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).
Duxs has only four letters and only one syllable. One-syllable names are highly rare and extremely valuable. Leading companies using one syllable names include Square, Box and Chase.
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 valuable top-level-domain in the world, used by famous websites like twitter.com. When most people think of a website, they think of a dot com.