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# AWS
- **期号**: SRE Weekly Issue #45(2016-10-23)
- **作者**: —
- **链接**: http://status.aws.amazon.com/
## 简介
Among many other sites and services, AWS experienced an outage. They posted an unprecedented amount of detail during the incident in a banner on their status site. Their status page history doesn’t include the banner text, so I’ll quote it here:
> These events were caused by errors resolving the DNS hostnames for some AWS endpoints. AWS uses multiple DNS service providers, including Amazon Route53 and third-party service providers. The root cause was an availability event that occurred with one of our third-party DNS service providers. We have now applied mitigations to all regions that prevent impact from third party DNS availability events.
Nice job with the detailed information, AWS!
## 正文
> ⚠️ 抓取失败:HTTP 503