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IANA Root Zone
.SU
Country-code top-level domain
Delegated
Delegation Record for .SU managed by Russian Institute for Development of Public Networks (ROSNIIROS).
Registered: 1990-09-19
Updated: 2026-07-27
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WHOIS Server
whois.tcinet.ru
RDAP Endpoint
Not Configured
Registry ServicesDirect URL N/A
Authoritative NS
6 Servers
Registry Contacts & Delegation Record
Sponsoring Organisation
Russian Institute for Development of Public Networks (ROSNIIROS)
1, Kurchatov Sq.
Moscow 123098
Russian Federation (the)
Administrative Contact
ROSNIIROS
Russian Institute for Development of Public Networks (ROSNIIROS)
1, Kurchatov Sq.
Moscow 123182
Russian Federation (the)
Email: su-adm@ripn.su
Voice: +7 499 196 49 84
Fax: +7 499 196 49 84
Technical Contact
Technical Center of Internet
Technical Center of Internet
8 Marta street 1, bld 12
Moscow 127083
Russian Federation (the)
Email: ru-tech@tcinet.ru
Voice: +7 495 730 29 69
Fax: +7 495 730 29 68
Authoritative Name Servers (6)
| Host Name | IP Address(es) |
|---|---|
| a.dns.ripn.net | 193.232.128.62001:678:17:0:193:232:128:6 |
| b.dns.ripn.net | 194.85.252.622001:678:16:0:194:85:252:62 |
| c.tld-servers.ru | 194.190.122.172a09:bd00:1:0:194:190:122:17 |
| d.dns.ripn.net | 194.190.124.172001:678:18:0:194:190:124:17 |
| e.dns.ripn.net | 193.232.142.172001:678:15:0:193:232:142:17 |
| f.dns.ripn.net | 193.232.156.172001:678:14:0:193:232:156:17 |
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