Cra.cz Datové centrum, přenos dat, cloud | cra.cz

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Cra.cz Quick Summary

Status

Offline

Server IP address resolved: No

Http response code: None

Last Checked: 05/07/2024

Cra.cz traffic estimate is about 188 unique visitors and 188 pageviews per day. The approximated value of cra.cz is 2,920 USD. Every unique visitor makes about 1 pageviews on average.

Alexa Traffic Rank estimates that cra.cz is ranked number 30,006 in the world.

Cra.cz is registered under .CZ top-level domain. Check other websites in .CZ zone.

During the last check (April 26, 2021) cra.cz has an expired SSL certificate issued by Sectigo Limited (expired on February 21, 2022), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by Sectigo Limited.

In accordance with Google Safe Browsing, Google Safe Search and Symantec cra.cz is pretty a safe domain.

Relying on Google Mobile-Friendly test cra.cz is well optimized for mobile and tablet devices, however website page loading time may be improved.

Cra.cz General Information

Cra.cz Audience Geography

Where are website visitors coming from?

Visitors
Pageviews
Ranks

Country	Visitors

Cra.cz Traffic Distribution

Where do visitors go on cra.cz?

Subdomain Traffic
Views per User
Subdomain Reach

Subdomain	Pageviews

Cra.cz Popularity

How popular is cra.cz?

Global Rank
Pageviews
Reach

Period	Global Rank	Global Rank Delta
past 3 months	3662764	2786095

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	4567167	3632670	0	-91.841%	1	-59.35%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	3234788	2327668	9	-79.897%

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Cra.cz Safety Information

Rankchart Summary

Safe

Updated: 05/07/2024

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

Safe

Updated: 03/18/2024

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Norton ConnectSafe evaluates websites for any unsafe and inapropriate content. The results are important for families with young children.

Google Safe Search

Safe

Updated: 05/24/2017

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SafeSearch works as a parental control tool to filter out any content that might be inappropriate for your children.

Google Safe Browsing

Safe

Malware not found

Phishing not detected

Unwanted software not found

Harmfull applications not found

Updated: 01/09/2019

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

McAfee® WebAdvisor

Safe

Updated: 02/18/2021

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McAfee assesses cra.cz 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 cra.cz for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Not Checked

Updated: 05/07/2024

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

Cra.cz SSL Information

Information about SSL/TLS certificates

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Domain	cra.cz
Issuer Organization	Sectigo Limited
Issuer	Sectigo RSA Domain Validation Secure Server CA
Algorithm	RSA-SHA256
Valid form	02/15/2021
Expiration	02/21/2022
Signed	Certificate is not self signed
Additional Domains	cra.cz www.cra.cz

SSL Checker

Cra.cz Server Information

Cra.cz Server Location

Where website hosting server is located?

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Cra.cz ASN Information

Information about IP address owner

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ASN ID: 25248

ASN Title: RADIOKOMUNIKACE a.s.

Updated: 03/17/2024

Raw ASN data:

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See http://www.ripe.net/db/support/db-terms-conditions.pdf

% Note: this output has been filtered.
% To receive output for a database update, use the "-B" flag.

% Information related to 'AS25164 - AS25249'

as-block: AS25164 - AS25249
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2010-05-11T11:46:07Z
last-modified: 2014-02-24T13:15:17Z
source: RIPE

% Information related to 'AS25248'

% Abuse contact for 'AS25248' is 'abuse@bluetone.cz'

