CNAME and a Record Conflict Bug Blocked DNS Validation

Incident Report for Twilio

Resolved

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.

Posted Jul 11, 2025 - 13:06 PDT