Actually it's in Japanese. Nifty is one of the oldest (and at oneFrom here it looks like it's originated by AS2510, which is also Fujistsu.So "it" is legitimate, even if the unwanted traffic your receiving is not.
Owning and using a domain name with 1 character difference from Nifty, its amazing what I used to receive via the catch-all.
One of the many reasons I turned it off, ultimately. Chris
