public void ElasticBeanstalkCheckDNSAvailability() { #region to-check-the-availability-of-a-cname-1456268589537 var client = new AmazonElasticBeanstalkClient(); var response = client.CheckDNSAvailability(new CheckDNSAvailabilityRequest { CNAMEPrefix = "my-cname" }); bool available = response.Available; string fullyQualifiedCNAME = response.FullyQualifiedCNAME; #endregion }