DNS

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

What is DNS? A computer engineer explains this foundational piece of the web – and why it’s the internet’s Achilles’ heel DNS (Domain Name System) is the internet’s “phone book” that translates names into IP addresses, but recent outages have highlighted its vulnerability. A recent AWS outage on Oct. 20, 2025, showed how DNS failures […]

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