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A leading internet content delivery service experienced an outage on its platform, which may have taken dozens of websites offline.

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A widespread internet outage took down multiple websites Tuesday morning, including Amazon, Google, Reddit, CNN and USA TODAY.

DownDetector, a site that tracks website outages, reported that a long list of sites, which also included Zoom, Youtube, Instagram, Twitter, Hulu, Spotify, Etsy and Paypal, started experiencing problems just after 5:30 a.m. EDT Tuesday.

Internet service providers Comcast, Verizon, AT&T, Spectrum and Cox were also impacted.

The outage may be linked to Fastly, a cloud platform that powers websites such as The New York Times and Shopify. 

Visitors trying to access CNN.com got a message that said: “Fastly error: unknown domain: cnn.com.” Attempts to access The Financial Times website turned up a similar message while visits to The New York Times and Britain’s gov.uk site returned an “Error 503 Service Unavailable” message, along with the line “Varnish cache server,” which is a technology that Fastly is built on.

A status update posted by Fastly acknowledged the service was investigating “potential impact to performance” with content delivery network services.

“The issue has been identified and a fix has been applied,” read the latest update from Fastly posted at 6:57 a.m. Most websites impacted by the outage appear to be back up and running.

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Fastly describes itself as an “edge cloud platform” that helps websites with services such as content delivery and website security. Among the major sites listed as partners:  Wayfair, Wired, Yelp, Shazam, Ticketmaster and USA TODAY parent company Gannett.

The Associated Press contributed to this report. Follow Brett Molina on Twitter: @brettmolina23.

Read or Share this story: https://www.usatoday.com/story/tech/2021/06/08/fastly-outage-causes-major-internet-outage-impacts-amazon-reddit-error-503/7598273002/