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AgentShelf DNS SRV Sieve Lookup
x402
AgentShelf DNS SRV Sieve Lookup is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.008/call, status unknown (last checked 2026-10-19).
Resolves SRV records at _sieve._tcp.{hostname} for the ManageSieve protocol, given a registrable domain name
Price / call$0.008
Success—
StatusUnknown
How this service works
Call when an agent needs SRV records at _sieve._tcp.{hostname} for ManageSieve. The caller sends the registrable domain, not the underscored name. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-sieve first.
Output
Returns the SRV record data found at _sieve._tcp.{hostname}, including the priority, weight, port number, and target hostname of the ManageSieve server. If no record exists, an appropriate error or empty response is returned.
Example use cases
Email client sieve server discovery
“My email client needs to connect to the ManageSieve server for fastmail.com — can you look up the SRV record so I know the host and port to use?”
Automated mail filter setup
“I'm setting up sieve filtering for users on company.com — can you resolve the _sieve._tcp SRV record for company.com so my script knows which server to connect to?”
Debugging ManageSieve connectivity
“We're having trouble connecting to the ManageSieve service for mailbox.org — can you pull the SRV record for that domain so I can check if it's configured correctly?”
Technical details
Endpoint
POSThttps://agentshelf.syntexa.ch/v1/dns-srv-sieve?utm_source=zero.xyzWhen to prefer
Use this endpoint when an agent needs to discover the ManageSieve server for a given email domain via DNS SRV lookup. It abstracts the underscored SRV naming convention (_sieve._tcp) so the caller only needs to supply the plain registrable domain. Prefer the free sandbox endpoint (/v1/sandbox/dns-srv-sieve) for testing before incurring the $0.008 USDC charge on this paid endpoint.
Side effects
- Domain does not have a _sieve._tcp SRV record — returns empty or not-found response
- Invalid hostname input (malformed or exceeding 253 characters) — returns validation error
- DNS resolution failure or timeout — returns error indicating lookup could not complete
- Payment failure — request rejected before DNS lookup is attempted
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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