Northern Arizona Internet Outage (copy)

Associated Press file photo.

Several airlines, banks and technology websites worked to get back online Thursday afternoon after a brief outage, the third such widespread incident noted in just two months, raising alarms across social media.

Websites of Delta Air Lines, Costco Wholesale Corp, American Express and Home Depot were down, displaying domain name system (DNS) service errors. Cloud services provider Akamai Technologies had given an alert on its "Edge DNS" service incident, noting a "partial outage" on its website.

"We have implemented a fix for this issue, and based on current observations, the service is resuming normal operations," Akamai said later in a tweet.

Oracle Corp officials said the company was monitoring the global issue related to a cloud-based DNS solution provider impacting access to many internet resources, including its own cloud services.

DNS is a service that translates readable domain names to machine-readable IP addresses, connecting it to a server and delivering the requested page on the user's phone or laptop.

In June, multiple outages hit social media, government and news websites around the world, with some reports pointing to a glitch at U.S.-based cloud computing service providers.

On Thursday, about 3,500 users reported issues with Airbnb's website, while nearly 1,500 Home Depot users reported problems, according to outage tracking website Downdetector.

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