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Domain Extension Guide

.AC.JP Domain Registration & WHOIS

Analyze registry operators, character limits, IDN support status, and specific registration guidelines for .AC.JP domains.

Extension Metadata

Min 2 Chr
Max 63 Chr
IDN NO
Category: country
Operator: JPRS

Registration Eligibility

This extension is open to any individual or business globally without strict regulatory constraint policies.

Recently Queried Domains

search.ac.jp Query web.ac.jp Query domain.ac.jp Query example.ac.jp Query

Overview & Registration Guidelines

The .AC.JP domain extension is Reserved Japanese second-level domain for academic institutions. Managed by JPRS. Only universities, colleges, and research institutes accredited by the Japanese Ministry of Education (MEXT) may register. Hosts all major Japanese universities including the University of Tokyo, Kyoto University, and Osaka University. It requires a minimum label length of 2 characters and supports up to 63 characters. It does not support IDN characters, meaning only standard English characters are allowed. Registration is completely open and unrestricted globally to individuals and organizations.

To search for who owns a specific domain registered under this extension, you can perform a live query in our WHOIS portal above. The registry operator database will respond in real time with server details, domain status codes, registration/expiry dates, and name server arrays.

Frequently Asked Questions