aut-num: AS25248
as-name: BlueTone-AS
descr: The Czech Republic
org: ORG-CRa1-RIPE
import: from AS1299 accept ANY
export: to AS1299 announce AS-BLUETONE-CUST
import: from AS5588 accept ANY
export: to AS5588 announce AS-BLUETONE-CUST
import: from AS8928 accept ANY
export: to AS8928 announce AS-BLUETONE-CUST
import: from AS25192 accept ANY
export: to AS25192 announce AS-BLUETONE-CUST
import: from AS29134 accept ANY
export: to AS29134 announce AS-BLUETONE-CUST
import: from AS20723 accept ANY
export: to AS20723 announce AS-BLUETONE-CUST
import: from AS29321 accept ANY
export: to AS29134 announce AS-BLUETONE-CUST
import: from AS29134 accept ANY
export: to AS29321 announce AS-BLUETONE-CUST
import: from AS29208 accept ANY
export: to AS29208 announce AS-BLUETONE-CUST
import: from AS15685 accept ANY
export: to AS15685 announce AS-BLUETONE-CUST
import: from AS25424 accept ANY
export: to AS25424 announce AS-BLUETONE-CUST
import: from AS29113 accept ANY
export: to AS29113 announce AS-BLUETONE-CUST
import: from AS29086 accept ANY
export: to AS29086 announce AS-BLUETONE-CUST
import: from AS21430 accept ANY
export: to AS21430 announce AS-BLUETONE-CUST
import: from AS5407 accept ANY
export: to AS5407 announce AS-BLUETONE-CUST
import: from AS35592 accept ANY
export: to AS35592 announce AS-BLUETONE-CUST
import: from AS15512 accept ANY
export: to AS15512 announce AS-BLUETONE-CUST
import: from AS42000 accept ANY
export: to AS42000 announce AS-BLUETONE-CUST
import: from AS39817 accept ANY
export: to AS39817 announce AS-BLUETONE-CUST
import: from AS15935 accept ANY
export: to AS15935 announce AS-BLUETONE-CUST
import: from AS38949 accept ANY
export: to AS38949 announce AS-BLUETONE-CUST
import: from AS2819 accept ANY
export: to AS2819 announce AS-BLUETONE-CUST
import: from AS34315 accept ANY
export: to AS34315 announce AS-BLUETONE-CUST
import: from AS12570 accept ANY
export: to AS12570 announce AS-BLUETONE-CUST
import: from AS16246 accept ANY
export: to AS16246 announce AS-BLUETONE-CUST
import: from AS2686 accept ANY
export: to AS2686 announce AS-BLUETONE-CUST
import: from AS8251 accept ANY
export: to AS8251 announce AS-BLUETONE-CUST
import: from AS31246 accept ANY
export: to AS31246 announce AS-BLUETONE-CUST
import: from AS39235 accept ANY
export: to AS39235 announce AS-BLUETONE-CUST
import: from AS24971 accept ANY
export: to AS24971 announce AS-BLUETONE-CUST
import: from AS30764 accept ANY
export: to AS30764 announce AS-BLUETONE-CUST
import: from AS16019 accept ANY
export: to AS16019 announce AS-BLUETONE-CUST
import: from AS25512 accept ANY
export: to AS25512 announce AS-BLUETONE-CUST
import: from AS13036 accept ANY
export: to AS13036 announce AS-BLUETONE-CUST
import: from AS28725 accept ANY
export: to AS28725 announce AS-BLUETONE-CUST
import: from AS8928 accept ANY
export: to AS8928 announce AS-BLUETONE-CUST
import: from AS34080 accept ANY
export: to AS34080 announce AS-BLUETONE-CUST
import: from AS35361 accept ANY
export: to AS35361 announce AS-BLUETONE-CUST
import: from AS25036 accept ANY
export: to AS25036 announce AS-BLUETONE-CUST
import: from AS35214 accept ANY
export: to AS35214 announce AS-BLUETONE-CUST
import: from AS33883 accept ANY
export: to AS33883 announce AS-BLUETONE-CUST
import: from AS35236 accept ANY
export: to AS35236 announce AS-BLUETONE-CUST
import: from AS39392 accept ANY
export: to AS39392 announce AS-BLUETONE-CUST
import: from AS29583 accept ANY
export: to AS29583 announce AS-BLUETONE-CUST
import: from AS5610 accept ANY
export: to AS5610 announce AS-BLUETONE-CUST
import: from AS24806 accept ANY
export: to AS24806 announce AS-BLUETONE-CUST
import: from AS8913 accept ANY
export: to AS8913 announce AS-BLUETONE-CUST
import: from AS30134 accept ANY
export: to AS30134 announce AS-BLUETONE-CUST
import: from AS39791 accept ANY
export: to AS39791 announce AS-BLUETONE-CUST
import: from AS2852 accept ANY
export: to AS2852 announce AS-BLUETONE-CUST
