This professional, original and contemporary brand name would be well suited to an e-commerce or electronics organisation.
The name "dotonic" has seven characters and three syllables. Three syllable names are used by established brands like Verizon, Armani and Nescafé.
Dotonic.com is a .com domain. Dot com domains are the most valued domain extension in the world, famously used by websites like twitter.com. When most people think of a website, they think of a .com.