.kddi is a Top Level Domain for KDDI (Japanese telecommunication operator). This exclusive domain, dedicated to the use of KDDI, will provide innovative new ways for us to interact with Internet users in a trusted and secure namespace.

KDDI, as a comprehensive communications company offering both fixed-line and mobile communications services, strives to be a leading company during changing times.
For individual customers, KDDI offers its mobile communications and fixed-line communications services under the brand name "au", helping to realize new seamless communications environments. For business clients, KDDI provides all services in the Information and Communication Technology realm, from Fixed Mobile Convergence networks to data centers, applications, and security strategies, to help clients strengthen their businesses.