master.cz - MasterDC – Specialisté na firemní IT infrastrukturu

Master.cz Quick Summary

Status

Offline

Server IP address resolved: No

Http response code: None

Last Checked: 05/14/2024

Master.cz traffic estimate is about 64 unique visitors and 64 pageviews per day. The approximated value of master.cz is 0 USD. Every unique visitor makes about 1 pageviews on average.

Alexa Traffic Rank estimates that master.cz is ranked number 30,037 in the world.

Master.cz server is located in Czech Republic, but, unfortunately, we cannot identify the countries where the visitors come from and thus it’s impossible to define if the distance can potentially affect the page load time. See the list of other websites hosted by Master Internet s.r.o.

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

During the last check (July 01, 2019) master.cz has an expired wildcard SSL certificate (expired on August 07, 2020), please click the “Refresh” button for SSL Information at the Safety Information section.

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust master.cz is pretty a safe domain.

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

Master.cz General Information

Master.cz Audience Geography

Where are website visitors coming from?

Visitors
Pageviews
Ranks

Country	Visitors

Master.cz Traffic Distribution

Where do visitors go on master.cz?

Subdomain Traffic
Views per User
Subdomain Reach

Subdomain	Pageviews

Master.cz Popularity

How popular is master.cz?

Global Rank
Pageviews
Reach

Period	Global Rank	Global Rank Delta
past 3 months	10755935	5598650

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	10795046	5766337	0	-93.548%	1	-45.9%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	10728229	5500140	1	-88.235%

Press rescan to collect fresh statistics for this website...

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Master.cz Safety Information

Rankchart Summary

Safe

Updated: 05/14/2024

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: 02/06/2024

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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: 01/31/2017

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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: 01/15/2021

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

Web of Trust

Child safety is good

Updated: 01/11/2019

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

Master.cz SSL Information

Information about SSL/TLS certificates

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Domain	*.master.cz
Issuer Organization	Unknown
Issuer	Certum Domain Validation CA SHA2
Algorithm	RSA-SHA256
Valid form	08/08/2018
Expiration	08/07/2020
Signed	Certificate is not self signed
Additional Domains	*.master.cz master.cz

SSL Checker

Master.cz Server Information

Master.cz Server Location

Where website hosting server is located?

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Master.cz ASN Information

Information about IP address owner

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ASN ID: 24971

ASN Title: Master Internet s.r.o.

Updated: 02/25/2024

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 'AS24879 - AS24986'

as-block: AS24879 - AS24986
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: 2010-05-11T11:46:01Z
last-modified: 2014-02-24T13:15:17Z
source: RIPE

% Information related to 'AS24971'

% Abuse contact for 'AS24971' is 'abuse@master.cz'

