aws rds describe-certificates
Lists the set of certificate authority (CA) certificates provided by Amazon RDS for this Amazon Web Services account. AWS CLI reference
4 options Its page in the AWS CLI reference
Options
--certificate-identifierThe user-supplied certificate identifier.--filtersThis parameter isn't currently supported.--markerAn optional pagination token provided by a previous DescribeCertificates request.--max-recordsThe maximum number of records to include in the response.