DNS caching software that allows blocking or allowing specific names using wildcards. Rules can be saved and loaded with one-click file access.

One of the highlights of Portable DNS Cache is the different modes for recording requests into the DNS cache, playback, and other useful features. Users can monitor DNS requests resolved or blocked and when using the DNS resolver log. Additionally, the software provides statistics on access to DNS servers.
In addition to monitoring, the software can redirect DNS requests to users' servers. The DNS caching technology has made a significant step forward with this software release. Now, cache records can be saved into a file and loaded upon request.
Portable DNS Cache boasts of exposing the intricacies of communication between a computer and DNS servers. It monitors requests and responses, differentiates requests resolved locally from those resolved via DNS servers. The software filters and blocks unwanted domain names according to the user's filtering patterns.
The real-time monitoring and firewall capabilities of Portable DNS Cache reveal the secrets of many programs that are sneaking to the Internet behind users' backs. The user interface of the software is simple, allowing users to perform tasks quickly and intuitively. No configuration is required, making it easy for users to get started using Portable DNS Cache.
Version 2.44: Fixed duplicated cache entries for upper case domain names.