# DNSimple: Let's Encrypt R3 intermediate certificate expiration

> DNSimple status incident “Let's Encrypt R3 intermediate certificate expiration” on 2021-09-27: impact none (vendor’s label), 24 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/dnsimple/incidents/d91jk6htx3r2
Last updated: 2021-09-28T12:37:00Z

- Impact (vendor’s label): none
- Status: resolved
- Started: 2021-09-27 12:49 UTC · Resolved: 2021-09-28 12:37 UTC · Duration: 24 h
- Updates: 1
- [Vendor status page: https://dnsimple.statuspage.io/incidents/d91jk6htx3r2](https://dnsimple.statuspage.io/incidents/d91jk6htx3r2)
- [Company: DNSimple](https://rewindex.com/company/dnsimple.md)

## Timeline of updates

- **resolved** 2021-09-28 12:37 UTC: We published more information at https://blog.dnsimple.com/2021/09/letsencrypt-intermediate-expiration/. We also built a tool available at https://verify-letsencryptr3.dnsimple.tools/ that you can use to verify if your site configuration is affected and needs to be updated.

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._

## Cite this

Status incident (vendor impact label: none) posted by DNSimple, started 2021-09-27 12:49 UTC, resolved after 24 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/dnsimple/incidents/d91jk6htx3r2
- Citation: DNSimple, “Let's Encrypt R3 intermediate certificate expiration” (2021-09-27 12:49 UTC). Archived by Rewindex: https://rewindex.com/company/dnsimple/incidents/d91jk6htx3r2 (CC BY 4.0).
- Markdown link: `[DNSimple: Let's Encrypt R3 intermediate certificate expiration (2021-09-27)](https://rewindex.com/company/dnsimple/incidents/d91jk6htx3r2)`


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Canonical: https://rewindex.com/company/dnsimple/incidents/d91jk6htx3r2 · Markdown: https://rewindex.com/company/dnsimple/incidents/d91jk6htx3r2.md · JSON: https://rewindex.com/api/v1/companies/dnsimple/incidents/d91jk6htx3r2 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T14:55:21.650Z