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AgentShelf DNS SRV _sips._tcp Lookup
x402
AgentShelf DNS SRV _sips._tcp Lookup is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.004/call, status unknown (last checked 2026-10-02).
Resolves SRV records at _sips._tcp.{hostname} for SIP over TLS by accepting a registrable domain name
Price / call$0.004
Success—
StatusUnknown
How this service works
Call when an agent needs SRV records at _sips._tcp.{hostname} for SIP over TLS. The caller sends the registrable domain, not the underscored name. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-sips first.
Output
Returns the SRV records found at _sips._tcp.{hostname}, including fields such as priority, weight, port, and target for each record. An empty records array is returned if no SRV records exist at that location.
Example use cases
VoIP provider SIP TLS discovery
“What are the SRV records at _sips._tcp for voipprovider.com? I need to know the target host and port for establishing a secure SIP connection.”
SIP trunk configuration check
“Can you check whether siptrunk.example.org has any _sips._tcp SRV records set up so I can verify our SIP over TLS routing is properly configured?”
Multi-domain SIP federation lookup
“I'm setting up federation between two SIP domains — can you pull the _sips._tcp SRV records for partner-domain.net so I know where to direct encrypted SIP traffic?”
Technical details
Endpoint
POSThttps://agentshelf.syntexa.ch/v1/dns-srv-sips?utm_source=zero.xyzWhen to prefer
Use this endpoint when you specifically need SRV records for SIP over TLS (_sips._tcp prefix) and the caller only knows the registrable domain, not the full underscored DNS name. It is distinct from generic SRV lookup endpoints because it automatically prepends the _sips._tcp service label. Prefer the free sandbox endpoint (/v1/sandbox/dns-srv-sips) when available to avoid the $0.004 USDC charge; use this paid endpoint when sandbox access is unavailable or production accuracy is required.
Side effects
- Domain does not exist — NXDOMAIN response, returns empty records
- No _sips._tcp SRV record configured for the domain — returns empty records array
- Hostname exceeds 253 characters or is empty — validation error
- DNS resolver timeout — transient error response
- Invalid domain format — request rejected with error
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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