.co.jp domain registration - Japan

.CO.JP is the ideal extension to identify all the realities in Japan

Registering a .CO.JP domain is an effective way to protect your online identity in Japan and in the world.

.co.jp domain registration. Protect your name in Japan!



Country code second level domain (ccSLD)

Geographical Area

Asia - Oceania

Nation / Category


Check your .co.jp domain's availability

Requirements for the .co.jp extension

  • LOCAL PRESENCE required in the country
  • Minimum years of registration: 2
  • The domain name must contain a minimum number of 3 characters and a maximum of 63 characters excluding the tld length

.co.jp domain registration rules - Japan

Time needed: 1

To register a .co.jp domain, you need to prove that you are a locally registered company, by providing the registration certificate from the local ministry of commerce.

You can register ONLY ONE .co.jp DOMAIN NAME per company.
Below are listed three specific cases where you can have more than one third level .co.jp domain, with the proper documentary proof:

  • Change of company name: you can keep the old registered domain (with the old company name) and register a new one with the new company name;
  • Merger of two companies: you can keep both domains;
  • Transfer of a company: the domain ownership of company A (the one that gets transferred) can be transferred to company B, so they are owner of both domains.

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