aut-num: AS24971
as-name: MASTER-AS
org: ORG-MIs2-RIPE
descr: Czech Republic / www.master.cz
remarks:
remarks: .--------.---.-.-----.| |_.-----.----.
remarks: | | _ |__ --|| _| -__| _|
remarks: |__|__|__|___._|_____||____|_____|__|
remarks:
remarks: ======================== Upstream ========================
remarks:
remarks: = Telia
remarks:
import: from AS1299 action pref=90; accept ANY AND NOT {0.0.0.0/0};
export: to AS1299 announce AS-MASTERCZ
remarks:
remarks: = Cogent
remarks:
import: from AS174 action pref=90; accept ANY AND NOT {0.0.0.0/0};
export: to AS174 announce AS-MASTERCZ
remarks:
remarks:
remarks: = RETN
remarks:
import: from AS9002 action pref=90; accept ANY AND NOT {0.0.0.0/0};
export: to AS9002 announce AS-MASTERCZ
remarks:
remarks: ======================== Downstream ========================
remarks:
remarks: = Faster CZ
import: from AS24641 action pref=10; accept AS-FASTER-CZ
export: to AS24641 announce ANY
remarks: = Q-Net CZ
import: from AS21045 action pref=10; accept AS21045
export: to AS21045 announce ANY
remarks: = netsafe
import: from AS48921 action pref=10; accept AS48921 AS-FDR
export: to AS48921 announce ANY
remarks: = INTACTO GAMES a.s.
import: from AS51134 action pref=10; accept AS51134
export: to AS51134 announce ANY
remarks: = DCIT, a.s.
import: from AS199806 action pref=10; accept AS199806
export: to AS199806 announce ANY
remarks: = Detronics s.r.o.
import: from AS56656 action pref=10; accept AS56656 AS57760
export: to AS56656 announce ANY
remarks: = Telconet
import: from AS43203 action pref=10; accept AS43203
export: to AS43203 announce ANY
remarks: = EDSI-CDN
import: from AS204248 action pref=10; accept AS204248;
export: to AS204248 announce {0.0.0.0/0};
remarks: = Aukro a.s.
import: from AS206344 action pref=10; accept AS206344;
export: to AS206344 announce {0.0.0.0/0};
remarks:
remarks: ======================== peering.cz peering ========================
remarks:
import: from AS-MAI-PEERING-CZ-PEER action pref = 50; accept ANY
export: to AS-MAI-PEERING-CZ-PEER announce AS-MASTERCZ-CZPEERING
remarks:
remarks: ======================== NIX Prague peering ========================
remarks:
import: from AS-MAI-NIX-PEER action pref = 50; accept ANY
export: to AS-MAI-NIX-PEER announce AS-MASTERCZ-CZNIX
remarks:
remarks: ======================== SIX Bratislava peering ========================
remarks:
import: from AS-MAI-SIX-PEER action pref = 50; accept ANY
export: to AS-MAI-SIX-PEER announce AS-MASTERCZ-SKSIX
remarks:
remarks: ======================== NIX Bratislava peering ========================
remarks:
import: from AS-MAI-NIX-PEER action pref = 50; accept ANY
export: to AS-MAI-NIX-PEER announce AS-MASTERCZ-SKNIX
remarks:
admin-c: MAIc-RIPE
admin-c: MZI-RIPE
tech-c: MAIc-RIPE
tech-c: MZI-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: MASTER-MNT
mnt-routes: MASTER-MNT
created: 2002-06-11T14:14:49Z
last-modified: 2017-08-23T12:39:18Z
source: RIPE

organisation: ORG-MIs2-RIPE
org-name: Master Internet s.r.o.
org-type: LIR
address: Jiraskova 21
address: 602 00
address: Brno
address: CZECH REPUBLIC
phone: +420 777919700
mnt-ref: MASTER-MNT
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: MASTER-MNT
admin-c: PV352-RIPE
admin-c: JIPA-RIPE
admin-c: MZI-RIPE
admin-c: PZAK-RIPE
abuse-c: MAIc-RIPE
created: 2004-04-17T11:04:37Z
last-modified: 2017-10-30T14:44:41Z
source: RIPE # Filtered

role: Master Internet contact
address: Master Internet s.r.o
address: Jiraskova 21
address: 602 00 Brno
address: Czech Republic
phone: +420777919484
abuse-mailbox: abuse@master.cz
admin-c: PV352-RIPE
tech-c: MZI-RIPE
tech-c: JIPA-RIPE
tech-c: MMAS-RIPE
nic-hdl: MAIc-RIPE
mnt-by: MASTER-MNT
created: 2009-03-28T19:44:57Z
last-modified: 2013-10-10T10:00:26Z
source: RIPE # Filtered

person: Martin Zidek
address: Master Internet s.r.o.
address: Cejl 20
address: 602 00 Brno
address: Czech Republic
phone: +420 777919700
nic-hdl: MZI-RIPE
mnt-by: MASTER-MNT
created: 2008-04-11T07:45:37Z
last-modified: 2017-10-30T22:00:16Z
source: RIPE # Filtered

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

Geolocation

ASN Lookup

Master.cz Domain Name Information

Master.cz DNS Information

Domain name service records

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Host	A Record	TTL
master.cz	81.31.45.148	300

Host	MX Record	Priority	TTL
master.cz	ns3.master.cz	25	300
master.cz	mail.master.cz	10	300

