Amazon Route 53 Documentation

Developer Guide
Provides an overview of Amazon Route 53, detailed feature descriptions, procedures for using the console, and an explanation of how to use the API.
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Amazon Route 53 DNS and health checking
in the AWS CLI Reference
Describes the Amazon Route 53 commands in the AWS CLI that you can use to configure DNS and health checks. Provides syntax, options, and usage examples for each command.
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API Reference  
Describes all the API operations for Amazon Route 53 in detail. Also provides sample requests, responses, and errors for the supported web services protocols. 
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Amazon Route 53 domain registration
in the AWS CLI Reference
Describes the Amazon Route 53 commands in the AWS CLI that you can use for domain registration. Provides syntax, options, and usage examples for each command.
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