these are ucanet, and vespernet. alternate dns servers.ucanet is a dns proxy server and vespernet is a true root dns server, their aim is to support older equipment and software, restoring their usability. they are where we host most of our projects. if you have ever seen a website url that has the symbol Ü next to it, this indicates that it can only be accessed by using ucanet dns.
n·h·g also has its own private dns proxy system called edunet, whos aim is to imagine an internet that remained in control of educational institutions. Educational and personal websites exist, but tracking and mindless ones like facebook do not. In fact, its domain is actually a cute directory of book covers.