http://docs.aws.amazon.com/Route53/latest/DeveloperGuide/DNSLimitations.html http://docs.aws.amazon.com/Route53/latest/DeveloperGuide/DNS... >All requests – Fi

http://docs.aws.amazon.com/Route53/latest/DeveloperGuide/DNSLimitations.html http://docs.aws.amazon.com/Route53/latest/DeveloperGuide/DNS... >All requests – Five requests per second per AWS account. If you submit more than five requests per second, Amazon Route 53 returns an HTTP 400 error (Bad request). The response header also includes a Code element with a value of Throttling and a Message element with a value of Rate exceeded. Though the general AWS recommendation for API limits is implementing exponential backoff + jitter. http://docs.aws.amazon.com/general/latest/gr/api-retries.html http://docs.aws.amazon.com/general/latest/gr/api-retries.htm...