keyManagementServiceArn
The Amazon resource name (ARN) for a customer managed key in Key Management Service (KMS). The KeyManagementServiceArn must be unique for each key-signing key (KSK) in a single hosted zone. To see an example of KeyManagementServiceArn that grants the correct permissions for DNSSEC, scroll down to Example.
You must configure the customer managed customer managed key as follows:
Status
Enabled
Key spec
ECC_NIST_P256
Key usage
Sign and verify
Key policy
The key policy must give permission for the following actions:
DescribeKey
GetPublicKey
Sign The key policy must also include the Amazon Route 53 service in the principal for your account. Specify the following:
"Service": "dnssec-route53.amazonaws.com"
For more information about working with a customer managed key in KMS, see Key Management Service concepts.