"URLProxy" is a feature in CanIt-Domain-PRO email filtering software, that handles rewritten (proxied) URLs in emails that has been rewritten (based on rules of the CanIt-Domain-PRO system). The rewritten URLs will take the users to a URLProxy landing page, with some basic information around the original URL, like: hosting domain, country etc.
This simple web-app emulates that basic landing page logic of that component, so previosly handled emails with rewritten URLs doesn't become broken links.
UPDATE The company (Roaring Penguin) and the product (CanIt-Domain-Pro) doesn't exists since a few years back so it's time to archive this old project now...