ctenarum.cz Ctenarum.cz

   
Čtenářům

Domain Summary

What IP addresses does Ctenarum.cz resolve to?

• Ctenarum.cz resolves to the IP addresses 18.66.122.110.

Where are Ctenarum.cz servers located in?

• Ctenarum.cz has servers located in United States.

ctenarum.cz Profile

Title:Čtenářům
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What technologies does ctenarum.cz use?

These are the technologies used at ctenarum.cz. ctenarum.cz has a total of 7 technologies installed in 6 different categories.
CDN
Amazon Cloudfront Amazon Cloudfront
PaaS
Amazon Web Services Amazon Web Services
Miscellaneous
Amazon S3 Amazon S3
PWA PWA
Analytics
Google Analytics Google Analytics
Tag Managers
Google Tag Manager Google Tag Manager
JavaScript Libraries
jQuery jQuery

ctenarum.cz Traffic Analysis

There's no enough data about ctenarum.cz traffic.
Daily Visitors n/a
Monthly Visits n/a
Pages per Visit n/a
Visit duration n/a
Bounce Rate n/a
Is this your site?Verify your site's metrics.
Daily Unique Visitors:
 n/a
Monthly Visits:
n/a
Pages per Visit:
n/a
Daily Pageviews:
n/a
Avg. visit duration:
n/a
Bounce rate:
n/a
Global Reach:
 n/a
HypeRank:
n/a
*All traffic values are estimates only.

  ▼

SEMrush is a complete on line advertising and marketing platform that gives a extensive variety of gear and functions to help companies and entrepreneurs in enhancing their on line visibility and optimizing their virtual advertising and marketing strategies.
SemRushSemRush
Domain:
  ctenarum.cz
Rank:
(Rank based on keywords, cost and organic traffic)
  n/a
Organic Keywords:
(Number of keywords in top 20 Google SERP)
  0
Organic Traffic:
(Number of visitors coming from top 20 search results)
  0
Organic Cost:
((How much need to spend if get same number of visitors from Google Adwords)
  $0.00
Full SEMrush Report >>
Last update was 49 mins ago
     
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*HypeStat.com is not promoting or affiliated with ctenarum.cz in any way. Only publicly available statistics data are displayed.

Ad Experience Report ▼

Summary of the ad experience rating of a website for a specific platform.

Mobile summary

Root domain:
ctenarum.cz
Ad filtering:
(Chrome is not filtering ads on your site.)
Off
Status:
(The status of the site that is reviewed for the Better Ads Standards.)
Not reviewed

Desktop summary

Root domain:
ctenarum.cz
Ad filtering:
(Chrome is not filtering ads on your site.)
Off
Status:
(The status of the site that is reviewed for the Better Ads Standards.)
Not reviewed

Abusive Experience Report ▼

Summary of the abusive experience rating of a website.
Root domain:
ctenarum.cz
Enforcement:
(Chrome is not preventing your site from opening new windows or tabs.)
Off
Status:
(The status of the site reviewed for the abusive experiences.)
Not reviewed

Where is ctenarum.cz hosted? ▼

Ctenarum.cz may be hosted in multiple data centers distributed in different locations around the world. This is probably just one of them.
Server IP:
18.66.122.110
ASN:
AS16509 
ISP:
Amazon.com, Inc. 
Server Location:

United States, US
 

Other sites hosted on 18.66.122.110

How fast does ctenarum.cz load? ▼

The average loading time of ctenarum.cz is 58 ms.
Average Load Time:
58 ms

Does ctenarum.cz use compression? ▼

Website compression is the process of reducing the size of website files, such as HTML, CSS, JavaScript, and image files, to improve website performance and load times. Compressing website files can significantly reduce the amount of data that needs to be transferred from the server to the user's browser, resulting in faster page load times and improved user experience. Files on ctenarum.cz are reduced by %.
ctenarum.cz does not use compression.
Original size: 123.07 KB
Compressed size: n/a
File reduced by: (%)

Google Safe Browsing ▼

Google Safe Browsing is a service provided by Google that helps protect users from visiting websites that may contain malicious or harmful content, such as malware, phishing attempts, or deceptive software.
This site is not currently listed as suspicious

MyWot.com Reputation Ratings

MyWOT (short for "My Web of Trust") is a web-based reputation and rating service that provides users with information about the trustworthiness and safety of websites.
Status:
  SAFE

SSL Checker - SSL Certificate Verify ▼

An SSL (Secure Sockets Layer) certificate is a digital certificate that establishes a secure encrypted connection between a web server and a user's web browser. It provides authentication and encryption, ensuring that data transmitted between the server and the browser remains private and protected. ctenarum.cz supports HTTPS.
 ctenarum.cz supports HTTPS
     
Verifying SSL Support. Please wait...
Common Name: ctenarum.cz
Organization:
Location:
Issuer: Amazon RSA 2048 M04
Valid from: Jun 17 00:00:00 2026 GMT
Valid until: Dec 31 23:59:59 2026 GMT
Authority: CA:FALSE
Keysize: 2048 Bits
Common Name: Amazon RSA 2048 M04
Organization: Amazon
Location: US
Issuer: Amazon Root CA 1
Valid from: Aug 23 22:26:35 2022 GMT
Valid until: Aug 23 22:26:35 2030 GMT
Authority: CA:TRUE
Keysize: 2048 Bits
Common Name: Amazon Root CA 1
Organization: Amazon
Location: US
Issuer: Starfield Services Root Certificate Authority - G2
Valid from: May 25 12:00:00 2015 GMT
Valid until: Dec 31 01:00:00 2037 GMT
Authority: CA:TRUE
Keysize: 2048 Bits