import: from AS9080 accept ANY
export: to AS9080 announce AS-BLUETONE-CUST
import: from AS12767 accept ANY
export: to AS12767 announce AS-BLUETONE-CUST
import: from AS25234 accept ANY
export: to AS25234 announce AS-BLUETONE-CUST
import: from AS112 accept ANY
export: to AS112 announce AS-BLUETONE-CUST
import: from AS6881 accept ANY
export: to AS6881 announce AS-BLUETONE-CUST
import: from AS15598 accept AS-IPX
export: to AS15598 announce AS-BLUETONE-CUST
import: from AS39790 accept ANY
export: to AS39790 announce AS-BLUETONE-CUST
import: from AS16265 accept ANY
export: to AS16265 announce AS-BLUETONE-CUST
import: from AS41711 accept ANY
export: to AS41711 announce AS-BLUETONE-CUST
import: from AS42908 accept ANY
export: to AS42908 announce AS-BLUETONE-CUST
import: from AS28972 accept ANY
export: to AS28972 announce AS-BLUETONE-CUST
import: from AS42306 accept ANY
export: to AS42306 announce AS-BLUETONE-CUST
import: from AS28851 accept AS28851
export: to AS28851 announce AS-BLUETONE-CUST
import: from AS43708 accept AS43708
export: to AS43708 announce AS-BLUETONE-CUST
import: from AS43541 accept AS43541
export: to AS43541 announce AS-BLUETONE-CUST
import: from AS38952 accept AS38952
export: to AS38952 announce AS-BLUETONE-CUST
import: from AS47232 accept AS47232
export: to AS47232 announce AS-BLUETONE-CUST
import: from AS47868 accept AS47868
export: to AS47868 announce AS-BLUETONE-CUST
import: from AS16276 accept AS-OVH
export: to AS16276 announce AS-BLUETONE-CUST
import: from AS51025 accept ANY
export: to AS51025 announce AS-BLUETONE-CUST
import: from AS196822 accept AS196822
export: to AS196822 announce ANY
import: from AS44002 accept AS44002
export: to AS44002 announce ANY
import: from AS196845 accept AS196845
export: to AS196845 announce ANY
import: from AS52154 accept AS52154
export: to AS52154 announce ANY
import: from AS197277 accept AS197277
export: to AS197277 announce ANY
import: from AS197046 accept AS-FIXNET
export: to AS197046 announce ANY
import: from AS196762 accept AS196762
export: to AS196762 announce ANY
import: from AS43070 accept AS-JAW AND AS-JAW6
export: to AS43070 announce ANY
import: from AS52130 accept AS52130
export: to AS52130 announce ANY
import: from AS57904 accept AS57904
export: to AS57904 announce ANY
import: from AS25192 accept RS-CZ-NIC
export: to AS25192 announce ANY
import: from AS199600 accept AS199600
export: to AS199600 announce ANY
import: from AS47834 accept AS47834
export: to AS47834 announce ANY
import: from AS197565 accept AS197565
export: to AS197565 announce ANY
import: from AS201934 accept AS201934
export: to AS201934 announce ANY
import: from AS198991 accept AS198991
export: to AS198991 announce ANY
import: from AS197875 accept AS197875
export: to AS198991 announce ANY
import: from AS44500 accept AS44500
export: to AS44500 announce ANY
import: from AS38938 accept AS-SWW
export: to AS38938 announce ANY
import: from AS48405 accept AS48405
export: to AS48405 announce ANY
import: from AS203299 accept AS203299
export: to AS203299 announce ANY
import: from AS57496 accept AS57496
export: to AS57496 announce ANY
import: from AS43757 accept AS43757
export: to AS43757 announce ANY
import: from AS206344 accept AS206344
export: to AS206344 announce ANY
import: from AS11521 accept AS11521
export: to AS11521 announce ANY
import: from AS206438 accept AS206438
export: to AS206438 announce ANY
import: from AS204405 accept AS204405
export: to AS204405 announce ANY
import: from AS39790 accept AS39790
export: to AS39790 announce ANY
import: from AS204351 accept AS204351
export: to AS204351 announce ANY
import: from AS201931 accept AS201931
export: to AS201931 announce ANY
admin-c: CRA37-RIPE
tech-c: CRA37-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: BlueTone-MNT
mnt-lower: BlueTone-MNT
mnt-routes: BlueTone-MNT
mnt-routes: AS13036-MNT
created: 2002-09-20T09:38:10Z
last-modified: 2018-07-18T12:46:51Z
source: RIPE

