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CalDAV SRV DNS Lookup via Cloudflare DoH
x402
CalDAV SRV DNS Lookup via Cloudflare DoH is a paid API for AI agents from dns.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-22).
Resolves _caldav._tcp SRV DNS records for a domain to discover the host, port, priority, and weight of its CalDAV service.
Price / call$0.01
Success—
StatusUnknown
How this service works
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.
Output
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.
Example use cases
Calendar client auto-configuration
“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?”
IT audit of CalDAV service placement
“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?”
Diagnosing calendar sync failures
“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?”
Technical details
Endpoint
GEThttps://dns.intel.rallylive.ca/dns/srv/caldav-tcp?utm_source=zero.xyzWhen to prefer
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.
Side effects
- 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)
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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