**To find information about provisioned Amazon DocumentDB instances** The following ``describe-db-instances`` example displays details for about the Amazon DocumentDB instance ``sample-cluster-instance``. By omitting the ``--db-instance-identifier`` parameter you get information on up to 100 instances. :: aws docdb describe-db-instances \ --db-instance-identifier sample-cluster-instance Output:: { "DBInstances": [ { "Endpoint": { "HostedZoneId": "ZNKXH85TT8WVW", "Address": "sample-cluster-instance.corcjozrlsfc.us-west-2.docdb.amazonaws.com", "Port": 27017 }, "PreferredBackupWindow": "00:00-00:30", "DBInstanceStatus": "available", "DBInstanceClass": "db.r4.large", "EnabledCloudwatchLogsExports": [ "audit" ], "DBInstanceIdentifier": "sample-cluster-instance", "DBSubnetGroup": { "Subnets": [ { "SubnetStatus": "Active", "SubnetIdentifier": "subnet-4e26d263", "SubnetAvailabilityZone": { "Name": "us-west-2a" } }, { "SubnetStatus": "Active", "SubnetIdentifier": "subnet-afc329f4", "SubnetAvailabilityZone": { "Name": "us-west-2c" } }, { "SubnetStatus": "Active", "SubnetIdentifier": "subnet-53ab3636", "SubnetAvailabilityZone": { "Name": "us-west-2d" } }, { "SubnetStatus": "Active", "SubnetIdentifier": "subnet-991cb8d0", "SubnetAvailabilityZone": { "Name": "us-west-2b" } } ], "DBSubnetGroupName": "default", "SubnetGroupStatus": "Complete", "DBSubnetGroupDescription": "default", "VpcId": "vpc-91280df6" }, "InstanceCreateTime": "2019-03-15T20:36:06.338Z", "Engine": "docdb", "StorageEncrypted": false, "AutoMinorVersionUpgrade": true, "DBInstanceArn": "arn:aws:rds:us-west-2:123456789012:db:sample-cluster-instance", "PreferredMaintenanceWindow": "tue:08:39-tue:09:09", "VpcSecurityGroups": [ { "Status": "active", "VpcSecurityGroupId": "sg-77186e0d" } ], "DBClusterIdentifier": "sample-cluster", "PendingModifiedValues": {}, "BackupRetentionPeriod": 3, "PubliclyAccessible": false, "EngineVersion": "3.6.0", "PromotionTier": 1, "AvailabilityZone": "us-west-2c", "DbiResourceId": "db-A2GIKUV6KPOHITGGKI2NHVISZA" } ] } For more information, see `Describing Amazon DocumentDB Instances <https://docs.aws.amazon.com/documentdb/latest/developerguide/db-instance-view-details.html>`__ in the *Amazon DocumentDB Developer Guide*.