{"uid":"cap_ep5AObDmdgUbN31M7JwFj","slug":"dns-txt-record-lookup-for-pop3-subdomain-c7e8cdbf","name":"DNS TXT Record Lookup for pop3 Subdomain","description":"TXT record of pop3.<domain>: looks up the pop3 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 pop3 without enumerating subdomains. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/host/pop3/txt?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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__3fL1ORepPOpbXEjwVjHS","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 TXT records for the pop3.<domain> subdomain via Cloudflare DNS over HTTPS and reports existence, record values, and TTL.","exampleAgentPrompt":"Can you check whether pop3.rallylive.ca has any TXT records set up in DNS, and tell me what they are along with the TTL?","exampleUseCases":[{"title":"Verify pop3 mail host configuration","prompt":"Check if pop3.example.com has any TXT records configured in DNS — I want to know if the pop3 subdomain is actually set up for that domain."},{"title":"Email infrastructure audit","prompt":"I'm auditing the mail setup for acmecorp.com — can you check whether their pop3 subdomain has TXT records in DNS and what those records say?"},{"title":"Monitor pop3 subdomain presence","prompt":"Has the pop3 subdomain for mydomain.net been added to DNS yet? Please check its TXT records and let me know the TTL if it exists."}],"resultDescription":"Returns whether the pop3.<domain> subdomain exists in DNS, its TXT record values, and the TTL of those records, as resolved by Cloudflare DNS over HTTPS.","failureModes":["Domain does not exist — returns NXDOMAIN or no records found","pop3 subdomain has no TXT records — returns empty record set","Malformed domain input causes lookup failure","Cloudflare DoH temporarily unavailable — request times out","Invalid or missing domain parameter"],"whenToPreferThis":"Use this endpoint when you need a targeted, fast existence check specifically for the pop3 subdomain's TXT records on a given domain without performing broad subdomain enumeration. Ideal for mail infrastructure audits, DNS configuration validation, or checking pop3 host presence for a known domain.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T00:49:42.406Z","isFirstParty":false,"canonicalSlug":"dns-txt-record-lookup-for-pop3-subdomain-c7e8cdbf"}