Here is a list of the current URLs that are used within the NetLD server for online update as well as license activation: 

For checking for available updates. This runs daily to check for new available updates, or when a user clicks the "check for updates" button in the Software Update dialog.*
Used for downloading update packages when a user initiates an update.
For sending (called when the user initiates the function from Help -> About -> Send Log dialog.)
License activation and license updates when the user initiates a license activate or "update license"