This domain name has an efficient, professional feel. It is based on the word "executive".
The name "zexec" has only five letters and only two syllables. Two-syllable names are extremely rare and exceptionally sought after. Examples of popular two syllable names include Hilton, Pepsi and Honda.
Zexec.com is a .com domain. Dot com domains are the most valuable top-level-domain in the world, famously used by websites like google.com. A .com is the first thing people think of when they think of a website.