# Cloudflare:  Cloudflare Gateway DNS-over-TLS Connectivity Issues over IPv4

> Cloudflare status incident “ Cloudflare Gateway DNS-over-TLS Connectivity Issues over IPv4” on 2026-11-02: impact minor (vendor’s label), 2.4 h, 3 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/cloudflare/incidents/3bv9locsg7ln
Last updated: 2026-11-03T00:43:06Z

- Impact (vendor’s label): minor
- Status: resolved · edited after publishing
- Started: 2026-11-02 22:12 UTC · Resolved: 2026-11-03 00:34 UTC · Duration: 2.4 h
- Updates: 3 · Affected components: Gateway, Zero Trust - Gateway
- [Vendor status page: https://www.cloudflarestatus.com/incidents/3bv9locsg7ln](https://www.cloudflarestatus.com/incidents/3bv9locsg7ln)
- [Company: Cloudflare](https://rewindex.com/company/cloudflare.md)

## Timeline of updates

- **investigating** 2026-11-02 22:12 UTC: Cloudflare is investigating an issue affecting Cloudflare Gateway DNS-over-TLS (DoT) connections over IPv4. Affected customers may experience connection timeouts and failed DNS resolution. This issue is limited to DoT over IPv4. DoT over IPv6, DNS-over-HTTPS (DoH), and standard DNS over UDP/TCP are not affected. We are working to identify the cause and restore connectivity. Further updates will be provided as more information becomes available.
- **monitoring** 2026-11-03 00:23 UTC: Our team has been able to identify and apply an effective fix for this issue. We are currently monitoring the results.
- **resolved** 2026-11-03 00:34 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2026-11-03 00:23 UTC: [Incident updated:  Cloudflare Gateway DNS-over-TLS Connectivity Issues over IPv4](https://rewindex.com/change/rfdb38001cc9d04.md)
- 2026-11-03 00:43 UTC: [Incident updated:  Cloudflare Gateway DNS-over-TLS Connectivity Issues over IPv4](https://rewindex.com/change/rb4a82d43a13ca5.md)

## Cite this

Status incident (vendor impact label: minor) posted by Cloudflare, started 2026-11-02 22:12 UTC, resolved after 2.4 h, 3 update(s); edited after publishing.

- Canonical URL: https://rewindex.com/company/cloudflare/incidents/3bv9locsg7ln
- Citation: Cloudflare, “ Cloudflare Gateway DNS-over-TLS Connectivity Issues over IPv4” (2026-11-02 22:12 UTC). Archived by Rewindex: https://rewindex.com/company/cloudflare/incidents/3bv9locsg7ln (CC BY 4.0).
- Markdown link: `[Cloudflare:  Cloudflare Gateway DNS-over-TLS Connectivity Issues over IPv4 (2026-11-02)](https://rewindex.com/company/cloudflare/incidents/3bv9locsg7ln)`


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Canonical: https://rewindex.com/company/cloudflare/incidents/3bv9locsg7ln · Markdown: https://rewindex.com/company/cloudflare/incidents/3bv9locsg7ln.md · JSON: https://rewindex.com/api/v1/companies/cloudflare/incidents/3bv9locsg7ln · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-05T16:39:52.888Z