Izus.cz iZUŠ - informační systém základních uměleckých škol

Informační systém základních uměleckých škol iZUŠ - Hlavní strana

Izus.cz Overview

Izus.cz ranking shows that the page is at position 177,549 over the world, while the bulk of its audience is from Slovakia, where it ranks 439.

Izus.cz hosted on PRO-ZETA a.s servers in Czech Republic. To reduce page loading time for the majority of izus.cz users, we recommend migrating the server to Slovakia, as it will speed up izus.cz page load time for the majority of users. See the list of other webpages hosted on PRO-ZETA a.s servers.

In terms of rank-to-traffic ratio, izus.cz has 917 unique users per day, viewing 3,938 pages. The rank based value of izus.cz is 71,027 USD. Every user makes 4.60 pageviews on average.

Izus.cz top-level domain belongs to .CZ domain zone. Check other webpages in .CZ zone.

According the last verification test in October 09, 2024, izus.cz has an expired SSL certificate issued by Let's Encrypt (expired on December 18, 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 and Symantec izus.cz is a fairly safe domain.

According the Mobile-Friendly test by Google izus.cz is nice optimized for mobile devices and tablets.

Izus.cz Rank Summary

Global Rank
177,549
Average Load Time
0.00sec
Links In Count
80
Website Value
$65,766

Izus.cz Website Safety

logo
Overview
Last Updated: 04/20/2026
Overall result - izus.cz 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 logo
Norton Connect Safe
Last Updated: 03/24/2026
izus.cz is safe.
Norton ConnectSafe evaluates izus.cz for any unsafe and insecure content. The results are critical for families with young children.
Google logo
Google Safe Search
Last Updated: 11/05/2016
izus.cz 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 brwosing logo
Google Safe Browsing
Last Updated: 01/09/2019
izus.cz 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.
McAfee logo
Site Advisor
Last Updated: 02/25/2021
izus.cz is safe.
McAfee assesses izus.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 izus.cz for mature or inappropriate content, only security checks are evaluated.
Web of trust logo
Web of Trust
Last Updated: 04/20/2026
izus.cz child safety is unknown.
The WOT calculates reputation of the izus.cz. This reputation system receives ratings from users and information from third-party sources, assesses the izus.cz for safety features and confirms, whether izus.cz is suitable for children.

SSL Information
Domainizus.cz
Issuer OrganizationLet's Encrypt
IssuerR11
AlgorithmRSA-SHA256
Valid form09/19/2024
Expiration12/18/2024
SignedCertificate is not self signed
Additional Domains gdprvzus.cz
izus.cz
izus.sk
legacy.aktivityplus.cz
majetek.cloud
pomoczus.cz
pracevzus.cz
prihlaska.zusmeeting.cz
prihlaskadozus.cz
skutecskyslavik.cz
soutezezus.cz
urzus.cz
www.gdprvzus.cz
www.izus.cz
www.izus.sk
www.majetek.cloud
www.pomoczus.cz
www.pracevzus.cz
www.prihlaskadozus.cz
www.skutecskyslavik.cz
www.soutezezus.cz
www.urzus.cz
www.zakovskysesit.cz
zakovskysesit.cz

Izus.cz Rank History

Izus.cz Hosting Information

Server Location

ASN Information

ASN ID: 60606

ASN Title: PRO-ZETA a.s.

Last Update: 09/02/2025

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://apps.db.ripe.net/docs/HTML-Terms-And-Conditions

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

% Information related to 'AS59392 - AS61261'

as-block: AS59392 - AS61261
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: 2024-04-11T06:51:49Z
last-modified: 2024-04-11T06:51:49Z
source: RIPE

% Information related to 'AS60606'

% Abuse contact for 'AS60606' is 'hynek@prozeta.cz'

aut-num: AS60606
as-name: Blindspot
org: ORG-PA693-RIPE
remarks: # === Upstreams ===
remarks: # Lumen / Level3
import: from AS3356 accept ANY
export: to AS3356 announce AS60606:AS-BLINDSPOT
remarks: # Telecom Italia Sparkle (Seabone)
import: from AS6762 accept ANY
export: to AS6762 announce AS60606:AS-BLINDSPOT
remarks: # Cogent Communications
import: from AS174 accept ANY
export: to AS174 announce AS60606:AS-BLINDSPOT
remarks: # === Customers ===
import: from AS49025 accept AS-PROZETA-NET
export: to AS49025 announce ANY
admin-c: JM22934-RIPE
tech-c: JM22934-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: BLINDSPOT-MNT
created: 2018-12-07T10:27:22Z
last-modified: 2023-11-02T10:48:00Z
source: RIPE

