refera.com.br Refera.com.br

   
Refera - A plataforma de manutenções

Domain Summary

What is the traffic rank for Refera.com.br?

• Refera.com.br ranks #3,404,805 globally on HypeStat.

What percent of global Internet users visit Refera.com.br?

1.19E-5% of global Internet users visit Refera.com.br

How many people visit Refera.com.br each day?

• Refera.com.br receives approximately 589 visitors and 3,017 page impressions per day.

Which countries does Refera.com.br receive most of its visitors from?

• Refera.com.br is mostly visited by people located in Brazil.

How much Refera.com.br can earn?

• Refera.com.br should earn about $4.01/day from advertising revenue.

What is Refera.com.br estimated value?

• Estimated value of Refera.com.br is $3,974.36.

What IP addresses does Refera.com.br resolve to?

• Refera.com.br resolves to the IP addresses 2600:9000:2029:f600:13:78ec:6bc0:93a1, 54.230.18.88.

Where are Refera.com.br servers located in?

• Refera.com.br has servers located in United States.

refera.com.br Profile

Title:Refera - A plataforma de manutenções
Description:Plataforma de manutenções para imobiliárias, cuidamos do chamado de ponta a ponta.
Category:Business and Consumer Services / Marketing and Advertising

What technologies does refera.com.br use?

These are the technologies used at refera.com.br. refera.com.br has a total of 21 technologies installed in 18 different categories.

refera.com.br Traffic Analysis

Refera.com.br is ranked #3,404,805 in the world. This website is viewed by an estimated 589 visitors daily, generating a total of 3K pageviews. This equates to about 17.8K monthly visitors. Refera.com.br traffic has decreased by 78.11% compared to last month.
Daily Visitors589
83.31%
Monthly Visits17.8K
78.11%
Pages per Visit5.12
10.36%
Visit duration02:40
127.03%
Bounce Rate50.56%
479.89%
Is this your site?Verify your site's metrics.
Daily Unique Visitors:
589
Monthly Visits:
17,847
Pages per Visit:
5.12
Daily Pageviews:
3,017
Avg. visit duration:
02:40
Bounce rate:
50.56%
Global Reach:
1.19E-5%
Monthly Visits (SEMrush):
3,869
Monthly Unique Visitors (SEMrush):
2,666
Monthly Visits (SimilarWeb):
18,031
HypeRank:
3,404,805
SEMrush Rank:
16,683,900
SimilarWeb Rank:
1,169,323
*All traffic values are estimates only.

Traffic sources

Direct:
46.55%
Referral:
52.57%
Search:
0.88%
Social:
0%
Paid:
0%

Desktop vs Mobile

Desktop:
99.90%
Mobile:
0.10%

Total Visits Last 3 Months

18.6K
MAY
81.5K
JUN
17.8K
JUL

Visitors by country

Country
Users%
 
Brazil 100.00%

Which sites are competitors to refera.com.br?

Websites similar to refera.com.br are sites similar on user interests and browsing behavior. Users can discover new websites that are similar to the ones they already enjoy or find useful.
Last update was 205 days ago
     
This can take up to 60 seconds. Please wait...

*HypeStat.com is not promoting or affiliated with refera.com.br in any way. Only publicly available statistics data are displayed.

Search Engine Indexes

Search engine indexes are huge databases or collections of net pages that search engines like google like google and yahoo use to retrieve applicable facts while customers carry out searches. These indexes are created through search engines like google and yahoo through crawling and indexing net pages from throughout the internet.
Google Index:
172

 

SEMrush is a complete on line advertising and marketing platform that gives a extensive variety of gear and functions to help companies and entrepreneurs in enhancing their on line visibility and optimizing their virtual advertising and marketing strategies.
SemRushSemRush
Domain:
  refera.com.br
Rank:
(Rank based on keywords, cost and organic traffic)
  16,683,900
Organic Keywords:
(Number of keywords in top 20 Google SERP)
  9
Organic Traffic:
(Number of visitors coming from top 20 search results)
  0
Organic Cost:
((How much need to spend if get same number of visitors from Google Adwords)
  $0.00

Revenue report

Google.com would generate approximately $4 per day if the source of income were advertisements, which equates to an estimated monthly revenue of $120.3 and annual gross revenue of approximately $1.5K. Based on these figures, the site's net worth is estimated at around $4K.

How much would refera.com.br make?

Daily Revenue:
$4.01
Monthly Revenue:
$120.30
Yearly Revenue:
$1,463.65
*All earnings values are estimates only.