organisation: ORG-CRa1-RIPE
org-name: RADIOKOMUNIKACE a.s.
org-type: LIR
address: Skokanska 2117 / 1
address: 169 00
address: Praha 6 - Brevnov
address: CZECH REPUBLIC
phone: +420242411534
fax-no: +420242411676
admin-c: RS2825-RIPE
admin-c: VK1570-RIPE
mnt-ref: BlueTone-MNT
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: BlueTone-MNT
abuse-c: CRA37-RIPE
created: 2004-04-17T11:04:14Z
last-modified: 2017-02-16T10:20:23Z
source: RIPE # Filtered

role: CRA Hostmasters
address: Ceske Radiokomunikace a.s.
address: Skokanska 1
address: 169 00 Praha 6
address: Czech Republic
phone: +420 242 411 534
fax-no: +420 242 411 676
remarks: trouble: +-----------------------------------------+
remarks: trouble: | Operational issues: ripe@bluetone.cz |
remarks: trouble: | Abuse and SPAM: abuse@bluetone.cz |
remarks: trouble: +-----------------------------------------+
admin-c: RS2825-RIPE
tech-c: RS2825-RIPE
tech-c: VK1570-RIPE
tech-c: MK7771-RIPE
nic-hdl: CRA37-RIPE
mnt-by: BLUETONE-MNT
created: 2004-11-05T10:03:39Z
last-modified: 2012-11-09T13:14:18Z
source: RIPE # Filtered
abuse-mailbox: abuse@bluetone.cz

% This query was served by the RIPE Database Query Service version 1.91.2 (HEREFORD)

Geolocation

ASN Lookup

Cra.cz Domain Name Information

Cra.cz DNS Information

Domain name service records

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A

Host	A Record	TTL

Cra.cz Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

% (c) 2006-2021 CZ.NIC, z.s.p.o.
%
% Intended use of supplied data and information
%
% Data contained in the domain name register, as well as information
% supplied through public information services of CZ.NIC association,
% are appointed only for purposes connected with Internet network
% administration and operation, or for the purpose of legal or other
% similar proceedings, in process as regards a matter connected
% particularly with holding and using a concrete domain name.
%
% Full text available at:
% http://www.nic.cz/page/306/intended-use-of-supplied-data-and-information/
%
% See also a search service at http://www.nic.cz/whois/
%
%
% Whoisd Server Version: 3.12.2
% Timestamp: Tue Aug 29 00:55:26 2023

domain: cra.cz
registrant: SB:PP405-RIPE_XX
admin-c: SMER
admin-c: KMARTY
nsset: NSS-RADIKOMUNIKACE-15
keyset: KSET-CRA-20
registrar: REG-INTERNET-CZ
registered: 07.06.1997 02:00:00
changed: 01.04.2022 11:18:06
expire: 13.10.2023

contact: SB:PP405-RIPE_XX
org: České Radiokomunikace a.s.
name: České Radiokomunikace a.s.
address: Skokanská 1
address: Praha 6
address: 16900
address: CZ
registrar: REG-INTERNET-CZ
created: 10.08.2001 22:13:00
changed: 15.05.2018 21:32:00