organisation: ORG-PA693-RIPE
org-name: PRO-ZETA a.s.
country: CZ
org-type: LIR
address: Tiskarska 257/10
address: 108 00
address: Praha 10 - Malesice
address: CZECH REPUBLIC
phone: +420778758851
abuse-c: AC28687-RIPE
mnt-ref: PROZ-MNT
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: PROZ-MNT
created: 2014-06-10T08:52:05Z
last-modified: 2023-12-05T15:52:10Z
source: RIPE # Filtered

person: Josef Miegl
address: Blindspot Technologies s.r.o.
address: Tiskarska 10/257
address: 108 00 Praha 10
address: Czech Republic
phone: +420 228 882 121
nic-hdl: JM22934-RIPE
mnt-by: BLINDSPOT-MNT
created: 2023-11-02T10:31:17Z
last-modified: 2023-11-02T10:47:14Z
source: RIPE

% This query was served by the RIPE Database Query Service version 1.113.2 (BUSA)

Izus.cz Domain Registration and Settings

WHOIS

% (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: Mon May 30 20:05:04 2022

domain: izus.cz
registrant: FORPSI-MZZ-S180719
nsset: NSS:HOSTINGLINE001:1
keyset: AUTO-T8E1DDPL7KMNSXW9DWMBW2LGW
registrar: REG-INTERNET-CZ
registered: 08.02.2011 11:22:16
changed: 28.11.2018 13:56:01
expire: 08.02.2023

contact: FORPSI-MZZ-S180719
org: Ondřej Kratochvíl
name: Ondřej Kratochvíl
address: Kopaniny 10
address: Přerov
address: 750 02
address: CZ
registrar: REG-MOJEID
created: 05.06.2008 12:31:05
changed: 04.12.2015 06:14:25

nsset: NSS:HOSTINGLINE001:1
nserver: ns1.thinline.cz (91.239.200.243, 2a00:1ed0:2:0:1:5bef:c8f3:1)
nserver: ns2.thinline.cz (82.100.6.2, 2001:4de8:fa22:0:1:5264:602:1)
nserver: ns3.cesky-hosting.eu
tech-c: SB:HOSTINGLINE001
registrar: REG-THINLINE
created: 01.10.2007 02:00:00
changed: 13.08.2020 14:31:31

contact: SB:HOSTINGLINE001
org: THINline s.r.o.
name: Matěj Kloubek
address: Jeseniova 1196/52
address: Praha 3
address: 13000
address: CZ
registrar: REG-THINLINE
created: 11.07.2003 20:31:00
changed: 24.09.2018 10:48:03

keyset: AUTO-T8E1DDPL7KMNSXW9DWMBW2LGW
dnskey: 257 3 13 ft/ab7rbu1P4J2MO+Q4kz7i7Qeqe/9YRLAKlVblLli/k7lUWCCRfQtg7yyvm3SP5zpK1OJcLk2TRyCfcoyl6zw==
tech-c: CZ-NIC
registrar: REG-CZNIC
created: 28.11.2018 13:56:01
changed: 17.12.2021 15:06:51

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


DNS Records
HostA RecordTTL
izus.cz91.239.200.793600
HostMX RecordPriorityTTL
izus.czmx1d10.thinline.cz103600
izus.czmx1b20.thinline.cz203600
HostNS RecordTTL
izus.czns1.thinline.cz86400
izus.czns2.thinline.cz86400
izus.czns3.cesky-hosting.eu86400
HostTXT RecordTTL
izus.czv=spf1 a include:spf.cesky-hosting.cz include:_spf.google.com a:replikant2588.thinline.cz -all3600

ns1.thinline.cz
TTL: 86400
Email address: hostmaster.izus.cz
Serial: 1533054199
Refresh: 86400
Retry: 300
Expire: 604800
Minimum: 1800

Izus.cz HTML Check


Errors
Warnings

Izus.cz Desktop Performance

Last tested: 11/22/2019

Speedometer image
Desktop Speed
81%

Desktop Resource Breakdown
Total Resources50
Number of Hosts15
Static Resources32
JavaScript Resources13
CSS Resources5

Izus.cz Mobile Insights

Last tested: 11/30/2017

Speedometer image
Mobile Usability
94%
Speedometer image
Mobile Speed
66%

Mobile Resource Breakdown
Total Resources39
Number of Hosts12
Static Resources25
JavaScript Resources7
CSS Resources5

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