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

The Domain Name System, like most pieces of the internet, was designed to be distributed across many computers. Concentration ...

AT&T internet outage: What is ‘DNS Probe Finished nxdomain’ error and how to fix it?

For MacOS go to System Preferences -> Network. Choose the current local area connection and hit the Advanced button. Then, go to DNS tab and press the + button. One has to then type in the new IPv4 or ...

Critical WSUS flaw in Windows Server now exploited in attacks

Attackers are now exploiting a critical-severity Windows Server Update Service (WSUS) vulnerability, which already has publicly available proof-of-concept exploit code.

What Is DNS Failure? (And How To Fix It)

DNS failure is a failure to communicate between your device and a DNS server. When a DNS failure occurs, you can't reach the internet address you wanted to reach. As a viewer, this might mean you ...