Host	NS Record	TTL
master.cz	ns3.master.cz	86400
master.cz	ns1.master.cz	86400
master.cz	ns2.master.cz	86400

Host	TXT Record	TTL
master.cz	v=spf1 mx ip6:2a01:430:100:5c::2 a:d24.westmaster.com ip4:185.58.41.176 ip4:77.93.193.48 a:cis.masterdc.com a:d4023.masterinter.net a:cloud-2123.masterinter.net ip4:81.31.45.148 include:spf.protection.outlook.com a:mailing.master.cz ~all	300
master.cz	120969c87b9d19f59a5f1eadc2f33882f890d1be7e7fb26b695081fb3846d6d8	300
master.cz	3580a6970e5b2f279c3e6a04aedd63875d6e0d034ef3a65941878cf998e91af8	300
master.cz	google-site-verification=LPbNtA7xbdnVcru4Olsduel-JMlMHRW6QRrpzJr6Shc	300
master.cz	e5cd4e37b753efce5e492df6b648e8073f22ba4439bbce5b1665904983ec8835	300
master.cz	71c21838a0309c31d533cf71ad65366337cb18af22a93f4ba392c81cb7175af5	300
master.cz	MS=07A1C78FD7087B45AA9D90A4F11B567B29AC9E9D	300

Master.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: Wed Feb 16 20:07:12 2022

domain: master.cz
registrant: SB:PV435-RIPE_XX
admin-c: PV435-RIPE
nsset: NSS:MASTER_INTERNET:1
keyset: AUTO-EKLR2LZ6DA6KUKCIAMS04ANYS
registrar: REG-WEBGLOBE
registered: 30.01.1998 01:00:00
changed: 15.12.2017 13:10:53
expire: 06.10.2022

contact: SB:PV435-RIPE_XX
org: Petr Vosmera
name: Petr Vosmera
address: Purkyňova 35e
address: BRNO
address: 612 00
address: CZ
registrar: REG-WEBGLOBE
created: 10.08.2001 22:13:00
changed: 15.05.2018 21:32:00

contact: PV435-RIPE
name: Petr Vosmera
address: Purkyňova 35e
address: Brno
address: 612 00
address: CZ
registrar: REG-WEBGLOBE
created: 10.08.2001 22:13:00
changed: 15.05.2018 21:32:00

nsset: NSS:MASTER_INTERNET:1
nserver: ns3.master.cz (82.209.3.134, 2a00:ca8:8000::c0de)
nserver: ns1.master.cz (81.31.33.23, 2a01:430:100:16::2)
nserver: ns2.master.cz (81.31.33.6, 2a01:430:200:b::2)
tech-c: SB:MASTER_INTERNET
tech-c: PVOSMERA
registrar: REG-WEBGLOBE
created: 01.10.2007 02:00:00
changed: 31.08.2016 13:49:02

contact: SB:MASTER_INTERNET
org: Master Internet, s.r.o.
name: Master Internet, s.r.o.
address: Jiraskova 21
address: BRNO
address: 602 00
address: CZ
registrar: REG-WEBGLOBE
created: 06.09.2002 19:16:00
changed: 15.05.2018 21:32:00

contact: PVOSMERA
name: Petr Vosmera
address: Purkyňova 35e
address: BRNO
address: 612 00
address: CZ
registrar: REG-WEBGLOBE
created: 10.08.2001 22:13:00
changed: 15.05.2018 21:32:00

keyset: AUTO-EKLR2LZ6DA6KUKCIAMS04ANYS
dnskey: 257 3 13 ud+sMCSQLKwoGtoVvs2SfhRD/D8jJ+bT3qQSuvWovLHuD+7oEjCOY7PsmzwKf0SjflXHhrPt6Um2qZ1Eyv7mhA==
tech-c: CZ-NIC
registrar: REG-CZNIC
created: 15.12.2017 13:10:53

contact: CZ-NIC
org: CZ.NIC, z.s.p.o.
name: CZ.NIC, z.s.p.o.
address: Milesovska 1136/5
address: Praha 3
address: 130 00
address: CZ
registrar: REG-CZNIC
created: 17.10.2008 12:08:21
changed: 15.05.2018 21:32:00

nsset: MASTER.CZ
nserver: dns1.master.cz
nserver: dns2.master.cz
tech-c: SB:FORPSI-GBG-S241820
registrar: REG-INTERNET-CZ
created: 14.03.2008 21:48:52

contact: SB:FORPSI-GBG-S241820
name: Lukáš Brandejs
address: Vižňov 362
address: Meziměstí
address: 54983
address: CZ
registrar: REG-INTERNET-CZ
created: 25.07.2007 07:35:00
changed: 15.05.2018 21:32:00

