Amazon MSK now supports configuring custom domain names at the cluster level for MSK Provisioned clusters on both ZooKeeper and KRaft modes.

Key Details

• Allows defining a custom domain once at the cluster level and automatically applying it to every broker in the cluster
• Supports both ZooKeeper and KRaft modes for metadata management, enabling custom domain configuration on KRaft-based clusters for the first time
• Persists custom domain configurations through cluster scaling operations without manual broker-by-broker reconfiguration
• Simplifies cluster migrations, disaster recovery failovers, and compliance with organizational naming conventions
• Available for new and existing MSK Provisioned clusters across all AWS Regions where the service is offered at no additional cost

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