Learn how the internet works with a simple guide on DNS, IP addresses, and routing—explained clearly to show how online ...

To understand why DNS failures can be so disruptive, it's helpful to know how the Domain Name System is constructed. The internet contains over 378 million registered domain names, far too many for a ...

Well-publicized attacks against Domain Name System (DNS) root servers and top-level domains highlight the vulnerability of the DNS infrastructure. Many CIOs are looking for ways to ensure secure, ...

The Linux host command can retrieve a lot of useful information from the domain name service, but has a lot of options that you need to understand to get started. The host command on Linux systems can ...

Translating human-readable domain names into numerical IP addresses has long been fraught with gaping security risks. After all, lookups are rarely end-to-end encrypted. The servers providing domain ...

If you operate authoritative DNS infrastructure or utilize a service provided by another organization, make sure that infrastructure has the right defenses. The Fast Company Executive Board is a ...

Another interesting new area for grid security is the growing discussion around developing a handle system for the grid. This Handle System could be an alternative implementation that you could use ...