.komatsu
.komatsu is a brand extension, run by Komatsu Ltd. since 2015. Only Komatsu Ltd., its affiliates and trademark licensees can register .komatsu names; they are not for sale to the public.
| Type | Brand |
|---|---|
| Registry operator | Komatsu Ltd. |
| Who can register | Brand owner only Brand extension: only the registry operator, its affiliates and trademark licensees register names. |
| In the root zone since | 26 March 2015 |
| DNSSEC | Signed |
| RDAP server | https://rdap.gmoregistry.net/rdap/ |
| WHOIS server | whois.nic.komatsu |
| IANA record | iana.org/domains/root/db/komatsu |
Look up a .komatsu domain
The .komatsu registry publishes registration data over RDAP. The free domain report reads it and shows a .komatsu 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 Something out of date?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 .komatsu extension?
Komatsu Ltd. is the registry operator for .komatsu. The registry keeps the list of every .komatsu name; registrars sell the names to the public.
Can anyone register a .komatsu domain?
Only Komatsu Ltd., its affiliates and trademark licensees can register .komatsu names; they are not for sale to the public.
When was .komatsu created?
.komatsu was added to the DNS root zone on 26 March 2015, according to IANA.
How do I look up who owns a .komatsu domain?
The .komatsu registry publishes registration data over RDAP at https://rdap.gmoregistry.net/rdap/ and over WHOIS at whois.nic.komatsu. The free domain report on lemon.domains reads it for you and shows the registrar, dates and status.
Is .komatsu signed with DNSSEC?
Yes. The .komatsu zone is signed, so a .komatsu domain can turn on DNSSEC once its registrar adds a DS record.