This short and diverse domain name is anything "in" style.
Insy has only four characters and only two syllables. Two-syllable names are very rare and very prestigious. Successful brands using two syllable names include Sony, Disney and Starbucks.
Insy.com is a .com domain. Dot com domains are synonymous with websites. Once secured, a .com all but guarantees no-one else can outrank you for your own name in the long run.