CPI Domain is a domain registration service provided by KDDI Web Communications Inc., a subsidiary of Japan’s major telecom company KDDI. The service supports popular domain extensions such as .jp, .com, .net, and more, with features tailored for business use.

CPI offers features such as DNS configuration, proxy WHOIS information disclosure, and email forwarding options. It can also be integrated with CPI’s shared and VPS hosting services, allowing for centralized management from domain to server.

With a long track record and a support structure designed specifically for corporate clients, it is a reliable choice for businesses seeking a trustworthy domain service within Japan.