For the longest time, a DNS problem meant a site wouldn't load, or it would load on my phone but not my PC, and I'd start working through a bunch of Windows commands to fix the internet. I would also ...

Jack Wallen shows you how to flush the DNS cache on your Ubuntu Servers to avoid DNS-released networking issues. Sometimes a network connection doesn’t seem to function how we expect them to. And it ...

A team of researchers from UC Irvine and Tsinghua University has developed a new powerful cache poisoning attack named 'MaginotDNS,' that targets Conditional DNS (CDNS) resolvers and can compromise ...

If I run an nslookup, I can get the correct answer of 192.223.158.232, and if I clear the DNS cache, the server seems to pick it up next time it is queried. Q. What's causing the dns server to store 0 ...

Researchers from Tsinghua University and the University of California have identified a new method that can be used to conduct DNS cache poisoning attacks. The new discovery revives a 2008 bug that ...

A faster plan won't fix your streaming woes ...

The domain name system (DNS) is the backbone of the internet, but it’s also one of its biggest security blind spots. As a translator between user-friendly domain names and machine-friendly IP ...

If your Linux servers or desktops are experiencing networking issues, you might want to view your DNS cache. Jack Wallen shows you how with a systemd-resolved-based distribution. Many recently ...