The .rio top-level domain has 646 domains live in the DNS root zone as of 2026-07-28 · operated by Empresa Municipal de Informática SA - IPLANRIO on the NIC.br backend · general availability began 2015-01-10.

.rio

New GenericIn GA
Registry
Empresa Municipal de Informática SA - IPLANRIO
Technical Operator
NIC.br
Delegated
2014-05-22
General availability
2015-01-10
Domains live today
646
Registered domains (official)
669
as of 2026-02· +23 vs live

Domain growth · last 39 days

2026-06-112026-07-28

Hover any day for exact counts. Drag the timeline below the chart to scroll between dates.

Growth momentum

7-day vs 30-day average
7-day avg
-1/ day
30-day avg
+0/ day
Momentum
decelerating
-1/day vs 30-day
7-day avg 30-day avg

Daily net change (adds minus drops), smoothed into 7- and 30-day moving averages. When the 7-day line crosses above the 30-day, growth is accelerating; below, it's slowing. Zero line separates growth from contraction.

Apex label profile

Not yet computed for .rio. Profiles are built per TLD on the daily ingest runner.

Launch phases

Source: ICANN
  1. Sunrise· Start Date Sunrise
    Dec 05, 2014Jan 09, 2015
    closed
  2. Trademark Claims
    Sep 17, 2015
    in progress
  3. General Availability(estimated)
    Jan 10, 2015 → onwards
    live
#DateDomains liveCreatesExpiryDNSSEC
12026-07-28646+0−462
22026-07-23650+163
32026-07-22649+063
42026-07-21649+0−163
52026-07-20650+0−163
62026-07-19651+0−163
72026-07-18652+163
82026-07-17651+2−163
92026-07-16650+063
102026-07-15650+063
112026-07-14650+063
122026-07-13650+063
132026-07-12650+163
142026-07-11649+163
152026-07-10648+163
162026-07-09647+1−263
172026-07-08648+064
182026-07-07648+064
192026-07-06648+064
202026-07-05648+064
212026-07-04648+064
222026-07-03648+164
232026-07-02647+0−165
242026-07-01648+365
252026-06-30645+365
262026-06-29642+064
272026-06-28644+064
282026-06-27644+0−168
292026-06-26645+169
302026-06-25644+169
312026-06-24643+069
322026-06-23643+069
332026-06-22643+069
342026-06-21643+069
352026-06-20643+069
362026-06-19643+469
372026-06-18639+0−469
382026-06-12643+069
392026-06-11643+64370