Daily earning by country

 
CountryPageviewsEarning
 
Brazil 3,017$4.01

Loss of money due to Adblock?

Daily Revenue Loss:
$0.24
Monthly Revenue Loss:
$7.22
Yearly Revenue Loss:
$87.88
Daily Pageviews Blocked:
181
Monthly Pageviews Blocked:
5,431
Yearly Pageviews Blocked:
66,072

Daily revenue loss by country

 
CountryBlockedLost Money
 
Brazil 181$0.24

How much is refera.com.br worth?

Website Value:
$4K

Ad Experience Report

Summary of the ad experience rating of a website for a specific platform.

Mobile summary

Root domain:
refera.com.br
Ad filtering:
(Chrome is not filtering ads on your site.)
Off
Status:
(The status of the site that is reviewed for the Better Ads Standards.)
Not reviewed

Desktop summary

Root domain:
refera.com.br
Ad filtering:
(Chrome is not filtering ads on your site.)
Off
Status:
(The status of the site that is reviewed for the Better Ads Standards.)
Not reviewed

Abusive Experience Report

Summary of the abusive experience rating of a website.
Root domain:
refera.com.br
Enforcement:
(Chrome is not preventing your site from opening new windows or tabs.)
Off
Status:
(The status of the site reviewed for the abusive experiences.)
Not reviewed

Where is refera.com.br hosted?

Refera.com.br may be hosted in multiple data centers distributed in different locations around the world. This is probably just one of them.
Server IP:
2600:9000:2029:f600:13:78ec:6bc0:93a1, 54.230.18.88
ASN:
AS16509 
ISP:
Amazon.com, Inc. 
Server Location:

United States, US
 

Other sites hosted on 54.230.18.88

How fast does refera.com.br load?

The average loading time of refera.com.br is 109 ms. The Desktop speed index is 100 and mobile speed index is 90.
Average Load Time:
109 ms

Page Speed (Google PageSpeed Insights) - Desktop

100
0-49 50-89 90-100 i

Field Data

Over the last 30 days, the field data shows that this page has a FAST speed compared to other pages in the Chrome User Experience Report.We are showing the 90th percentile of FCP and the 95th percentile of FID.

Cumulative Layout Shift (CLS)1ms 87% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 87% 5% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 5% 7% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 7%
Time To First Byte (TTFB)376ms 94% of loads for this page have a fast (<0.8s) Time To First Byte (TTFB) 94% 4% of loads for this page have an average (0.8s ~ 1.8s) Time To First Byte (TTFB) 4% 0% of loads for this page have a slow (>1.8s) Time To First Byte (TTFB) 0%
First Contentful Paint (FCP)979ms 92% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 92% 6% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 6% 1% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 1%
First Input Delay (FID)2ms 97% of loads for this page have a fast (<100ms) First Input Delay (FID) 97% 2% of loads for this page have an average (100ms ~ 300ms) First Input Delay (FID) 2% 0% of loads for this page have a slow (>300ms) First Input Delay (FID) 0%
Interaction To Next Paint (INP)47ms 98% of loads for this page have a fast (<200ms) Interaction To Next Paint (INP) 98% 0% of loads for this page have an average (200ms ~ 500ms) Interaction To Next Paint (INP) 0% 1% of loads for this page have a slow (>500ms) Interaction To Next Paint (INP) 1%
Largest Contentful Paint (LCP)1.2s 94% of loads for this page have a fast (<2500ms) Largest Contentful Paint (LCP) 94% 3% of loads for this page have an average (2500ms ~ 4000ms) Largest Contentful Paint (LCP) 3% 2% of loads for this page have a slow (>4000ms) Largest Contentful Paint (LCP) 2%

Origin Data

All pages served from this origin have an FAST speed compared to other pages in the Chrome User Experience Report. over the last 30 days.To view suggestions tailored to each page, analyze individual page URLs.

