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 word "duxs" contains only four characters and just one syllable. Single-syllable names are exceptionally rare and exceptionally valued. Successful brands using one syllable names include Chase, Ford and Box.
Duxs.com is a .com domain. Dot com domains are the most desirable top-level-domain in the world, used by famous websites like google.com. 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.