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ch21.cz Open in urlscan Pro
2606:4700:3036::6815:1409  Public Scan

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URL: https://ch21.cz/
Submission: On November 22 via api from BE — Scanned from US
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 12 IPs in 3 countries across 10 domains to perform 37 HTTP transactions. The main IP is 2606:4700:3036::6815:1409, located in United States and belongs to CLOUDFLARENET, US. The main domain is ch21.cz.
TLS certificate: Issued by WE1 on October 2nd 2024. Valid for: 3 months.
This is the only time ch21.cz was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

21    2606:4700:3036::6815:1409 (United States)

ASN13335 (CLOUDFLARENET, US)
ch21.cz
1    2607:f8b0:4006:81e::200a (United States)

ASN15169 (GOOGLE, US)
fonts.googleapis.com
4    2607:f8b0:4006:816::2008 (United States)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
1    13.33.252.108 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-13-33-252-108.jfk50.r.cloudfront.net
static.hotjar.com
2    2607:f8b0:4006:816::2003 (United States)

ASN15169 (GOOGLE, US)
fonts.gstatic.com
2    2a03:2880:f00e:13:face:b00c:0:3 (Toronto, Canada)

ASN32934 (FACEBOOK, US)
connect.facebook.net
1    18.164.96.46 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-18-164-96-46.jfk50.r.cloudfront.net
script.hotjar.com
1    2001:4860:4802:32::181 (United States)

ASN15169 (GOOGLE, US)
analytics.google.com
1    2607:f8b0:4004:c17::9d (Washington, United States)

ASN15169 (GOOGLE, US)
stats.g.doubleclick.net
1    2607:f8b0:4006:81f::2002 (United States)

ASN15169 (GOOGLE, US)
td.doubleclick.net
2    2a03:2880:f10e:83:face:b00c:0:25de (Toronto, Canada)

ASN32934 (FACEBOOK, US)
www.facebook.com
1    52.51.180.248 (Dublin, Ireland)

ASN16509 (AMAZON-02, US)
PTR: ec2-52-51-180-248.eu-west-1.compute.amazonaws.com
content.hotjar.io
Apex Domain
Subdomains		 Transfer
21 ch21.cz
ch21.cz
1 MB
4 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 39
369 KB
2 facebook.com
www.facebook.com — Cisco Umbrella Rank: 120
212 B
2 doubleclick.net
stats.g.doubleclick.net — Cisco Umbrella Rank: 135
td.doubleclick.net — Cisco Umbrella Rank: 182
548 B
2 facebook.net
connect.facebook.net — Cisco Umbrella Rank: 192
74 KB
2 gstatic.com
fonts.gstatic.com
43 KB
2 hotjar.com
static.hotjar.com — Cisco Umbrella Rank: 888
script.hotjar.com — Cisco Umbrella Rank: 1185
61 KB
1 hotjar.io
content.hotjar.io — Cisco Umbrella Rank: 5577
171 B
1 google.com
analytics.google.com — Cisco Umbrella Rank: 142
1 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 29
1 KB
37 10
Domain Requested by
21 ch21.cz 1 redirects ch21.cz
4 www.googletagmanager.com ch21.cz
www.googletagmanager.com
2 www.facebook.com ch21.cz
2 connect.facebook.net www.googletagmanager.com
connect.facebook.net
2 fonts.gstatic.com fonts.googleapis.com
1 content.hotjar.io script.hotjar.com
1 td.doubleclick.net www.googletagmanager.com
1 stats.g.doubleclick.net www.googletagmanager.com
1 analytics.google.com www.googletagmanager.com
1 script.hotjar.com static.hotjar.com
1 static.hotjar.com ch21.cz
1 fonts.googleapis.com ch21.cz
37 12

This site contains links to these domains. Also see Links.