Cumulative Layout Shift (CLS)1ms 87% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 87% 5% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 5% 7% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 7%
Time To First Byte (TTFB)376ms 94% of loads for this page have a fast (<0.8s) Time To First Byte (TTFB) 94% 4% of loads for this page have an average (0.8s ~ 1.8s) Time To First Byte (TTFB) 4% 0% of loads for this page have a slow (>1.8s) Time To First Byte (TTFB) 0%
First Contentful Paint (FCP)979ms 92% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 92% 6% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 6% 1% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 1%
First Input Delay (FID)2ms 97% of loads for this page have a fast (<100ms) First Input Delay (FID) 97% 2% of loads for this page have an average 100ms ~ 300ms) First Input Delay (FID) 2% 0% of loads for this page have a slow (>300ms) First Input Delay (FID) 0%
Interaction To Next Paint (INP)47ms 98% of loads for this page have a fast (<200ms) Interaction To Next Paint (INP) 98% 0% of loads for this page have an average (200ms ~ 500ms) Interaction To Next Paint (INP) 0% 1% of loads for this page have a slow (>500ms) Interaction To Next Paint (INP) 1%
Largest Contentful Paint (LCP)1.2s 94% of loads for this page have a fast (<2500ms) Largest Contentful Paint (LCP) 94% 3% of loads for this page have an average (2500ms ~ 4000ms) Largest Contentful Paint (LCP) 3% 2% of loads for this page have a slow (>4000ms) Largest Contentful Paint (LCP) 2%

Lab Data

Largest Contentful Paint 0.6 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more about the Largest Contentful Paint metric
First Meaningful Paint 0.4 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more about the First Meaningful Paint metric
Total Blocking Time 0 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more about the Total Blocking Time metric
Max Potential First Input Delay 70 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric
Time to Interactive 1.0 s
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric
Lazy load third-party resources with facades  
Some third-party embeds can be lazy loaded. Consider replacing them with a facade until they are required. Learn how to defer third-parties with a facade
First Contentful Paint 0.4 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more about the First Contentful Paint metric
Speed Index 0.9 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric

Page Speed (Google PageSpeed Insights) - Mobile

90
0-49 50-89 90-100 i

Field Data

Over the last 30 days, the field data shows that this page has a FAST speed compared to other pages in the Chrome User Experience Report.We are showing the 90th percentile of FCP and the 95th percentile of FID.

Cumulative Layout Shift (CLS)0ms 87% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 89% 3% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 3% 6% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 6%
Time To First Byte (TTFB)623ms 94% of loads for this page have a fast (<800s) Time To First Byte (TTFB) 87% 10% of loads for this page have an average (800s ~ 1800s) Time To First Byte (TTFB) 10% 2% of loads for this page have a slow (>1800s) Time To First Byte (TTFB) 2%
First Contentful Paint (FCP)1.3s 92% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 89% 7% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 7% 2% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 2%
First Input Delay (FID)10ms 97% of loads for this page have a fast (<100ms) First Input Delay (FID) 97% 2% of loads for this page have an average (100ms ~ 300ms) First Input Delay (FID) 2% 0% of loads for this page have a slow (>300ms) First Input Delay (FID) 0%
Interactive To Next Paint (INP)129ms 98% of loads for this page have a fast (<200s) Interactive To Next Paint (INP) 89% 6% of loads for this page have an average (200s ~ 500s) Interactive To Next Paint (INP) 6% 3% of loads for this page have a slow (>500s) Interactive To Next Paint (INP) 3%
Largest Contentful Paint (LCP)1.5s 94% of loads for this page have a fast (<2500s) Largest Contentful Paint (LCP) 93% 5% of loads for this page have an average (2500s ~ 4000s) Largest Contentful Paint (LCP) 5% 1% of loads for this page have a slow (>4000s) Largest Contentful Paint (LCP) 1%

Origin Data

All pages served from this origin have an FAST speed compared to other pages in the Chrome User Experience Report. over the last 30 days.To view suggestions tailored to each page, analyze individual page URLs.

Cumulative Layout Shift (CLS)0ms 89% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 89% 3% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 3% 6% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 6%
Time To First Byte (TTFB)623ms 87% of loads for this page have a fast (<0.8s) Time To First Byte (TTFB) 87% 10% of loads for this page have an average (0.8s ~ 1.8s) Time To First Byte (TTFB) 10% 2% of loads for this page have a slow (>1.8s) Time To First Byte (TTFB) 2%
First Contentful Paint (FCP)1.3s 89% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 89% 7% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 7% 2% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 2%
First Input Delay (FID)10ms 97% of loads for this page have a fast (<100ms) First Input Delay (FID) 97% 2% of loads for this page have an average 100ms ~ 300ms) First Input Delay (FID) 2% 0% of loads for this page have a slow (>300ms) First Input Delay (FID) 0%
Interactive To Next Paint (INP)129ms 89% of loads for this page have a fast (<0.2s) Interactive To Next Paint (INP) 89% 6% of loads for this page have an average (0.2s ~ 0.5s) Interactive To Next Paint (INP) 6% 3% of loads for this page have a slow (>0.5s) Interactive To Next Paint (INP) 3%
Largest Contentful Paint (LCP)1.5s 93% of loads for this page have a fast (<2.5s)Largest Contentful Paint (LCP) 93% 5% of loads for this page have an average (2.5s ~ 4s)Largest Contentful Paint (LCP) 5% 1% of loads for this page have a slow (>4s)Largest Contentful Paint (LCP) 1%

