# describe-server-dns-mappings
<a name="describe-server-dns-mappings"></a>

Describe the currently available DCV Servers - DNS names mappings.

## Syntax
<a name="sytnax"></a>

```
sudo -u root dcv-session-manager-broker describe-server-dns-mappings
```

## Output
<a name="output"></a>

**`serverIdType`**  
The type of the server Id.

**`serverId`**  
The unique ID of the Server.

**`dnsNames`**  
The internal and external dns names    
**`internalDnsNames`**  
The internal dns names  
**`externalDnsNames`**  
The external dns names

## Example
<a name="example"></a>

The following example lists the registered DCV Servers - DNS names mappings.

**Command**

```
sudo -u root dcv-session-manager-broker describe-server-dns-mappings
```

**Output**

```
 [ 
	{
		"serverIdType" : "Id",
		"serverId" : "192.168.0.1",
		"dnsNames" : {
			"internalDnsName" : "internal1",
			"externalDnsName" : "external1"
		}
	}, 
	{
		"serverIdType" : "Host.Aws.Ec2InstanceId",
		"serverId" : "i-0648aee30bc78bdff",
		"dnsNames" : {
			"internalDnsName" : "internal2",
			"externalDnsName" : "external2"
		}
	} 
 ]
```