The key service access proxynation.ru for 1 day. Lists of proxy servers are checked against a set of criteria and updated every 3-5 minutes. After purchase, you get a unique 16-digit access key with which the interaction with the service to get a list of proxy servers.
For a list you will need to use one of the addresses:
http://proxynation.ru/access.php?type=socks&key=ключ - socks
http://proxynation.ru/access.php?type=http&key=ключ - http
http://proxynation.ru/access.php?type=all&key=ключ - all http and socks
If the term of the paid period ends you will see a message on the page type "KEY EXPIRE". To resume using the service go online payment procedure proxynation.ru.