This professional, brandable and original domain would be ideal for an Artificial Intelligence or business organisation.
The name "blocknator" has 10 characters and three syllables. Three syllable names are used by established brands like Verizon, Heineken and Mastercard.
Blocknator.com is a .com domain. Dot com domains are the most desirable top-level-domain in the world, used by famous websites like facebook.com. Once secured, a .com all but guarantees no-one else can outrank you for your own name in the long run.