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 sought after. Examples of popular one syllable names include Path, Box and Dell.
This domain was first registered in April 2005. Older domains have an advantage when ranking in search engines.
Duxs.com is a .com domain. Dot com domains are the most valued domain extension in the world, used by famous websites like twitter.com. Once you own a .com, it will be much easier to rank for your own name in Google.