# What broke on 2025-10-04

- Incidents: 4 at 4 providers; major outages: 0
- Downtime: 1d

## Worst
- **ngrok**: [Connection issues with endpoints](https://down.guide/ngrok/DWN-760459f1c1) (Partial outage; lasted 4h 3m; started 2025-10-04 00:35 UTC; Region - EU, Region - US; eu, us)
- **Substack**: [Post notifications are delayed](https://down.guide/substack/DWN-057dedb753) (Degraded; lasted 4h 22m; started 2025-10-04 16:06 UTC; Email delivery, Push Notifications)
- **MaxMind**: [HIgh latency and possible timeouts on the eu-west region](https://down.guide/maxmind/DWN-623a5ac998) (Degraded; lasted 0m; started 2025-10-04 12:45 UTC; eu)
- **Cloudflare**: [Elevated cache hit time to first byte in Sao Paulo](https://down.guide/cloudflare/DWN-3b453c0084) (Degraded; lasted 51m; started 2025-10-04 00:58 UTC; CDN/Cache, São Paulo, Brazil - (GRU); latam)

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