Top Level Domain

RU-CENTER is a Registrar of domain names in SU accredited by the Foundation for Internet Development.
The registration is open to anyone. A Registrant willing to get a SU registration will be required to submit authentic personal data.
The SU TLD allows an option to register a domain in national script (IDN).

.su
Registration .SU 590 rub/year 
Renewal 790 rub/year
Registrant change Free
Registrar change (Transfer to RU-CENTER)
Prices include taxes

RU-CENTER provides

Domain registration in the Register for a natural person or a legal entity

domain management interface

DNS testing

prompt notification about registration renewal

domain registration renewal in the Register upon payment

As well as

cancels the delegation and deletes the domain from the Register, if unpaid;

Registrant may

change DNS and manage domain delegation

DNSSEC Setup

change contact data

transfer domain ownership to another Registrant

transfer domain sponsorship to another Registrar

cancel domain registration

Documents:

Domains Registration Schedule in SU TLD