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H323CS TCP SRV Record Lookup via Cloudflare DoH
x402
H323CS TCP SRV Record 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 2026-10-18).
Returns SRV records for the H.323 Call Signaling (_h323cs._tcp) service of a given domain via Cloudflare DNS over HTTPS.
Price / call$0.01
Success—
StatusUnknown
How this service works
H323CS service discovery (_h323cs._tcp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's h323cs service lives without guessing hosts. $0.01 per lookup.
Output
Returns DNS SRV record data for _h323cs._tcp.<domain> including one or more records each with priority, weight, port number, and target hostname, along with the TTL and DNS response code, as resolved by Cloudflare's DNS over HTTPS service.
Example use cases
VoIP infrastructure discovery for a domain
“I need to find the H.323 call signaling server for voipcompany.com — can you look up its _h323cs._tcp SRV record and tell me the target host, port, priority and weight?”
Verifying H.323 DNS configuration
“We just set up H.323 call signaling for our company domain corp.example.com — can you check the _h323cs._tcp SRV record to confirm it's pointing to the right server with the correct port?”
Troubleshooting H.323 connection failures
“Our H.323 calls to partner.org keep failing — can you pull the SRV record for _h323cs._tcp on partner.org so I can see where it's supposed to connect?”
Technical details
Endpoint
GEThttps://dns.intel.rallylive.ca/dns/srv/h323cs-tcp?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to discover an H.323 Call Signaling service endpoint for a specific domain via DNS SRV lookup, particularly when you want results from Cloudflare's 1.1.1.1 resolver with privacy-preserving DNS over HTTPS. Prefer this over manual DNS tools when automating VoIP infrastructure discovery or verifying H.323 configuration in an agent workflow.
Side effects
- Domain has no _h323cs._tcp SRV record configured (NXDOMAIN or empty answer)
- Domain does not exist (NXDOMAIN)
- Cloudflare DoH upstream timeout or unavailability
- Malformed or missing domain input parameter
- DNS SERVFAIL due to broken zone configuration
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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