Caa.cz Úřad pro civilní letectví - Bezpečně a s nadhledem

Caa.cz Overview

Caa.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, caa.cz has 7,134 unique users per day, viewing 28,535 pages. The rank based value of caa.cz is 43,740 USD. Every user makes 4.28 pageviews on average.

Caa.cz boasts a link base consisting of 467 referring domains and 590 external backlinks, as revealed by the data obtained from web network scanning.

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

According the last verification test in September 04, 2024, caa.cz has an expired SSL certificate issued by Let's Encrypt (expired on October 14, 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, Symantec and Web of Trust caa.cz is a fairly safe domain.

According the Mobile-Friendly test by Google caa.cz is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

Caa.cz Website Safety

Overview

Last Updated: 06/13/2026

Unknown status.

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

Last Updated: 03/22/2026

caa.cz is safe.

Norton ConnectSafe evaluates caa.cz for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 06/13/2026

Unknown status.

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 Browsing

Last Updated: 01/09/2019

caa.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.

Site Advisor

Last Updated: 02/20/2021

caa.cz is safe.

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

Web of Trust

Last Updated: 01/12/2019

caa.cz child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	caa.cz
Issuer Organization	Let's Encrypt
Issuer	R11
Algorithm	RSA-SHA256
Valid form	07/16/2024
Expiration	10/14/2024
Signed	Certificate is not self signed
Additional Domains	caa.cz ucl.cz www.caa.cz www.ucl.cz

Caa.cz Rank History

Alexa Rank shows how popular caa.cz is in comparison with other sites. The most popular site has Alexa Rank equals 1. If caa.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 caa.cz and pageviews on caa.cz over the past 3 months.

Caa.cz Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 16509

ASN Title: AMAZON-02 - Amazon.com, Inc., US

Last Update: 05/09/2026

#
# 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
#
# 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.
#

Caa.cz Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

% (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: Sat Aug 20 16:51:27 2022

domain: caa.cz
registrant: SB:MD536-RIPE_XX
nsset: NSS:MD536-RIPE_XX:1
keyset: CAA-KEYSET
registrar: REG-ACTIVE24
registered: 27.07.1997 02:00:00
changed: 22.06.2022 14:48:55
expire: 24.10.2025

contact: SB:MD536-RIPE_XX
org: Urad pro civilni letectvi CR
name: Urad pro civilni letectvi CR
address: Letiste Ruzyne
address: Praha 6
address: 16008
address: CZ
registrar: REG-ACTIVE24
created: 10.08.2001 22:13:00
changed: 15.05.2018 21:32:00

nsset: NSS:MD536-RIPE_XX:1
nserver: teta.caa.cz (193.86.115.69)
nserver: ns.eunet.cz
tech-c: SB:MD536-RIPE_XX
tech-c: ACTIVE24-PZDO060890
registrar: REG-ACTIVE24
created: 01.10.2007 02:00:00

contact: ACTIVE24-PZDO060890
name: Petr Svestka
address: Letiste Ruzyne
address: Praha 6
address: 16008
address: CZ
registrar: REG-ACTIVE24
created: 19.09.2007 17:35:00
changed: 15.05.2018 21:32:00

keyset: CAA-KEYSET
dnskey: 257 3 8 AwEAAbqJDhbBN/WCFVUlOpLgCwYEE86de3oqYv8UjAZNllpGj9ub9nPtpQiECBU9fyDcbeLKVgjapZSBjcdAoJSFALA7zKEArTXHsSNNnnxVO/pqUTG8WCiDpdw6MBB7ZY5TuY75mGj/r1c7mGGMQXo2Qw24qW0uoXO6c0O/srTzBX5eLywZj2yjTvq0Un86p3lt4dfnoauIlVLSVCsilF6PavBrCUW0bBbABiC7c7had79b2TR2PZqjYluheyJZe1o2Qt175eonwnl2ezOYWsomcrh29nkU6w11m2ANWuwO8A82kj6e+sOZ4CCLicHAxP1xHy777jMLoatU+ZTsgb9Prjk=
tech-c: ACTIVE24-PZDO060890
registrar: REG-ACTIVE24
created: 14.10.2015 08:39:11
changed: 14.10.2015 09:12:48

DNS Records

DNS Lookup Tool

Host	A Record	TTL
caa.cz	193.86.115.82	3600

Host	MX Record	Priority	TTL
caa.cz	firewall.caa.cz	10	86400

Host	NS Record	TTL
caa.cz	teta.caa.cz	3600
caa.cz	ns.eunet.cz	3600

Host	TXT Record	TTL
caa.cz	v=spf1 mx ptr -all	3600

teta.caa.cz
TTL: 3600
Email address: hostmaster.firewall.caa.cz
Serial: 2019062501
Refresh: 3600
Retry: 300
Expire: 1728000
Minimum: 172800

Caa.cz HTML Check

HTML Validation Tool

Errors

Obsolete doctype. Expected “<!DOCTYPE html>”.

Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.

Bad value “screen, projection” for attribute “media” on element “link”: Deprecated media type “projection”. For guidance, see the Media Types section in the current Media Queries specification.

Bad value “handheld” for attribute “media” on element “link”: Deprecated media type “handheld”. For guidance, see the Media Types section in the current Media Queries specification.

Bad value “border” for attribute “border” on element “img”: Only “0” is a permitted zero literal.

The “hspace” attribute on the “img” element is obsolete. Use CSS instead.

Attribute “alt” not allowed on element “input” at this point.

Warnings

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

Caa.cz Desktop Performance

Last tested: 05/17/2017

Desktop Speed

58%

Enable compression

Optimize images

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

Minify JavaScript

Minify CSS

Leverage browser caching

Desktop Resource Breakdown

Total Resources	51
Number of Hosts	3
Static Resources	48
JavaScript Resources	20
CSS Resources	5

Caa.cz Mobile Insights

Last tested: 07/01/2018

Mobile Usability

66%

Use legible font sizes

Configure the viewport

Size content to viewport

Size tap targets appropriately

Mobile Speed

48%

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

Enable compression

Optimize images

Minify JavaScript

Minify CSS

Leverage browser caching

Mobile Resource Breakdown

Total Resources	50
Number of Hosts	3
Static Resources	47
JavaScript Resources	20
CSS Resources	5

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Caa.cz Úřad pro civilní letectví - Bezpečně a s nadhledem

Caa.cz Overview

Caa.cz Website Safety

Caa.cz Rank History

Caa.cz Hosting Information

Caa.cz Domain Registration and Settings

Caa.cz HTML Check

Caa.cz Desktop Performance

Caa.cz Mobile Insights

Caa.cz Similar Audits

Caa.cz Common Typos