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 letters and only one syllable. One-syllable names are exceptionally rare and highly valuable. One syllable names are used by established brands like Path, Dell and Box.
This domain was first registered in April 2005. Older domains have an advantage when ranking in search engines.
Duxs.com is a dot-com domain. Dot com domains are the most valued top-level-domain in the world, famously used by websites like youtube.com. Once you own a dot-com, it will be much easier to rank for your own name in Google.