The digital landscape is a dynamic ecosystem driven by a plethora of processes and systems. Central to the seamlessness of internet navigation is the Domain Name System (DNS). While the term DNS is frequently encountered by anyone working in IT or studying digital systems, there’s an intricate component of this system that’s indispensable: the DNS cache. This post offers an in-depth exploration into the concept of Domain Name System cache, its functionality, and its significance.
What is DNS cache?
DNS cache is, in essence, a temporary storage (typically in a device’s RAM) that maintains records of recent visits and attempted visits to websites. This storage or ‘cache’ comprises the domain names and the IP addresses associated with them. It is the bridge between the domain names humans find intuitive and the IP addresses machines utilize.