Lab Data

Time to Interactive 4.4 s
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric
Max Potential First Input Delay 140 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric
Largest Contentful Paint 3.6 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more about the Largest Contentful Paint metric
First Contentful Paint 1.1 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more about the First Contentful Paint metric
Speed Index 1.8 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric
Total Blocking Time 60 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more about the Total Blocking Time metric
Lazy load third-party resources with facades  
Some third-party embeds can be lazy loaded. Consider replacing them with a facade until they are required. Learn how to defer third-parties with a facade
First Meaningful Paint 1.1 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more about the First Meaningful Paint metric

Does refera.com.br use compression?

Website compression is the process of reducing the size of website files, such as HTML, CSS, JavaScript, and image files, to improve website performance and load times. Compressing website files can significantly reduce the amount of data that needs to be transferred from the server to the user's browser, resulting in faster page load times and improved user experience. Files on refera.com.br are reduced by 79%.
refera.com.br use gzip compression.
Original size: 179.22 KB
Compressed size: 36.85 KB
File reduced by: 142.37 KB (79%)

Google Safe Browsing

Google Safe Browsing is a service provided by Google that helps protect users from visiting websites that may contain malicious or harmful content, such as malware, phishing attempts, or deceptive software.
This site is not currently listed as suspicious

MyWot.com Reputation Ratings

MyWOT (short for "My Web of Trust") is a web-based reputation and rating service that provides users with information about the trustworthiness and safety of websites.
Status:
  SAFE

SSL Checker - SSL Certificate Verify

An SSL (Secure Sockets Layer) certificate is a digital certificate that establishes a secure encrypted connection between a web server and a user's web browser. It provides authentication and encryption, ensuring that data transmitted between the server and the browser remains private and protected. refera.com.br supports HTTPS.
 refera.com.br supports HTTPS
     
Verifying SSL Support. Please wait...
Common Name: refera.com.br
Organization:
Location:
Issuer: Amazon RSA 2048 M03
Valid from: Apr 21 00:00:00 2024 GMT
Valid until: May 19 23:59:59 2025 GMT
Authority: CA:FALSE
Keysize: 2048 Bits
Common Name: Amazon RSA 2048 M03
Organization: Amazon
Location: US
Issuer: Amazon Root CA 1
Valid from: Aug 23 22:26:04 2022 GMT
Valid until: Aug 23 22:26:04 2030 GMT
Authority: CA:TRUE
Keysize: 2048 Bits
Common Name: Amazon Root CA 1
Organization: Amazon
Location: US
Issuer: Starfield Services Root Certificate Authority - G2
Valid from: May 25 12:00:00 2015 GMT
Valid until: Dec 31 01:00:00 2037 GMT
Authority: CA:TRUE
Keysize: 2048 Bits
Common Name: Starfield Services Root Certificate Authority - G2
Organization: "Starfield Technologies, Inc."
Location: Scottsdale, Arizona, US
Issuer:
Valid from: Sep 2 00:00:00 2009 GMT
Valid until: Jun 28 17:39:16 2034 GMT
Authority: CA:TRUE
Keysize: 2048 Bits

Verify HTTP/2 Support

HTTP/2 (Hypertext Transfer Protocol version 2) is a major revision of the HTTP protocol, which is the foundation of data communication on the World Wide Web. It was developed as an improvement over the previous HTTP/1.1 version to enhance web performance and efficiency.
 refera.com.br supports HTTP/2
     
Verifying HTTP/2.0 Support. Please wait...

Http Header

HTTP headers are extra portions of records despatched among a consumer (which include an internet browser) and a server at some stage in an HTTP request or response. They offer instructions, metadata, or manipulate parameters for the conversation among the consumer and server.
content-type: text/html; charset=UTF-8
server: nginx
date: Mon, 12 Aug 2024 00:01:02 GMT
vary: Accept-Encoding
last-modified: Sun, 11 Aug 2024 12:45:12 GMT
strict-transport-security: max-age=31536000; includeSubDomains
content-security-policy: upgrade-insecure-requests
x-content-type-options: nosniff
expect-ct: max-age=7776000, enforce
referrer-policy: no-referrer-when-downgrade
content-encoding: gzip
x-cache: Miss from cloudfront
via: 1.1 483e339a1d6b5f974e1bdaa33439ea1c.cloudfront.net (CloudFront)
x-amz-cf-pop: ORD51-C3
x-amz-cf-id: KSul-ix16pAS86wSUZa8koHrjVMbAF9HTWgJpaQROEF9r71RY28pow==

