Nice and representative business name with professional connotations.
The name "exzi" has only four characters and only two syllables. Two-syllable names are highly rare and very valued. Established brands using two syllable names include Walmart, Visa and Dropbox.
This domain was first registered in September 2006. Older domains have an advantage when ranking in search engines.
Exzi.com is a .com domain. Dot com domains are the most prestigious top-level-domain in the world, used by famous websites like youtube.com. When you own a .com, it is much easier to rank for your own name in search engines.