# DnsValidationChallenge
<a name="API_DnsValidationChallenge"></a>

Contains the CNAME record that you must add to your DNS configuration to validate domain ownership using DNS validation.

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

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

 ** ResourceRecord **   <a name="ACM-Type-DnsValidationChallenge-ResourceRecord"></a>
The CNAME record that ACM creates for DNS validation. Add this record to your DNS configuration to prove that you own or control the domain.  
Type: [ResourceRecord](API_ResourceRecord.md) object  
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/DnsValidationChallenge) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/acm-2015-12-08/DnsValidationChallenge) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/acm-2015-12-08/DnsValidationChallenge)