Are there any restrictions to register a .AC.RU domain?

Yes, the registry enforces registration restrictions: Passport or tax ID verification required.

Does .AC.RU support localized characters (IDN)?

No, only standard alphanumeric English characters (a-z, 0-9) and hyphens are supported.

What is the character length limit for .AC.RU?

A .AC.RU domain name must be between 2 and 63 characters long.

Domain Extension Guide

.AC.RU Domain Registration & WHOIS

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

Extension Metadata

Min 2 Chr

Max 63 Chr

IDN NO

Category: general

Registration Eligibility

Passport or tax ID verification required

Overview & Registration Guidelines

The .AC.RU domain extension is The .ac.ru domain is a second-level extension under the Russian country code top-level domain (.ru), specifically allocated for higher education establishments, academic research institutions, and scientific societies like the Russian Academy of Sciences. 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. The following registration restrictions apply: Passport or tax ID verification required.

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.

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.AC.RU Domain Registration & WHOIS

Extension Metadata

Registration Eligibility

Overview & Registration Guidelines

Frequently Asked Questions