.rio Top Level Domain Reference
geo gtld delegated.rio is an authoritative top-level domain administered by Empresa Municipal de Informática SA - IPLANRIO.
.rio Key Facts
- .rio is an authoritative top-level domain administered by Empresa Municipal de Informática SA - IPLANRIO.
- Classified as geo gtld under IANA root delegation.
- Authoritative root zone database maintained by IANA.
Registry Operator and Technical Backend
| Role | Designated Organization | Entity Type | Jurisdiction | Official Website |
|---|---|---|---|---|
| Registry Operator | Empresa Municipal de Informática SA - IPLANRIO | Contracted Registry Operator | Global | https://www.iana.org/domains/root/db/rio.html |
| Technical Backend RSP | Designated Registry Service Provider | Registry Service Provider (RSP) | Global DNS Infrastructure | N/A |
ICANN Registry Agreement and Contract Provisions
Contract Terms
- Base Contract Version: 2013-standard
- Signing Date: 2014-01-01 (Wednesday, January 1, 2014)
- Effective Date: 2014-01-01 (Wednesday, January 1, 2014)
- Agreement Expiration: 2029-01-01 (Monday, January 1, 2029)
- Official ICANN Contract: View Agreement Documentation →
Wholesale Price Provisions and Amendments
Governed by standard ICANN registry specifications and wholesale terms.
Wholesale Price Changes and Historical Caps
Official FilingsNo historical wholesale price cap changes or adjustments recorded in the curated repository for .rio.
Registry Operational Timeline
| Date | Event Type | Description | Authoritative Source |
|---|
Authoritative Root Nameservers and Registry Endpoints
Root Delegation Nameservers
- a.nic.rio 192.0.2.1
- b.nic.rio 192.0.2.2
Directory Registration Services
- WHOIS Server: whois.nic.rio
- RDAP Endpoint: https://rdap.nic.rio
- IANA Delegation Record: iana.org/domains/root/db/rio.html
Delegation Vintage, DNS Architecture & Governance Assessment
Wave V-VI (2012 New gTLD Program Cohort)Root Zone Infrastructure & Protocol Support
First delegated into the authoritative DNS root zone on 2014-01-01 (Wednesday, January 1, 2014), .rio belongs to the Wave V-VI (2012 New gTLD Program Cohort). Its top-level resolution path publishes 2 authoritative root nameservers backed by 2 IPv4 and 0 IPv6 glue records in the IANA root file.
For registration directory queries under RFC 7480 through 7484, .rio supports both modern JSON-based Registration Data Access Protocol (RDAP) queries via https://rdap.nic.rio and legacy port-43 WHOIS queries via whois.nic.rio.
Governance Model & Commercial Exposure
.rio operates as a geo gtld under the 2013-standard ICANN Registry Agreement managed by Empresa Municipal de Informática SA - IPLANRIO on the Designated Registry Service Provider technical backend.
Absent bilateral legacy price caps, wholesale renewal and premium tier pricing for .rio follow the operator's published registrar fee schedule subject to ICANN's standard 180-day price increase notice period.
.rio Frequently Asked Questions
Audited FAQ ReferenceQ1. What kind of top-level domain is .rio?
.rio is a generic top-level domain (gTLD) delegated in the authoritative IANA root zone database, with official registry filings overseen by ICANN.
Q2. Who operates the .rio domain registry?
The contracted registry operator for .rio is Empresa Municipal de Informática SA - IPLANRIO. Technical registry backend services and DNS infrastructure are supported by Designated Registry Service Provider.
Q3. How many domains are currently registered under .rio?
As of the latest audited reporting cycle, .rio has official IANA records active registered domains according to official registry filings.