# DnsPrevalidationOptions
<a name="API_DnsPrevalidationOptions"></a>

DNS prevalidation options for domain validation.

## Contents
<a name="API_DnsPrevalidationOptions_Contents"></a>

**Note**  
In the following list, the required parameters are described first.

 ** DomainScope **   <a name="ACM-Type-DnsPrevalidationOptions-DomainScope"></a>
The scope of domains covered by this prevalidation.  
Type: [DomainScope](API_DomainScope.md) object  
Required: No

 ** HostedZoneId **   <a name="ACM-Type-DnsPrevalidationOptions-HostedZoneId"></a>
The Route 53 hosted zone ID for DNS validation.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 32.  
Pattern: `Z[A-Z0-9]+`   
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/acm-2015-12-08/DnsPrevalidationOptions) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/acm-2015-12-08/DnsPrevalidationOptions) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/acm-2015-12-08/DnsPrevalidationOptions)