What is DNS? A computer engineer explains this foundational piece of the web – and why it’s the internet’s Achilles’ heel

(THE CONVERSATION) When millions of people suddenly couldn’t load familiar websites and apps during the Amazon Web Services, or AWS, outage on Oct. 20, 2025, the affected servers weren’t actually down ...

What is a DNS server? How Domain Name System servers connect you to the internet

A DNS server – short for Domain Name System server – helps your web browser connect to the internet and load websites properly.

What the Huge AWS Outage Reveals About the Internet

Amazon Web Services experienced DNS resolution issues on Monday morning, taking down wide swaths of the web—and highlighting ...

The internet just had another global outage. Why does this keep happening?

Amazon Web Services (AWS), the cloud computing platform that powers much of the internet, went down for several hours Monday, ...