{"uid":"cap_bgYk3QnDafWQ57V_tMZbg","slug":"dns-cname-lookup-for-pop3-subdomain-via-cloudflare-doh-cfbfa39e","name":"DNS CNAME Lookup for pop3 Subdomain via Cloudflare DoH","description":"CNAME record of pop3.<domain>: looks up the pop3 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 pop3 without enumerating subdomains. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/host/pop3/cname?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_-c6s1mRyJMdgwEPiuHjFS","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 pop3.<domain> using Cloudflare DNS over HTTPS and returns whether it exists, its records, and TTL.","exampleAgentPrompt":"Check if pop3.gmail.com has a CNAME record configured — I want to know if it exists, what it points to, and what the TTL is.","exampleUseCases":[{"title":"Verify email server CNAME setup","prompt":"Does pop3.fastmail.com have a CNAME record? I need to know what hostname it points to and whether it's properly configured."},{"title":"Audit mail infrastructure for domain","prompt":"Can you check whether pop3.acmecorp.com exists as a CNAME in DNS? I'm auditing their email infrastructure and need to know if they have a POP3 endpoint."},{"title":"Troubleshoot POP3 connection failure","prompt":"My email client can't connect via POP3 to protonmail.com — can you look up whether pop3.protonmail.com has a CNAME record and what TTL it has?"}],"resultDescription":"Returns whether the pop3.<domain> CNAME record exists, the record data (target hostname it points to), the TTL value, and the DNS response code. If no CNAME record exists, reports its absence.","failureModes":["Domain does not exist — returns NXDOMAIN or empty record set","No CNAME record at pop3.<domain> — host exists but record type absent","Cloudflare DoH service unavailable — upstream DNS resolution failure","Invalid or malformed domain input — request error","Network timeout on DNS over HTTPS resolution"],"whenToPreferThis":"Use this endpoint when you need a quick, targeted check on whether a specific domain has a POP3 mail host configured as a CNAME, without needing to enumerate all subdomains. Prefer this over general DNS tools when you specifically want the CNAME record type for the pop3 subdomain and want Cloudflare's authoritative DoH response with TTL data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T18:55:23.715Z","isFirstParty":false,"canonicalSlug":"dns-cname-lookup-for-pop3-subdomain-via-cloudflare-doh-cfbfa39e"}