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DNS SRV Record Lookup for TURNS (_turns._tcp)
x402
DNS SRV Record Lookup for TURNS (_turns._tcp) is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.008/call, status unknown (last checked 2026-10-02).
Looks up SRV records at _turns._tcp.{hostname} for TURNS (Traversal Using Relays around NAT with TLS) service discovery given a registrable domain name.
Price / call$0.008
Success—
StatusUnknown
How this service works
Call when an agent needs SRV records at _turns._tcp.{hostname} for TURNS. The caller sends the registrable domain, not the underscored name. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-turns first.
Output
Returns the SRV record set found at _turns._tcp.{hostname}, including priority, weight, port, and target fields for each record, enabling the caller to connect to the appropriate TURNS relay server.
Example use cases
WebRTC TURNS relay discovery
“I'm setting up a WebRTC application and need to find the TURNS relay servers configured for mycompany.com — can you look up the _turns._tcp SRV records for that domain?”
Diagnose missing TURNS configuration
“Can you check whether turns.example.org has any TURNS SRV records configured? I'm troubleshooting why our media relay isn't connecting.”
Automate TURNS endpoint inventory
“Pull the TURNS SRV records for voip-provider.net so I can add the relay endpoints to our network configuration.”
Technical details
Endpoint
POSThttps://agentshelf.syntexa.ch/v1/dns-srv-turns?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to programmatically discover TURNS relay server endpoints for a given domain via DNS SRV lookup, particularly in WebRTC, VoIP, or NAT traversal contexts. Prefer the free sandbox endpoint POST /v1/sandbox/dns-srv-turns first if available; use this paid endpoint when the sandbox is unavailable or production reliability is required.
Side effects
- Domain has no _turns._tcp SRV records configured — returns empty or NXDOMAIN result
- Invalid or malformed hostname input — validation error
- DNS resolution timeout or upstream DNS failure
- Hostname exceeds 253 characters or is empty — schema validation error
- Payment not provided or insufficient — HTTP 402 response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| hostname | string | Public DNS hostname such as example.com. Not a URL, not an IP literal, and not a private name. |
Tags
x402
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