I consider the number of registrations for a particular SLD (phrase to the left of the dot) to be one of the more important “signs of life” for a domain name. When I am evaluating domain names to buy in the aftermarket or at auction, I pay closer attention to those that have many other extensions registered.
Importantly, the number of registrations can be misleading, so there is some nuance that goes into my process for evaluating these domain names.
This morning, I was looking at a domain name currently in auction. I see there are 10 extensions registered, including the .com. Using dotDB, I see there are only 2 other domain names registered with this term. That was peculiar to me because usually if a phrase or term is registered in many extensions, there will also be other domain names registered that have the phrase within the SLD.