Vyzkum.cz belongs to Cloud4com, a.s. Check the list of other websites hosted by Cloud4com, a.s.
In terms of rank-to-traffic ratio, vyzkum.cz has 1,599 unique users per day, viewing 3,229 pages. The rank based value of vyzkum.cz is 2,333 USD. Every user makes 2.16 pageviews on average.
Vyzkum.cz boasts a link base consisting of 298 referring domains and 351 external backlinks, as revealed by the data obtained from web network scanning.
Vyzkum.cz top-level domain belongs to .CZ domain zone. Check other webpages in .CZ zone.
According the last verification test in July 03, 2025, vyzkum.cz has an expired SSL certificate issued by Let's Encrypt (expired on August 30, 2025). 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 vyzkum.cz is a fairly safe domain.
According the Mobile-Friendly test by Google vyzkum.cz is nice optimized for mobile devices and tablets, however the webpage speed could be improved.
Domain | vyzkum.cz |
Issuer Organization | Let's Encrypt |
Issuer | R10 |
Algorithm | RSA-SHA256 |
Valid form | 06/01/2025 |
Expiration | 08/30/2025 |
Signed | Certificate is not self signed |
Additional Domains |
vyzkum.cz vyzkum.gov.cz www.vyzkum.cz |
Alexa Rank shows how popular vyzkum.cz is in comparison with other sites. The most popular site has Alexa Rank equals 1. If vyzkum.cz 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 vyzkum.cz and pageviews on vyzkum.cz over the past 3 months.
ASN ID: 47110
ASN Title: Cloud4com, a.s.Last Update: 09/11/2025
% 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 'AS47104 - AS52223'
as-block: AS47104 - AS52223
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: 2015-09-30T14:19:22Z
last-modified: 2015-09-30T14:19:22Z
source: RIPE
% Information related to 'AS47110'
% Abuse contact for 'AS47110' is 'abuse@cloud4com.com'
aut-num: AS47110
as-name: CLOUD4COM-AS
org: ORG-Ca1053-RIPE
import: from AS47110:AS-TRANSITS accept ANY
export: to AS47110:AS-TRANSITS announce AS-CLOUD4COM
import: from AS47110:AS-PEERS accept ANY AND NOT { 0.0.0.0/0 }
export: to AS47110:AS-PEERS announce AS-CLOUD4COM
import: from AS47110:AS-CUSTOMERS accept AS47110:AS-CUSTOMERS
export: to AS47110:AS-CUSTOMERS announce ANY
admin-c: CLHM-RIPE
tech-c: CLHM-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: CLOUD4COM-ROOT-MNT
mnt-routes: CLOUD4COM-ROOT-MNT
created: 2016-04-13T14:32:49Z
last-modified: 2017-11-15T12:37:40Z
source: RIPE
organisation: ORG-Ca1053-RIPE
org-name: Cloud4com, a.s.