Verify HTTP/2 Support ▼

HTTP/2 (Hypertext Transfer Protocol version 2) is a major revision of the HTTP protocol, which is the foundation of data communication on the World Wide Web. It was developed as an improvement over the previous HTTP/1.1 version to enhance web performance and efficiency.
 ctenarum.cz supports HTTP/2
     
Verifying HTTP/2.0 Support. Please wait...

Http Header ▼

HTTP headers are extra portions of records despatched among a consumer (which include an internet browser) and a server at some stage in an HTTP request or response. They offer instructions, metadata, or manipulate parameters for the conversation among the consumer and server. 
content-type: text/html
content-length: 126028
last-modified: Fri, 18 Dec 2020 21:16:32 GMT
server: AmazonS3
date: Sun, 09 Aug 2026 04:51:31 GMT
etag: "6a4ce37f03ac822b7f46eb3b81579edb"
x-cache: Hit from cloudfront
via: 1.1 1662abbf731d8832e73c83b2467e7f38.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA60-P2
x-amz-cf-id: WOG1OHO3N27Ao_vhd4i228RZkjhkVgYVPgLP53Veilzz8XBGjkPbKw==
age: 40652

DNS Lookup ▼

DNS entries (Domain Name System) are a critical component of the Internet infrastructure. They act as directories that translate human-readable domain names (such as example.com) to machine-readable IP addresses. DNS records are stored on DNS servers and help forward internet traffic efficiently.
Type Ip Target/Txt TTL
A 18.66.122.43 60
A 18.66.122.55 60
A 18.66.122.9 60
A 18.66.122.110 60
NS ns-595.awsdns-10.net 3568
NS ns-86.awsdns-10.com 3568
NS ns-1514.awsdns-61.org 3568
NS ns-1640.awsdns-13.co.uk 3568
SOA 900
Mname ns-86.awsdns-10.com
Rname awsdns-hostmaster.amazon.com
Serial Number 1
Refresh 7200
Retry 900
Expire 1209600
Minimum TTL 86400

Whois Lookup ▼

Domain WHOIS is a public database that provides information about domain names, including registered owners, contact information, domain registrars, registration and expiration dates, name servers, and other relevant information. Domain registration for this website began on September 1, 2008 and will expire on September 1, 2027 if not renewed. This website is now assigned through the registrar Lukas Gebauer. The WHOIS data for this website's domain was last updated on December 18, 2020.
Domain Created:
2008-09-01
Domain Expires:
2027-09-01
Domain Updated:
2020-12-18
Domain Age:
17 years 11 months 8 days
Domain Registrar:
Lukas Gebauer
Domain Owner:
Městská knihovna v Praze
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: 3.15.0
% Timestamp: Sun Aug 09 18:09:33 2026

domain:       ctenarum.cz
registrant:   WEB4U_KZQPQPJTTQTBJ
admin-c:      WEB4U
nsset:        NS-CTENARUM
registrar:    REG-WEB4U
registered:   01.09.2008 02:20:13
changed:      18.12.2020 21:27:50
expire:       01.09.2027

contact:      WEB4U_KZQPQPJTTQTBJ
org:          Městská knihovna v Praze
name:         Ondřej Černý
address:      Mariánské nám. 1
address:      Praha 1
address:      11572
address:      CZ
registrar:    REG-WEB4U
created:      21.08.2008 12:16:03
changed:      25.11.2013 08:41:02

contact:      WEB4U
org:          Web4U s.r.o.
name:         František Princ
address:      Korunní 2569/108
address:      Vinohrady
address:      Praha 10
address:      10100
address:      CZ
registrar:    REG-WEB4U
created:      03.10.2007 14:48:14
changed:      24.04.2023 10:14:55

nsset:        NS-CTENARUM
nserver:      ns-86.awsdns-10.com 
nserver:      ns-1640.awsdns-13.co.uk 
nserver:      ns-1514.awsdns-61.org 
nserver:      ns-595.awsdns-10.net 
tech-c:       LG755-RIPE
tech-c:       SB:LG755-RIPE_XX
registrar:    REG-WEB4U
created:      18.12.2020 14:45:43

contact:      LG755-RIPE
name:         Lukas Gebauer
address:      Marianske namesti 98/1
address:      Praha 1
address:      115 72
address:      CZ
registrar:    REG-INTERNET-CZ
created:      10.08.2001 22:13:00
changed:      06.06.2025 14:14:14

contact:      SB:LG755-RIPE_XX
org:          Mestska knihovna v Praze
name:         Lukas Gebauer
address:      Marianske namesti 98/1
address:      Praha 1
address:      115 72
address:      CZ
registrar:    REG-INTERNET-CZ
created:      10.08.2001 22:13:00
changed:      06.06.2025 14:47:33