# Twilio: CNAME and a Record Conflict Bug Blocked DNS Validation

> Twilio status incident “CNAME and a Record Conflict Bug Blocked DNS Validation” on 2025-07-11: impact none (vendor’s label), 0 min, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/k9czc0qmc8ty
Last updated: 2025-07-11T20:06:00Z

- Impact (vendor’s label): none
- Status: resolved
- Started: 2025-07-11 20:06 UTC · Resolved: 2025-07-11 20:06 UTC · Duration: 0 min
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/k9czc0qmc8ty](https://status.twilio.com/incidents/k9czc0qmc8ty)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2025-07-11 20:06 UTC: Twilio DNS Validation was degraded for 2 days between 07/08/2025 and 07/10/2025. During this period of time customers may have experienced DNS validation wrongfully blocking requests or uploads for certs when using subdomains. Approximately 28 subdomains were blocked from requesting/uploading cert. The issue has now been resolved.

_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 Twilio, started 2025-07-11 20:06 UTC, resolved after 0 min, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/k9czc0qmc8ty
- Citation: Twilio, “CNAME and a Record Conflict Bug Blocked DNS Validation” (2025-07-11 20:06 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/k9czc0qmc8ty (CC BY 4.0).
- Markdown link: `[Twilio: CNAME and a Record Conflict Bug Blocked DNS Validation (2025-07-11)](https://rewindex.com/company/twilio/incidents/k9czc0qmc8ty)`


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Canonical: https://rewindex.com/company/twilio/incidents/k9czc0qmc8ty · Markdown: https://rewindex.com/company/twilio/incidents/k9czc0qmc8ty.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/k9czc0qmc8ty · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T14:27:41.222Z