# Customers are Unable to add new Email Sending Domains

- Provider: [Customer.io](https://down.guide/providers/customerio)
- Confidence: Confirmed
- Impact: Partial outage
- lasted 31m
- started 2026-11-06 23:53 UTC
- Management Interface
- id: DWN-95c4206922
- Official page: https://stspg.io/7ryl480x0flq

## Summary
Customer.io says customers were unable to add new email sending domains. The provider identified the issue, and the incident is now resolved as of 2026-11-07 00:24 UTC.

_Written by anthropic/claude-haiku-5.5 from Customer.io's own updates._

## Updates from Customer.io
### 2026-11-06 23:53 UTC: investigating
We are currently investigating this issue.

### 2026-11-07 00:03 UTC: identified
We have identified the issue and are working to resolve the matter.

### 2026-11-07 00:24 UTC: resolved
This incident has been resolved.

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