org-type: LIR
address: U Uranie 954/18
address: 17000
address: Praha 7
address: CZECH REPUBLIC
phone: +420 734 649 889
geoloc: 50.1075 14.4508
admin-c: ZK1292-RIPE
admin-c: TN3114-RIPE
admin-c: TK5081-RIPE
admin-c: MV13053-RIPE
abuse-c: CLHM-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: CLOUD4COM-ROOT-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: CLOUD4COM-ROOT-MNT
created: 2011-01-05T11:41:16Z
last-modified: 2018-03-19T13:53:27Z
source: RIPE # Filtered
role: Cloud4com Hostmaster
address: U Uranie 18/954, Prague, Czech Republic
abuse-mailbox: abuse@cloud4com.com
phone: +420 734 649 889
admin-c: TN3114-RIPE
admin-c: TK5081-RIPE
admin-c: ZK1292-RIPE
admin-c: MV13053-RIPE
tech-c: ZK1292-RIPE
tech-c: MV13053-RIPE
nic-hdl: CLHM-RIPE
mnt-by: CLOUD4COM-ROOT-MNT
created: 2016-04-12T16:02:40Z
last-modified: 2018-03-19T13:54:40Z
source: RIPE # Filtered
% This query was served by the RIPE Database Query Service version 1.91.2 (HEREFORD)
% (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 Jan 10 18:33:04 2023
domain: vyzkum.cz
registrant: SB:SUB06033035ABZONE
admin-c: M4WA-3C10B
admin-c: M4WA-015FE
nsset: NSSET-UVCR-DNSSEC
keyset: VYZKUMCZ
registrar: REG-MEDIA4WEB
registered: 16.04.1998 02:00:00
changed: 09.06.2021 11:48:38
expire: 11.10.2023
contact: SB:SUB06033035ABZONE
org: Rada pro výzkum, vývoj a inovace, Úřad vlády ČR
name: Rada pro výzkum, vývoj a inovace Úřad vlády ČR
address: Nábřeží Edvarda Beneše 4
address: Praha 1
address: 118 01
address: CZ
registrar: REG-MEDIA4WEB
created: 30.03.2006 12:15:00
changed: 15.05.2018 21:32:00
contact: M4WA-3C10B
org: Úřad vlády ČR
name: Miroslav Rychtařík,
address: nábřeží Edvarda Beneše 4
address: Praha 1
address: 180 01
address: CZ
phone: +420.720980023
e-mail: rychtarik.miroslav@vlada.cz
registrar: REG-MEDIA4WEB
created: 21.05.2018 09:39:06
changed: 24.05.2018 07:50:34
contact: M4WA-015FE
org: Úřad vlády ČR
name: Blažek, Miroslav
address: nábř. E. Beneše 4
address: Praha 1
address: 180 01
address: CZ
registrar: REG-MEDIA4WEB
created: 07.06.2021 15:36:27
changed: 14.06.2021 10:05:44
nsset: NSSET-UVCR-DNSSEC
nserver: ns1.cdt.cz (81.19.33.2, 2001:1a48:0:1::2)
nserver: nssec.vlada.cz (82.117.137.215, 2001:1a48:2b::d42f:1773)
nserver: ns.vlada.cz (82.117.137.210, 2001:1a48:2b::d42f:176e)
tech-c: KUCERA.TOMAS
tech-c: KORMUNDA-PAVEL
registrar: REG-INTERNET-CZ
created: 23.04.2014 08:30:30
changed: 29.06.2022 08:12:03
contact: KUCERA.TOMAS
org: Úřad vlády České republiky
name: Tomáš Kučera
address: nábř. Edvarda Beneše 4
address: Praha 1
address: 11801
address: CZ
registrar: REG-INTERNET-CZ
created: 09.06.2011 11:52:53
changed: 02.10.2018 08:24:03
contact: KORMUNDA-PAVEL
org: Uřád vlády České republiky
name: Pavel Kormunda
address: Nábř. E. Beneše 4
address: Praha 1
address: 11801
address: CZ
registrar: REG-MOJEID
created: 21.06.2017 11:49:07
changed: 15.05.2018 21:32:00
keyset: VYZKUMCZ
dnskey: 257 3 13 kVoanRGVFj9CvLbseyhAfNDodTIKPPKrMJFFtCkDjlOvks9Yil9JfqKBUX1uyCcTVN+58ELrSCy6A/6qbImkwQ==
tech-c: M4WA-015FE
registrar: REG-MEDIA4WEB
created: 09.06.2021 11:47:37
Host | A Record | TTL |
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Host | MX Record | Priority | TTL |
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Host | TXT Record | TTL |
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Last tested: 01/27/2018
Total Resources | 105 |
Number of Hosts | 19 |
Static Resources | 81 |
JavaScript Resources | 32 |
CSS Resources | 10 |
Last tested: 04/30/2017
Total Resources | 104 |
Number of Hosts | 21 |
Static Resources | 82 |
JavaScript Resources | 33 |
CSS Resources | 10 |