Cbtu.gov.br Portal CBTU - Home

Cbtu.gov.br Overview

Cbtu.gov.br ranking shows that the page is at position 741,872 over the world.

Cbtu.gov.br hosting company servers are placed in the Brazil, but, unfortunately, it’s not possible to identify the countries where the bulk of cbtu.gov.br users come from and, therefore, we couldn’t define if the distance can influence the webpage load time. See the list of other webpages hosted on CLARO S.A., BR servers.

In terms of rank-to-traffic ratio, cbtu.gov.br has 489 unique users per day, viewing 978 pages. The rank based value of cbtu.gov.br is 9,461 USD. Every user makes 2.16 pageviews on average.

Cbtu.gov.br boasts a link base consisting of 245 referring domains and 267 external backlinks, as revealed by the data obtained from web network scanning.

Cbtu.gov.br top-level domain belongs to .BR domain zone. Check other webpages in .BR zone.

According the last verification test in September 05, 2024, cbtu.gov.br has an expired wildcard SSL certificate issued by Let's Encrypt (expired on October 29, 2024). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Let's Encrypt.

Based on data from Google Safe Browsing, Google Safe Search, Symantec and Web of Trust cbtu.gov.br is a fairly safe domain.

According the Mobile-Friendly test by Google cbtu.gov.br is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

Cbtu.gov.br Rank Summary

Global Rank

741,872

Average Load Time

2.64sec

Links In Count

151

Website Value

$8,760

Audience Geography. Where are cbtu.gov.br visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on cbtu.gov.br?

Subdomain	Pageviews

Subdomain	Pageviews per User

Subdomain	Reach

How popular is cbtu.gov.br?

Period	Global Rank	Global Rank Delta
past 3 months	741872	9871
past month	1166252	147593

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	939261	159526	3	-26.47%	2	-32.27%
30	1141627	-218690	2	20%	2	100%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	695518	-68128	6	8%
30	1229566	341249	3	-38.77%

Cbtu.gov.br Website Safety

Overview

Last Updated: 06/26/2026

Overall result - cbtu.gov.br is safe.

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Last Updated: 02/07/2026

cbtu.gov.br is safe.

Norton ConnectSafe evaluates cbtu.gov.br for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 02/12/2017

cbtu.gov.br is safe.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing

Last Updated: 01/09/2019

cbtu.gov.br is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

Site Advisor

Last Updated: 01/26/2021

cbtu.gov.br is safe.

McAfee assesses cbtu.gov.br for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze cbtu.gov.br for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/11/2019

cbtu.gov.br child safety is very good.

The WOT calculates reputation of the cbtu.gov.br. This reputation system receives ratings from users and information from third-party sources, assesses the cbtu.gov.br for safety features and confirms, whether cbtu.gov.br is suitable for children.

SSL Information

SSL Checker Tool

Domain	*.cbtu.gov.br
Issuer Organization	Let's Encrypt
Issuer	E5
Algorithm	ecdsa-with-SHA384
Valid form	07/31/2024
Expiration	10/29/2024
Signed	Certificate is not self signed
Additional Domains	*.cbtu.gov.br

Cbtu.gov.br Rank History

Alexa Rank shows how popular cbtu.gov.br is in comparison with other sites. The most popular site has Alexa Rank equals 1. If cbtu.gov.br has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to cbtu.gov.br and pageviews on cbtu.gov.br over the past 3 months.

Cbtu.gov.br Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 4230

ASN Title: CLARO S.A., BR

Last Update: 05/10/2026

% Joint Whois - whois.lacnic.net
% This server accepts single ASN, IPv4 or IPv6 queries

% Brazilian resource: whois.registro.br

% Copyright (c) Nic.br
% The use of the data below is only permitted as described in
% full by the terms of use at https://registro.br/termo/en.html ,
% being prohibited its distribution, commercialization or
% reproduction, in particular, to use it for advertising or
% any similar purpose.
% 2018-07-25T11:29:37-03:00

