The DNS cache is a temporary storage of Domain Name System (DNS) data on a device or server. It helps to speed up the retrieval of DNS information and reduce network traffic. When a device requests a domain name, the DNS server checks if the information is already in its cache. If it is, the server sends it back to the device without having to perform a full DNS lookup. This process is much faster and more efficient than retrieving the information from scratch. Read more about DNS cache!
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