{"uid":"cap_r6tSoLThaPnlXZyCPUvFN","slug":"dns-aaaa-record-lookup-for-pop3-subdomain-1b85465e","name":"DNS AAAA Record Lookup for pop3 Subdomain","description":"AAAA record of pop3.<domain>: looks up the pop3 host under the domain you give (AAAA via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like pop3 without enumerating subdomains. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/host/pop3/aaaa?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_9webcuuQL23COZArvmgyn","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 AAAA (IPv6) DNS record for the pop3 subdomain of a given domain using Cloudflare DNS over HTTPS, returning existence status, records, and TTL.","exampleAgentPrompt":"Can you check whether pop3.example.com has an IPv6 address configured in DNS — I want to know if that subdomain exists and what its AAAA record and TTL look like?","exampleUseCases":[{"title":"Email server IPv6 audit","prompt":"Check if pop3.acmecorp.com has an AAAA record in DNS — I'm auditing our mail infrastructure to make sure the POP3 server is IPv6-reachable."},{"title":"Pre-migration connectivity check","prompt":"Before we migrate our mail clients to IPv6, can you verify whether pop3.mybusiness.net is set up with an AAAA record and what its TTL is?"},{"title":"Third-party domain mail host verification","prompt":"I need to confirm that pop3.vendordomain.com actually exists in DNS with an IPv6 record — can you do a quick AAAA lookup for that subdomain?"}],"resultDescription":"Returns whether the pop3.<domain> AAAA record exists, the IPv6 address(es) in the record, the TTL value, and the DNS response code (e.g. NOERROR, NXDOMAIN) as resolved by Cloudflare DoH.","failureModes":["Domain does not exist — NXDOMAIN response returned with no records","pop3 subdomain not configured — NOERROR but empty answer section","Invalid or malformed domain input — request may fail or return an error","Cloudflare DoH upstream timeout or unavailability — lookup may time out","Domain has only A (IPv4) records, not AAAA — response will show no AAAA records"],"whenToPreferThis":"Use this endpoint when you specifically need to check the IPv6 (AAAA) DNS record for the pop3 subdomain of a domain — ideal for email infrastructure audits, IPv6 readiness checks, or quickly verifying whether a POP3 mail host exists without doing full subdomain enumeration. Prefer this over generic DNS tools when you want a targeted, single-host check resolved via Cloudflare's trusted DoH resolver.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T18:55:54.095Z","isFirstParty":false,"canonicalSlug":"dns-aaaa-record-lookup-for-pop3-subdomain-1b85465e"}