aut-num: AS4230
owner: CLARO S.A.
responsible: Gerência Internet EMBRATEL
owner-c: CAP12
routing-c: CAP12
abuse-c: GSE6
created: 19991116
changed: 20151020
inetnum: 200.210.0.0/16
inetnum: 200.211.0.0/16
inetnum: 200.230.0.0/16
inetnum: 200.231.0.0/16
inetnum: 200.241.0.0/16
inetnum: 200.242.0.0/16
inetnum: 200.243.0.0/16
inetnum: 200.244.0.0/16
inetnum: 200.245.0.0/16
inetnum: 200.246.0.0/16
inetnum: 200.247.0.0/16
inetnum: 200.248.0.0/16
inetnum: 200.249.0.0/16
inetnum: 200.250.0.0/16
inetnum: 200.251.0.0/16
inetnum: 200.252.0.0/16
inetnum: 200.253.0.0/16
inetnum: 200.254.0.0/16
inetnum: 200.255.0.0/16
inetnum: 200.200.0.0/16
inetnum: 200.208.0.0/16
inetnum: 200.209.0.0/16
inetnum: 200.214.0.0/16
inetnum: 200.212.0.0/16
inetnum: 200.213.0.0/16
inetnum: 200.191.0.0/16
inetnum: 200.228.0.0/16
inetnum: 200.227.0.0/16
inetnum: 200.182.0.0/16
inetnum: 200.183.0.0/16
inetnum: 200.178.0.0/16
inetnum: 200.179.0.0/16
inetnum: 200.174.0.0/16
inetnum: 200.172.0.0/16
inetnum: 200.166.0.0/16
inetnum: 200.167.0.0/16
inetnum: 201.30.0.0/16
inetnum: 201.31.0.0/16
inetnum: 201.38.0.0/16
inetnum: 201.44.0.0/15
inetnum: 201.56.0.0/15
inetnum: 201.64.0.0/15
inetnum: 201.72.0.0/15
inetnum: 201.39.0.0/16
inetnum: 201.90.0.0/16
inetnum: 189.2.0.0/15
inetnum: 189.16.0.0/15
inetnum: 189.22.0.0/15
inetnum: 189.42.0.0/15
inetnum: 189.52.0.0/15
inetnum: 189.86.0.0/15
inetnum: 189.88.0.0/16
inetnum: 187.28.0.0/15
inetnum: 187.30.0.0/16
inetnum: 2804:a8::/32
inetnum: 200.10.159.0/24
inetnum: 2804:17c::/32

nic-hdl-br: CAP12
person: Gerencia Técnica de Operações Internet
created: 19980202
changed: 20150922

nic-hdl-br: GSE6
person: Grupo de Segurança Internet da Embratel
created: 20001005
changed: 20160720

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

Cbtu.gov.br Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

% 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.
% 2022-08-29T21:31:45-03:00 - IP: 167.99.102.248

% Permission denied. For more information, contact abuse@registro.br

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

DNS Records

DNS Lookup Tool

Host	A Record	TTL
cbtu.gov.br	200.214.7.143	86400

Host	MX Record	Priority	TTL
cbtu.gov.br	pop2.cbtu.gov.br	30	86400
cbtu.gov.br	pop.cbtu.gov.br	25	86400

Host	NS Record	TTL
cbtu.gov.br	ns2.cbtu.gov.br	86400
cbtu.gov.br	ns1.cbtu.gov.br	86400

Host	TXT Record	TTL

ns1.cbtu.gov.br
TTL: 86400
Email address: suporte.cbtu.gov.br
Serial: 2008040204
Refresh: 14400
Retry: 3600
Expire: 1209600
Minimum: 86400

Cbtu.gov.br HTML Check

HTML Validation Tool

Errors

Bad value “null” for attribute “media” on element “link”: Media query ended prematurely.

Attribute “attribs” not allowed on element “link” at this point.

Start tag “a” seen but an element of the same type was already open.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Element “label” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)

Element “input” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)

No space between attributes.

End tag “section” seen, but there were open elements.

Unclosed element “div”.

Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)

The “font” element is obsolete. Use CSS instead.

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.

The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.

The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.

Duplicate ID “tablogin”.

Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)

Stray start tag “script”.

Cannot recover after last error. Any further errors will be ignored.

Warnings

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

The first occurrence of ID “tablogin” was here.

Cbtu.gov.br Desktop Performance

Last tested: 01/02/2020

Desktop Speed

20%

Optimize images

Enable compression

Leverage browser caching

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Avoid landing page redirects

Minify CSS

Minify HTML

Minify JavaScript

Desktop Resource Breakdown

Total Resources	124
Number of Hosts	16
Static Resources	76
JavaScript Resources	34
CSS Resources	12

Cbtu.gov.br Mobile Insights

Last tested: 02/10/2019

Mobile Usability

94%

Size tap targets appropriately

Mobile Speed

28%

Optimize images

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Leverage browser caching

Avoid landing page redirects

Minify CSS

Minify HTML

Minify JavaScript

Mobile Resource Breakdown

Total Resources	106
Number of Hosts	15
Static Resources	77
JavaScript Resources	32
CSS Resources	12

Cbtu.gov.br Common Typos

www.cbtu.com
www.cbtu.net
www.cbtu.org
www.cbtu.info
www.cbtu.biz
www.cbtu.us
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www.cbtiu.gov.br

Cbtu.gov.br Portal CBTU - Home

Cbtu.gov.br Overview

Cbtu.gov.br Rank Summary

Cbtu.gov.br Website Safety

Cbtu.gov.br Rank History

Cbtu.gov.br Hosting Information

Cbtu.gov.br Domain Registration and Settings

Cbtu.gov.br HTML Check

Cbtu.gov.br Desktop Performance

Cbtu.gov.br Mobile Insights

Cbtu.gov.br Similar Audits

Cbtu.gov.br Common Typos