AWS Certificate Manager supports switching from e-mail to DNS validation
Today’s signal AWS What’s New recently reported AWS Certificate Manager supports switching from e-mail to DNS validation. Published context: August 13, 2026. AWS Certificate Manager (ACM) now enables you to change the domain validation method on your existing ACM issued public TLS certificates from e-mail to DNS, without reissuing the certificate or changing its existing Amazon Resource Name (ARN). Due to the Certification Authority/Browser (CA/B) Forum’s mandated deprecation of email-based domain validation for ...