":"Email infrastructure pre-flight check","prompt":"Before we migrate email for techcorp.io, can you check whether mx1.techcorp.io has a CNAME record and what its TTL is?"},{"title":"Domain due diligence during acquisition","prompt":"I'm evaluating acquiring startup.co — can you look up whether mx1.startup.co exists as a CNAME record so I can understand their mail setup?"},{"title":"Automated onboarding mail host verification","prompt":"We just onboarded clientbrand.com — can you confirm whether mx1.clientbrand.com has a CNAME record configured so we know their mail routing is in place?"}],"resultDescription":"Returns whether the mx1.<domain> CNAME record exists, the CNAME record value(s) it resolves to, and the TTL of the record, as answered by Cloudflare DoH.","failureModes":["Domain does not exist — NXDOMAIN response with no records","mx1 subdomain has no CNAME record (may have A/AAAA instead) — empty CNAME result","Malformed domain input — request may fail or return an error","Cloudflare DoH service timeout or unavailability — upstream error","Rate limiting or payment failure for the $0.01 per-call fee"],"whenToPreferThis":"Use this endpoint when you need a fast, targeted existence check for the mx1 mail host CNAME record under a specific domain without enumerating all subdomains. Prefer it over general DNS tools when you specifically need CNAME data for the mx1 host and want a simple paid, low-latency API call backed by Cloudflare DoH.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:47.014Z","isFirstParty":false,"canonicalSlug":"dns-cname-lookup-for-mx1-subdomain-ac5bb868"}