DNS server isn't responding,' 'DNS lookup failed,' 'NXDOMAIN' and 'DNS resolution timeout' are just some of the possible ways your browser or internet-enabled device tells you there is a DNS failure.

If you've found yourself hitting DNS errors or 404 pages in your browser but you know your net connection is working fine, it might be time to flush and restart Windows' DNS cache. The How-To Geek ...

How to view DNS cache entries with the new systemd-resolved resolver Your email has been sent If your Linux servers or desktops are experiencing networking issues, you might want to view your DNS ...

If you're having problems Web surfing, you may have a DNS problem. Here are quick ways to fix it. As I’ve shown you in there are a number of way you can hack Domain Name System to speed up the way you ...

There has been a long history of attacks on the DNS ranging from brute-force denial-of-service attacks to targeted attacks requiring specialized software. In July 2008 a new DNS cache-poisoning attack ...

The DNS cache is a temporary database on an operating system that stores DNS lookups (information about visited websites and internet domains). How this works is fairly simple: When you visit a ...

Some firewall software undoes a feature that was introduced in the DNS patches and could make it easier for attackers to pull off a cache-poisoning attack against the DNS server Nearly a month after a ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. We recently talked about how to flush your DNS cache on your Mac should you have trouble ...