Route53Domains / Client / check_domain_availability



This operation checks the availability of one domain name. Note that if the availability status of a domain is pending, you must submit another request to determine the availability of the domain name.

See also: AWS API Documentation

Request Syntax

response = client.check_domain_availability(
  • DomainName (string) –


    The name of the domain that you want to get availability for. The top-level domain (TLD), such as .com, must be a TLD that Route 53 supports. For a list of supported TLDs, see Domains that You Can Register with Amazon Route 53 in the Amazon Route 53 Developer Guide.

    The domain name can contain only the following characters:

    • Letters a through z. Domain names are not case sensitive.

    • Numbers 0 through 9.

    • Hyphen (-). You can’t specify a hyphen at the beginning or end of a label.

    • Period (.) to separate the labels in the name, such as the . in

    Internationalized domain names are not supported for some top-level domains. To determine whether the TLD that you want to use supports internationalized domain names, see Domains that You Can Register with Amazon Route 53. For more information, see Formatting Internationalized Domain Names.

  • IdnLangCode (string) – Reserved for future use.

Return type:



Response Syntax


Response Structure

  • (dict) –

    The CheckDomainAvailability response includes the following elements.

    • Availability (string) –

      Whether the domain name is available for registering.


      You can register only domains designated as AVAILABLE.

      Valid values:


      The domain name is available.


      The domain name is reserved under specific conditions.


      The domain name is available and can be preordered.


      The TLD registry didn’t reply with a definitive answer about whether the domain name is available. Route 53 can return this response for a variety of reasons, for example, the registry is performing maintenance. Try again later.


      The TLD registry didn’t return a response in the expected amount of time. When the response is delayed, it usually takes just a few extra seconds. You can resubmit the request immediately.


      The domain name has been reserved for another person or organization.


      The domain name is not available.


      The domain name is not available.


      The domain name is forbidden.


  • Route53Domains.Client.exceptions.InvalidInput

  • Route53Domains.Client.exceptions.UnsupportedTLD