When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

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 ...

Firewalls are essential for restricting and controlling Internet traffic sent between the web and your company's network. You can further enhance the security of your LAN by having a strict firewall ...

There have been reports from Windows 10 users not being able to access websites on Chrome browser but instead gets the error dns_probe_finished_bad_config. Although ...

As many as 64,000 Americans’ computers may still be affected by malware that will cause them to lose Internet service come Monday, so if you haven’t already, make sure you aren’t among them. There’s ...

Reverse DNS is a site that displays reverse lookup results for approximately 4.3 billion IPv4 addresses in a map-like manner. This is what it looks like when you access the site. I can't tell what it ...

DNS can be tricky. There is a lot to know and, even when you think you have a firm grasp on it, surprises still pop up. Reverse DNS and PTR record configuration is one of those sneaky topics, but it’s ...