.kddi
.kddi is a brand extension, run by KDDI CORPORATION since 2015. Only KDDI CORPORATION, its affiliates and trademark licensees can register .kddi names; they are not for sale to the public.
| Type | Brand |
|---|---|
| Registry operator | KDDI CORPORATION |
| Who can register | Brand owner only Brand extension: only the registry operator, its affiliates and trademark licensees register names. |
| In the root zone since | 9 January 2015 |
| DNSSEC | Signed |
| RDAP server | https://rdap.gmoregistry.net/rdap/ |
| WHOIS server | whois.nic.kddi |
| IANA record | iana.org/domains/root/db/kddi |
Look up a .kddi domain
The .kddi registry publishes registration data over RDAP. The free domain report reads it and shows a .kddi domain's registrar, dates, status and DNS in one place. For the raw record, use the WHOIS lookup.
New to extensions? The guide to how domain extensions work covers generic, country-code and brand extensions. For who sells extensions in general, see the list of domain registrars.
Sources: the IANA root zone database and the ICANN list of generic extensions (refreshed 2026-10-24). Something out of date? Tell us.
Frequently asked questions
Who runs the .kddi extension?
KDDI CORPORATION is the registry operator for .kddi. The registry keeps the list of every .kddi name; registrars sell the names to the public.
Can anyone register a .kddi domain?
Only KDDI CORPORATION, its affiliates and trademark licensees can register .kddi names; they are not for sale to the public.
When was .kddi created?
.kddi was added to the DNS root zone on 9 January 2015, according to IANA.
How do I look up who owns a .kddi domain?
The .kddi registry publishes registration data over RDAP at https://rdap.gmoregistry.net/rdap/ and over WHOIS at whois.nic.kddi. The free domain report on lemon.domains reads it for you and shows the registrar, dates and status.
Is .kddi signed with DNSSEC?
Yes. The .kddi zone is signed, so a .kddi domain can turn on DNSSEC once its registrar adds a DS record.