This four-letter domain is distinctive and easy to pronounce and spell. It sounds like "ducks", which leads to obvious branding opportunities.
As an abstract name this could almost anything, including a physical product (e.g. cleaning, pharmaceutical) website or app (social, health).
The name "duxs" has only four characters and just one syllable. Single-syllable names are extremely rare and highly valuable. One syllable names are used by established brands like Ford, Shell and Chase.
Duxs.com is a .com domain. Dot com domains are synonymous with websites. Once secured, a .com all but guarantees no-one else can outrank you for your own name in the long run.
This domain was first registered in April 2005. Older domains have an advantage when ranking in search engines.