In another case, it can be used by web administrators to monitor visited websites. Network administrators can use the tool to keep an eye out for DNS propagation, which basically occurs when a website transfers between two servers. There are many reasons why this would be useful, from both a security aspect and a maintenance aspect. In layman’s terms, that means you can see the connected IP addressed for websites/servers your computer is connected to. What is it and what does it doĭNSQuerySniffer is a portable application that will allow you to monitor any DNS queries being sent by your system to outside sources. DNSQuerySniffer is a free application for Windows, that allows you to track any DNS queries that have been sent from your home system to remote servers (aka outbound connections). One particularly useful way to do that is to keep an eye on DNS and IP connections that are communicating with your system. There are many ways to remain secure on the internet, but one of the age old methods involves monitoring your incoming and outgoing traffic. Internet security is a whole different topic altogether. Security will always be a relevant issue, because no matter what people are doing they want to be safe, for the most part anyway (we’re not discussing thrill seekers here).
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