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 ...

If you are getting an error massage form your web browser something like “Your connection is not private Attackers might be trying to steal your information from ...

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 ...

Nearly a month after a critical flaw in the Internet’s Domain Name System was first reported, vendors of some of the most widely used firewall software packages are scrambling to fix a problem that ...