DNS is often referred to as the internet’s phone book it’s what translates the host names you type into a URL tab-like -into IP addresses, which is where those sites live.ĭNS mishaps are common enough, and when in doubt, they're the reason why a given site has gone down. The company’s family of apps effectively fell off the face of the internet at 11:40 am ET, according to when its Domain Name System records became unreachable. It’s a social media blackout that can most charitably be described as “thorough” and seems likely to prove particularly tough to fix.įacebook itself has not confirmed the root cause of its woes, but clues abound on the internet. The platform currently has 3 billion users.A Facebook, Instagram, WhatsApp, and Oculus outage knocked every corner of Mark Zuckerberg’s empire offline on Monday. The outage marked the longest stretch of downtime for Facebook since 2008, when a bug knocked the site offline for about a day, affecting about 80 million users. DNS, short for Domain Name System, is like a phone book for websites. ThousandEyes, a network monitoring service owned by Cisco, said in an email that the outage was the result of DNS failure.

Reports on showed the outages appeared to be widespread, but it was unclear how many users were unable to access the apps. Thank you for bearing with us.'Īll three platforms stopped working shortly before noon ET, when the websites and apps for Facebook's services were responding with server errors.

'We've been working hard to restore access to our apps and services and are happy to report they are coming back online now.

'To the huge community of people and businesses around the world who depend on us: we're sorry,' Facebook said in a statement. Some of the services are not yet fully functioning - for example, some users are still reporting problems posting new content to Instagram.

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