contact: SMER
name: Radovan Smetanka
address: Skokanska 1
address: Praha 6
address: 16900
address: CZ
registrar: REG-INTERNET-CZ
created: 23.11.2005 15:45:00
changed: 15.05.2018 21:32:00

contact: KMARTY
name: Martin Kebert
registrar: REG-MOJEID
created: 29.10.2010 18:50:42
changed: 12.11.2020 17:15:21

nsset: NSS-RADIKOMUNIKACE-15
nserver: ns1.bluetone.cz (212.158.128.13, 2a02:a40:2::13)
nserver: ns2.bluetone.cz (85.207.207.75, 2a02:a40:2:200::2:200)
nserver: ns.bluetone.cz (212.158.128.12, 2a02:a40:2::12)
tech-c: SMER
tech-c: KMARTY
registrar: REG-INTERNET-CZ
created: 06.03.2015 10:57:42
changed: 19.01.2018 12:42:47

keyset: KSET-CRA-20
dnskey: 257 3 13 /1N0S0/hrUcWCxa3XB9fCNw8CoYW8TZxumI5jKeGDcEHo/b0GD+lMXdYuBMcvx8qF70Ut/30P2v3mRUai3BD/A==
tech-c: SB:RADIOKOM_05
tech-c: KMARTY
registrar: REG-INTERNET-CZ
created: 03.12.2019 10:54:48

contact: SB:RADIOKOM_05
org: České Radiokomunikace a.s.
name: České Radiokomunikace a.s.
address: Skokanská 2117/1
address: Praha 6 - Břevnov
address: 169 00
address: CZ
registrar: REG-ZONER
created: 24.11.2005 16:15:00
changed: 06.03.2019 15:42:05

Whois

DNS Lookup

Cra.cz HTML Validation

Cra.cz W3C HTML Markup Validation

HTML markup errors and warnings

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Warnings:

Consider avoiding viewport values that prevent users from resizing documents.

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

Errors:

Duplicate attribute “class”.

HTML Validator

Cra.cz Desktop Performance

How Well Cra.cz Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

49%

Enable compression

Leverage browser caching

Minify JavaScript

Optimize images

Reduce server response time

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

Minify CSS

Minify HTML

Updated: 05/21/2017

Cra.cz Mobile Performance

How Optimized Is Cra.cz for Mobile Devices?

Tips on speeding up mobile site performance

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Usability
Speed
Resource Breakdown

Usability

99%

Size tap targets appropriately

Updated: 05/21/2017

Cra.cz Nearest Competitors

Estimated Nearest Competitors Of Cra.cz

otemo-yan.net
kenninji.jp
e-werk.de
keukendepot.nl
christiantoday.co.jp
handicare-trapliften.nl
ryanserhant.com
airzen.fr
koukouseishinbun.jp
digitales-deutsches-frauenarchiv.de
cra.cz
ambebi.ge
clickbank-tst.net
medela.de
stadtzeitung.de
hiiumaa.ee
kanrikyo.or.jp
manchetourisme.com
arr.gov.pl
bibeltext.com
dailyitalianwords.com
netsite.dk

Cra.cz URL Typos

Most common user URL mistypes for cra.cz

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www.cra.net
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www.cra.biz
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www.cda.cz
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www.cfa.cz
www.crfa.cz
www.cta.cz
www.crta.cz
www.ctra.cz
www.cr.cz
www.crq.cz
www.craq.cz
www.crqa.cz
www.crw.cz
www.craw.cz
www.crwa.cz
www.crs.cz
www.cras.cz
www.crsa.cz
www.crz.cz
www.craz.cz
www.crza.cz

Text	669.0 Bytes
CSS	395.1 KBytes
Images	839.9 KBytes
HTML	39.9 KBytes
JavaScript	1.1 MBytes
Other	103.4 KBytes

Text	669.0 Bytes
CSS	395.1 KBytes
Images	482.5 KBytes
HTML	39.9 KBytes
JavaScript	1.1 MBytes
Other	82.0 KBytes

Total Resources	87
Number of Hosts	16
Static Resources	67
JavaScript Resources	33
CSS Resources	11