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 ...
PC Magazine

What Is DNS? Everything You Need to Know About the Web's Phone Book

What Is DNS, Anyway? Simply put, Domain Name System (DNS) is the phone book of the internet. It’s the system that converts website domain names (hostnames) into numerical values (IP address) so they ...

Microsoft: DNS outage impacts Azure and Microsoft 365 services

Microsoft is investigating an ongoing DNS outage affecting customers worldwide, preventing them from accessing Microsoft ...
Ars Technica

"Primary DNS suffix of this computer": what does it do?

What does the "Primary DNS suffix of this computer" setting in the "Computer Name" setting for XP do, and what are the pros and cons of setting it manually vs leaving it blank?<BR><BR>I'm currently ...