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Monitor, block, and cache DNS requests locally. Use wildcards to specify the names to be blocked or allowed. Save rules and load them with a single click on a file. Use different modes to record requests into the DNS cache, to playback, and other useful features. Monitor DNS requests resolved or blocked and when with DNS resolver log. Monitor statistics on access to DNS servers. Redirect DNS requests to your servers. The DNS caching technology has made another step forward with the release of Portable DNS Cache. Now, cache records can be saved into a file and loaded upon request. This software exposes intricacies of communication between a computer and DNS servers, it monitors requests and responses, differentiates requests resolved locally from requests resolved via DNS servers, it filters and blocks unwanted domain names according to filtering patterns. The real-time monitoring and firewall capabilities reveal 'the secrets' of many programs that are sneaking to the Internet behind your back. The simplicity of the user interface allows to perform tasks quickly and intuitively. No need to configure.