RSS feed importer
Submit a feed URL to import. The importer fetches it in the background and only ever replies "queued" — you never see the response. Prove the request actually fires.
Your out-of-band collaborator host
6a32dcb16d8677a4.oob.uncrypt-collab.test
Any request that reaches this host (or a subdomain of it) is logged for you.
This is an isolated, intentionally-vulnerable sandbox. Data here is fake and scoped to you. The rest of Uncrypt Playground is not part of the target.