AWS SDK Version 3 for .NET
API Reference

AWS services or capabilities described in AWS Documentation may vary by region/location. Click Getting Started with Amazon AWS to see specific differences applicable to the China (Beijing) Region.

Checks if the specified CNAME is available.


For .NET Core and PCL this operation is only available in asynchronous form. Please refer to CheckDNSAvailabilityAsync.

Namespace: Amazon.ElasticBeanstalk
Assembly: AWSSDK.ElasticBeanstalk.dll
Version: 3.x.y.z


public abstract CheckDNSAvailabilityResponse CheckDNSAvailability(
         CheckDNSAvailabilityRequest request
Type: Amazon.ElasticBeanstalk.Model.CheckDNSAvailabilityRequest

Container for the necessary parameters to execute the CheckDNSAvailability service method.

Return Value
The response from the CheckDNSAvailability service method, as returned by ElasticBeanstalk.


The following operation checks the availability of the subdomain my-cname:

To check the availability of a CNAME

var response = client.CheckDNSAvailability(new CheckDNSAvailabilityRequest 
    CNAMEPrefix = "my-cname"

bool available = response.Available;
string fullyQualifiedCNAME = response.FullyQualifiedCNAME;


Version Information

.NET Framework:
Supported in: 4.5, 4.0, 3.5

Portable Class Library:
Supported in: Windows Store Apps
Supported in: Windows Phone 8.1
Supported in: Xamarin Android
Supported in: Xamarin iOS (Unified)
Supported in: Xamarin.Forms

See Also