Davidcerny.cz belongs to AMAZON-02 - Amazon.com, Inc., US. Check the list of other websites hosted by AMAZON-02 - Amazon.com, Inc., US.
In terms of rank-to-traffic ratio, davidcerny.cz has 2,772 unique users per day, viewing 5,538 pages. The rank based value of davidcerny.cz is 4,147 USD. Every user makes 2.16 pageviews on average.
Davidcerny.cz boasts a link base consisting of 351 referring domains and 387 external backlinks, as revealed by the data obtained from web network scanning.
Davidcerny.cz top-level domain belongs to .CZ domain zone. Check other webpages in .CZ zone.
According the last verification test in June 15, 2026, davidcerny.cz has an invalid SSL certificate. Click button “Update” SSL Information at the Safety Information section.
Relying on data from Web of Trust davidcerny.cz is probably an unsafe domain.
Based on Mobile-Friendly test by Google davidcerny.cz is poorly optimized for mobile phones and tablets. Remember that optimizing your website design for mobile devices ensures that all of your web pages perform well on all devices, page loading speed can also be accelerated.





| Domain | Unknown |
| Issuer Organization | Unknown |
| Issuer | Unknown |
| Algorithm | Unknown |
| Valid form | Unknown |
| Expiration | Unknown |
| Signed | No information |
| Additional Domains |
Alexa Rank shows how popular davidcerny.cz is in comparison with other sites. The most popular site has Alexa Rank equals 1. If davidcerny.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 davidcerny.cz and pageviews on davidcerny.cz over the past 3 months.
ASN ID: 16509
ASN Title: AMAZON-02 - Amazon.com, Inc., USLast Update: 05/31/2026
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
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# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
ASNumber: 16509
ASName: AMAZON-02
ASHandle: AS16509
RegDate: 2000-05-03
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/16509
OrgName: Amazon.com, Inc.
OrgId: AMAZON-4
Address: 1918 8th Ave
City: SEATTLE
StateProv: WA
PostalCode: 98101-1244
Country: US
RegDate: 1995-01-23
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/AMAZON-4
OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-266-4064
OrgAbuseEmail: abuse@amazonaws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN
OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-266-4064
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN
RTechHandle: AC6-ORG-ARIN
RTechName: Amazon-com Incorporated
RTechPhone: +1-206-266-2187
RTechEmail: ipmanagement@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/AC6-ORG-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
% (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: 3.15.0
% Timestamp: Tue May 21 03:32:21 2024
domain: davidcerny.cz
registrant: SB:DC885-RIPE_XX
admin-c: DC885-RIPE
nsset: NSSET-WEBSUPPORT
keyset: WSKS-1711017350170044
registrar: REG-ACTIVE24
registered: 27.10.1999 19:51:00
changed: 21.03.2024 11:35:50
expire: 27.10.2024
contact: SB:DC885-RIPE_XX
org: David Cerny
name: David Cerny
address: Svatovitska 3
address: Praha 6
address: 16000
address: CZ
registrar: REG-INTERNET-CZ
created: 10.08.2001 22:13:00
changed: 15.05.2018 21:32:00
contact: DC885-RIPE
name: David Cerny
address: Svatovitska 3
address: Praha 6
address: 160 00
address: CZ
registrar: REG-INTERNET-CZ
created: 10.08.2001 22:13:00
changed: 15.05.2018 21:32:00
nsset: NSSET-WEBSUPPORT
nserver: ns1.websupport.cz
nserver: ns2.websupport.cz
nserver: ns3.websupport.eu
tech-c: ACTIVE24
registrar: REG-ACTIVE24
created: 22.06.2021 12:25:47
changed: 22.06.2021 15:13:44
contact: ACTIVE24
org: ACTIVE 24, s.r.o.
name: ACTIVE 24, s.r.o.
address: Sokolovská 394/17
address: Praha 8
address: 186 00
address: CZ
registrar: REG-ACTIVE24
created: 29.04.2008 12:35:02
changed: 15.05.2018 21:32:00
keyset: WSKS-1711017350170044
dnskey: 257 3 13 KWz1Ex22FapxhIKHjf0N28HXYiUr9vMtPMDJWUXn+Q/nQsp2Czl+a7AY17RZB43pnWJtyZ16Jwghtox6g8bpyw==
tech-c: WEBSUPPORT
registrar: REG-ACTIVE24
created: 21.03.2024 11:35:50
contact: WEBSUPPORT
org: Websupport, s.r.o.
name: Jan Cifra
address: Karadzicova 12
address: Bratislava
address: 81103
address: SK
registrar: REG-WEBSUPPORT
created: 29.11.2007 14:33:03
changed: 20.07.2021 20:59:23
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