28
Mar
A DNS, elaborated as a ‘Domain Name System’ cache is a log of every request a browser makes to a DNS server. The browser sends a request to the DNS server to obtain the IP address of a URL when users type it in. The browser may then load the relevant website in the window once it has received the IP address. However, when a user tries to visit the page again, does the browser send out a fresh request? No. To speed up future requests, the majority of operating systems cache IP addresses and several other DNS entries by…