Whois

DNS Lookup

Master.cz HTML Validation

Master.cz W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

Bad start tag in “img” in “head”.

Stray end tag “noscript”.

Stray end tag “head”.

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

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

HTML Validator

Master.cz Desktop Performance

How Well Master.cz Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

62%

Leverage browser caching

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

Avoid landing page redirects

Optimize images

Enable compression

Minify CSS

Minify HTML

Minify JavaScript

Updated: 11/09/2019

Master.cz Mobile Performance

How Optimized Is Master.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: 04/30/2017

Master.cz Nearest Competitors

Estimated Nearest Competitors Of Master.cz

fcschaffhausen.ch
advancemediany.com
bloggingshakespeare.com
bridgeportbluefish.com
downtownoceansprings.com
highschimney.com
jamaicanpatwah.com
levangile.com
thephilippinestoday.com
tycollector.com
master.cz
tydeniky.cz
bau-wiki.de
deutscher-behindertenrat.de
miraphone.de
grandteatret.dk
sartre-project.eu
browsergames.fm
nepszamlalas.hu
phonelist.io
i-kochi.or.jp
cheznoo.net

Master.cz URL Typos

Most common user URL mistypes for master.cz

www.master.com
www.master.net
www.master.org
www.master.info
www.master.biz
www.master.us
www.master.mobi
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www.naster.cz
www.mnaster.cz
www.nmaster.cz
www.jaster.cz
www.mjaster.cz
www.jmaster.cz
www.kaster.cz
www.mkaster.cz
www.kmaster.cz
www.mster.cz
www.mqster.cz
www.maqster.cz
www.mqaster.cz
www.mwster.cz
www.mawster.cz
www.mwaster.cz
www.msster.cz
www.masster.cz
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www.mzster.cz
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www.mater.cz
www.mawter.cz
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www.maeter.cz
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www.madter.cz
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www.mazter.cz
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www.maxter.cz
www.masxter.cz
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www.maater.cz
www.masater.cz
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www.masterr.cz
www.maste.cz
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www.mastere.cz
www.masteer.cz
www.masted.cz
www.masterd.cz
www.mastef.cz
www.masterf.cz
www.mastefr.cz
www.mastet.cz
www.mastert.cz
www.mastetr.cz

CSS	481.8 KBytes
Images	974.6 KBytes
HTML	76.0 KBytes
JavaScript	2.1 MBytes
Other	183.5 KBytes

CSS	266.8 KBytes
Images	1.6 MBytes
HTML	43.0 KBytes
JavaScript	965.9 KBytes
Other	41.6 KBytes

Master.cz MasterDC – Specialisté na firemní IT infrastrukturu

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Master.cz Quick Summary

Master.cz General Information

Master.cz Audience Geography

Master.cz Traffic Distribution

Master.cz Popularity

Master.cz Safety Information

Master.cz SSL Information

Master.cz Server Information

Master.cz Server Location

Master.cz ASN Information

Master.cz Domain Name Information

Master.cz DNS Information

Master.cz Whois Information

Master.cz HTML Validation

Master.cz W3C HTML Markup Validation

Master.cz Desktop Performance

How Well Master.cz Performs On Desktops?

Master.cz Mobile Performance

How Optimized Is Master.cz for Mobile Devices?

Master.cz Nearest Competitors

Estimated Nearest Competitors Of Master.cz

Master.cz URL Typos

Most common user URL mistypes for master.cz

Total Resources	104
Number of Hosts	22
Static Resources	80
JavaScript Resources	26
CSS Resources	15