DNS Lookup

DNS entries (Domain Name System) are a critical component of the Internet infrastructure. They act as directories that translate human-readable domain names (such as example.com) to machine-readable IP addresses. DNS records are stored on DNS servers and help forward internet traffic efficiently.
Type Ip Target/Txt TTL
TXT google-site-verification=TsTOF7Z4Ox4NUQWqa6zoFzaiTkiVUsT-fSYgfUeSL34 300
TXT google-site-verification=syzr_9x8s-SSlxYEKvCcrg0TE3trcKPf6KfLHcDBAV8 300
MX alt2.aspmx.l.google.com 3600
MX alt4.aspmx.l.google.com 3600
MX alt3.aspmx.l.google.com 3600
MX alt1.aspmx.l.google.com 3600
MX aspmx.l.google.com 3600
SOA 900
Mname ns-750.awsdns-29.net
Rname awsdns-hostmaster.amazon.com
Serial Number 1
Refresh 7200
Retry 900
Expire 1209600
Minimum TTL 86400
AAAA 2600:9000:2029:ce00:13:78ec:6bc0:93a1 4
AAAA 2600:9000:2029:8000:13:78ec:6bc0:93a1 4
AAAA 2600:9000:2029:5200:13:78ec:6bc0:93a1 4
AAAA 2600:9000:2029:9800:13:78ec:6bc0:93a1 4
AAAA 2600:9000:2029:6400:13:78ec:6bc0:93a1 4
AAAA 2600:9000:2029:9000:13:78ec:6bc0:93a1 4
AAAA 2600:9000:2029:5c00:13:78ec:6bc0:93a1 4
AAAA 2600:9000:2029:f600:13:78ec:6bc0:93a1 4
A 54.230.18.113 4
A 54.230.18.98 4
A 54.230.18.73 4
A 54.230.18.88 4
NS ns-1253.awsdns-28.org 3543
NS ns-1813.awsdns-34.co.uk 3543
NS ns-363.awsdns-45.com 3543
NS ns-750.awsdns-29.net 3543

Whois Lookup

Domain WHOIS is a public database that provides information about domain names, including registered owners, contact information, domain registrars, registration and expiration dates, name servers, and other relevant information. Domain registration for this website began on June 5, 2020 and will expire on June 5, 2026 if not renewed. This website is now assigned through the registrar Lucas Madalosso Vieira. The WHOIS data for this website's domain was last updated on May 14, 2024.
Domain Created:
2020-06-05
Domain Expires:
2026-06-05
Domain Updated:
2024-05-14
Domain Age:
4 years 9 months
Domain Registrar:
Lucas Madalosso Vieira
Domain Owner:
REFERA TECNOLOGIA S.A.
WhoIs:
 

% Copyright (c) Nic.br
%  The use of the data below is only permitted as described in
%  full by the Use and Privacy Policy at https://registro.br/upp ,
%  being prohibited its distribution, commercialization or
%  reproduction, in particular, to use it for advertising or
%  any similar purpose.
%  2024-08-11T21:01:57-03:00 - IP: 108.178.0.234

domain:      refera.com.br
owner:       REFERA TECNOLOGIA S.A.
ownerid:     37.041.857/0001-60
responsible: Resp. Leticia
country:     BR
owner-c:     VMP39
tech-c:      LUMVI114
nserver:     ns-750.awsdns-29.net
nsstat:      20240811 AA
nslastaa:    20240811
nserver:     ns-1253.awsdns-28.org
nsstat:      20240811 AA
nslastaa:    20240811
nserver:     ns-1813.awsdns-34.co.uk
nsstat:      20240811 AA
nslastaa:    20240811
saci:        yes
created:     20200605 #21112501
changed:     20240514
expires:     20260605
status:      published

nic-hdl-br:  VMP39
person:      Vilage Marcas e Patentes
e-mail:      email
country:     BR
created:     20021218
changed:     20220617

nic-hdl-br:  LUMVI114
person:      Lucas Madalosso Vieira
e-mail:      email
country:     BR
created:     20200528
changed:     20240506

% Security and mail abuse issues should also be addressed to
% cert.br, http://www.cert.br/ , respectivelly to email
% and email
%
% whois.registro.br accepts only direct match queries. Types
% of queries are: domain (.br), registrant (tax ID), ticket,
% provider, CIDR block, IP and ASN.