This unique brand name is an inspired combination of the words "that" and "mine".
The word "ThatMine" contains eight characters and just two syllables. Two-syllable names are extremely rare and highly sought after. Examples of two popular syllable names include Dropbox, YouTube and Ikea.
Thatmine.com is a dot com domain. Dot com is the most prestigious domain extension. Once secured, a dot com all but guarantees no-one else can outrank you for your own name in the long run.