Almost every major service that isn't part of a major internet provider seemed to be having issues. As such, Google and Facebook appeared to stay up – but almost everything else was down
Twitter is down again!
Twitter felt the sting of downtime Friday. In the two-hour window of the initial impact, it said, "various Twitter domains including twitter.com may have been inaccessible for users in some regions, due to failures resolving particular DNS hostnames."
In a denial-of-service attack, targeted computers get hit with an overwhelming volume of bogus data requests, which dramatically slows down access and in extreme cases can completely cut off legitimate traffic.
The outage, mainly affecting the northeast U.S., seems to have been brought on by a Distributed Denial of Service (DDoS) attack on Dyn, an Internet company that hosts a variety of widely used platforms, though it is currently unclear why this happened.
Writing on its website Friday morning, Dyn said it had been the subject of an attack, adding that “some customers may experience increased DNS query latency and delayed zone propagation during this time.” Service has since been restored, according to DNS status reports.
Dyn, the affected company, indicated earlier that the issue had been fixed. But then it reported again that it had "begun monitoring and mitigating a DDoS attack against our Dyn Managed DNS infrastructure. Our Engineers are continuing to work on mitigating this issue".
It still isn't clear where that cyber attack originated or when or how it was likely to stop.
A list of major websites who have been affected:
and even service providers including Comcast, Cox, Time Warner Cable and AT&T were also affected.
and several other platforms appeared to go dark or experience problems
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