A phishing attack can use a cache poisoning or DNS hijacking method to divert your DNS server to a server of their choice or provide you with a list of fraudulent IPs for existing URLs. While DNS servers are a vital part of the internet infrastructure, they can often come under attack by hackers. However, these DNS servers are not infallible, and ISP servers can be prone to faults and bottlenecks that might prompt users to think they don’t have internet access. Even your PC will hold a rudimentary DNS cache that stores frequently used and recent addresses for faster access. Most ISPs (Internet Service Providers) will have DNS servers used by default by any of their users. When you type a URL into the address bar, the first thing the browser does is consult the DNS cache and server for the corresponding IP address, then, it fetches the website’s contents for you.Ī DNS server comes in a few forms. It contains a list of websites and their corresponding IP addresses that the browser can use to access webpages. A DNS (Domain Name System) server bridges that gap between man and machine. For them, a URL, such as is utterly unreadable, but we can’t imagine typing random numbers whenever we want to access a website.
Unlike humans, computers and browsers operate by interpreting numbers.
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In this article, we’ll explain more about the DNS’s purpose and how to change your DNS server on Windows 10.