Anatomy
Each response redirects to the same URL — a misconfigured canonical redirect or an HTTP→HTTPS loop through a proxy. Correct clients bound redirect counts and surface the error; broken ones follow forever or crash. curl -L maxes at 50 by default; does your client?
Replay it
curl -i https://faultydata.com/r/FD-2026-020
// response appears here
Signature
{Status:302 Headers:map[Location:/r/FD-2026-020] Body:{"redirect":"/r/FD-2026-020"} Corrupt: Delay:<nil> Flaky:<nil> Sequence:<nil> Drip:<nil> StallAfter:0 Hang:false Phases:[]}