Delegated IANA root zone
.rio
Generic top-level domain
A source-linked reference record for .rio , combining IANA delegation data with registry metadata.
Registry Empresa Municipal de Informática SA - IPLANRIO
IANA type Generic
Registered 2014-05-15
DNSSEC Not determined
Overview
Registry
Technical
History
Sources
.rio is listed by IANA as a generic top-level domain. The sponsoring organisation shown in the IANA delegation record is Empresa Municipal de Informática SA - IPLANRIO.
Policy and eligibility are deliberately not inferred from the string name. Registration rules should be taken from the registry and its official documentation.
Sponsoring organisation Empresa Municipal de Informática SA - IPLANRIO
WHOIS Not published
Registration date 2014-05-15
IANA last update 2025-08-14
Technical information DNS and protocol details Root-level delegation and protocol endpoints surfaced without hiding the source.
Authoritative nameservers Published in the IANA delegation record.
a.dns.br 200.219.148.10 · 2001:12f8:6:0:0:0:0:10
b.dns.br 200.189.41.10 · 2001:12f8:8:0:0:0:0:10
c.dns.br 200.192.233.10 · 2001:12f8:a:0:0:0:0:10
d.dns.br 200.219.154.10 · 2001:12f8:4:0:0:0:0:10
e.dns.br 200.229.248.10 · 2001:12f8:2:0:0:0:0:10
f.dns.br 200.219.159.10 · 2001:12f8:c:0:0:0:0:10
Protocol endpoints Published registry lookup services.
WHOIS Not published
Delegation history Record timeline Only milestones that can be tied directly to official records are shown.
Delegation of the .rio domain to Empresa Municipal de Informática SA - IPLANRIO
2014-05-15 IANA registration date Registration date shown in the IANA delegation record.
2025-08-14 IANA record last updated Latest update date displayed by the IANA delegation record.
Sources Official records This page keeps operational facts attached to their original source.
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