PSI-Japan
PSI-Japan is a domain registrar based in Japan. It is ICANN-accredited, with IANA ID 78.
| Website | psi.jp |
|---|
API access
| Status | Not reviewed |
|---|
API access for PSI-Japan has not been checked yet.
About PSI-Japan
| Headquarters | Japan |
|---|---|
| Type | Retail registrar |
| ICANN accreditation | IANA ID 78 |
| Site languages | Japanese |
| RDAP server | https://rdap.psi.jp/ |
Domain extensions PSI-Japan sells
Confirmed on its site: .jp.
PSI-Japan in Lemon Domains
Bring PSI-Japan domains into Lemon Domains by pasting the domain list or uploading a CSV export, next to the domains from every other registrar you use. Lemon Domains tracks expiry dates and lets your AI assistant answer questions about them through MCP.
Other registrars in Japan
| Blocked | |
| Blocked | |
| Blocked | |
| Blocked | |
| Blocked | |
| Integrated |
Sources: the ICANN list of accredited registrars and the IANA registrar ID registry (refreshed 2026-10-24), and PSI-Japan's own site and documentation (reviewed 2026-10-24). This page is also available as Markdown and JSON. Something out of date? Tell us.
Frequently asked questions
Is PSI-Japan ICANN-accredited?
Yes. PSI-Japan is on the ICANN list of accredited registrars, so it can register generic extensions such as .com directly with the registries.
What is PSI-Japan's IANA ID?
78. The IANA registrar ID appears in the registrar field of a domain's public record, so it shows which registrar a domain is with.