{"uid":"cap_PneubHUjptOIHqquImocQ","slug":"caldav-srv-dns-lookup-via-cloudflare-doh-320876ae","name":"CalDAV SRV DNS Lookup via Cloudflare DoH","description":"CALDAV service discovery (_caldav._tcp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's caldav service lives without guessing hosts. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/srv/caldav-tcp?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_YO78K90-bJyYtAfRAGhRv","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":"Resolves _caldav._tcp SRV DNS records for a domain to discover the host, port, priority, and weight of its CalDAV service.","exampleAgentPrompt":"Look up the CalDAV SRV record for example.com so I can find out which host and port their calendar service is running on.","exampleUseCases":[{"title":"Calendar client auto-configuration","prompt":"I'm setting up a CalDAV client for acmecorp.com — can you find their CalDAV SRV record so I know the right host and port to connect to?"},{"title":"IT audit of CalDAV service placement","prompt":"We're auditing our infrastructure — can you pull the _caldav._tcp SRV record for mybusiness.org and tell me the priority, weight, port, and target host it points to?"},{"title":"Diagnosing calendar sync failures","prompt":"Users are having trouble syncing their calendars with example.io — can you check the CalDAV SRV record for that domain to see if the service discovery record looks correct?"}],"resultDescription":"Returns SRV record data for the _caldav._tcp subdomain of the queried domain, including one or more records each containing priority, weight, port number, and target hostname — telling the caller exactly where to reach the domain's CalDAV service.","failureModes":["Domain has no _caldav._tcp SRV record — returns empty or NXDOMAIN response","Domain does not exist — DNS resolution failure","Cloudflare DoH upstream timeout or error — service temporarily unavailable","Malformed domain name input — invalid query","CalDAV SRV record exists but points to an unreachable host (returned as-is, no connectivity check)"],"whenToPreferThis":"Use this endpoint when you need to programmatically discover a domain's CalDAV service location without guessing hostnames, particularly when building calendar clients, automation workflows, or IT auditing tools. Prefer it over manual DNS lookups or generic DNS tools when you specifically need CalDAV (_caldav._tcp) SRV record resolution with structured output via Cloudflare's reliable DoH resolver.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T18:54:34.150Z","isFirstParty":false,"canonicalSlug":"caldav-srv-dns-lookup-via-cloudflare-doh-320876ae"}