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DNS

Amazon Web Services, hosted in data centers like this one in Virginia, supports thousands of websites, apps and online services – but not during its recent DNS outage. Nathan Howard/Getty Images
Why is it always DNS that's behind big Internet outages?
What is DNS? A computer engineer explains this foundational piece of the web – and why it’s the internet’s Achilles’ heel
by Guest
2
What is DNS? A computer engineer explains this foundational piece of the web – and why it’s the internet’s Achilles’ heel
Created by DALL-E
It's always DNS, even when MasterCard flubs tech badly
For years, MasterCard left open a security hole created through a configuration file typo
by Juha Saarinen
2
For years, MasterCard left open a security hole created through a configuration file typo