DNS (Domain Name System) caching is a crucial component of the internet’s infrastructure, designed to improve the efficiency and speed of domain name resolution. When you type a website address into your browser, DNS caching helps your system quickly locate the corresponding IP address without having to repeatedly query DNS servers. However, while DNS caching offers several advantages, it also introduces certain challenges that must be understood and managed.

What is DNS Caching?

DNS caching is the process by which DNS query results are temporarily stored in memory at various levels of the internet infrastructure. These cached results are reused when subsequent requests for the same domain name are made, significantly speeding up the browsing experience.

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