# Render: Major incident: Custom domains are unable to be created

**Summary:** Render’s Custom Domains experienced a major outage that prevented custom domain creation from 2026-03-09 20:19 UTC to 2026-03-09 20:39 UTC, lasting 20 min. Render marked the incident resolved but did not state a cause or fix. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-03-09 20:19 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/05hf867jxx3y](https://stspg.io/05hf867jxx3y)
- [Company: Render](https://rewindex.com/company/render.md)
- Versions: before (none: first archived) → after incident\_version:203/svf22l01vjpm@2495c1156561
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Custom domains are unable to be created
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-03-09 20:19 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-03-09 20:39 UTC
```

**6. Added: Affected components**

```diff
+ Custom Domains
```

**7. Added: Update** (investigating) · 2026-03-09 20:19 UTC

```diff
+ We are currently investigating this issue.
```

**8. Added: Update** (resolved) · 2026-03-09 20:39 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-03-09 20:19 UTC | Major incident: Custom domains are unable to be created (this change) | outage |

All Render changes: [timeline](https://rewindex.com/company/render/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/ifdaccf1a976c14 · Markdown: https://rewindex.com/change/ifdaccf1a976c14.md · JSON: https://rewindex.com/api/v1/changes/ifdaccf1a976c14 · Generated 2026-10-18T03:29:11.883Z