Domain
app.ch21.cz
www.instagram.com
Subject Issuer Validity Valid
ch21.cz
WE1		 2024-10-02 -
2024-12-31		 3 months crt.sh
upload.video.google.com
WR2		 2024-10-21 -
2025-01-13		 3 months crt.sh
*.google-analytics.com
WR2		 2024-10-21 -
2025-01-13		 3 months crt.sh
*.hotjar.com
Amazon RSA 2048 M03		 2024-05-22 -
2025-06-20		 a year crt.sh
*.gstatic.com
WR2		 2024-10-21 -
2025-01-13		 3 months crt.sh
*.facebook.com
DigiCert SHA2 High Assurance Server CA		 2024-09-01 -
2024-11-30		 3 months crt.sh
*.google.com
WR2		 2024-10-21 -
2025-01-13		 3 months crt.sh
*.g.doubleclick.net
WR2		 2024-10-21 -
2025-01-13		 3 months crt.sh
*.doubleclick.net
WR2		 2024-10-21 -
2025-01-13		 3 months crt.sh
*.hotjar.io
Amazon ECDSA 256 M02		 2024-01-31 -
2025-03-01		 a year crt.sh

This page contains 3 frames:

Primary Page: https://ch21.cz/
Frame ID: 5097FE443D6451F12708F8B19AB42EEE
Requests: 34 HTTP requests in this frame

Frame: https://td.doubleclick.net/td/ga/rul?tid=G-X7J04TEXX4&gacid=726042861.1732318088&gtm=45Pe4bk0v9135047450z89119745796za200zb9119745796&dma=0&gcd=13l3l3l3l1l1&npa=0&pscdl=noapi&aip=1&fledge=1&frm=0&tag_exp=101925629~102067555~102067808~102077855~102081485&z=96711312
Frame ID: 48C4F9EDD3D7EE5D72F2FEBF80EE14A1
Requests: 1 HTTP requests in this frame

Frame: https://ch21.cz/cdn-cgi/challenge-platform/h/g/scripts/jsd/e4025c85ea63/main.js
Frame ID: 667A28F94E30B455593CC50AF1B85568
Requests: 2 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

CH21 - Skvělé motivující SMS výzvy

Detected technologies

Overall confidence: 100%
Detected patterns
  • /wp-(?:content|includes)/
Overall confidence: 100%
Detected patterns
  • //connect\.facebook\.([a-z]+)/[^/]*/[a-z]*\.js
Overall confidence: 100%
Detected patterns
Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com
Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtm\.js
  • googletagmanager\.com/gtag/js
Overall confidence: 100%
Detected patterns
  • //static\.hotjar\.com/
Overall confidence: 100%
Detected patterns
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?
Overall confidence: 100%
Detected patterns
  • jquery[.-]migrate(?:-([\d.]+))?(?:\.min)?\.js(?:\?ver=([\d.]+))?

Page Statistics

37
Requests

97 %
HTTPS

75 %
IPv6

10
Domains

12
Subdomains

12
IPs

3
Countries

1684 kB
Transfer

3194 kB
Size

7
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 33
  • https://ch21.cz/cdn-cgi/challenge-platform/scripts/jsd/main.js HTTP 302
  • https://ch21.cz/cdn-cgi/challenge-platform/h/g/scripts/jsd/e4025c85ea63/main.js

37 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
ch21.cz/ 		138 KB
31 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://ch21.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3036::6815:1409 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
350c70a6bfa39c7025a82f2674d1427f27c29d9fc8cb6d628633e40ac30a32eb
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Response headers

cf-cache-status
DYNAMIC
cf-edge-cache
cache,platform=wordpress
cf-ray
8e6cb1a7aaae41a3-EWR
content-encoding
zstd
content-type
text/html; charset=UTF-8
date
Fri, 22 Nov 2024 23:28:07 GMT
link
<https://ch21.cz/wp-json/>; rel="https://api.w.org/" <https://ch21.cz/wp-json/wp/v2/pages/7>; rel="alternate"; title="JSON"; type="application/json" <https://ch21.cz/>; rel=shortlink
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=%2FMl%2FrlzGRAmyEGSx%2Fga5Xj8VBdhdiQ1JJsZhV4CAguecGSwiJPbuw%2BHJiKJo01YGvjKPDfoLOUc8USh%2BYc8UxSeVmPiG0lNp1jaQhGStrrMCjEw2aOnLTxS2L%2BLvoPBAPj0ro6X3"}],"group":"cf-nel","max_age":604800}
server
cloudflare
server-timing
cfL4;desc="?proto=TCP&rtt=2941&sent=8&recv=12&lost=0&retrans=0&sent_bytes=3908&recv_bytes=2282&delivery_rate=1226978&cwnd=253&unsent_bytes=0&cid=f35940c41df8a3e3&ts=1195&x=0"
vary
Accept-Encoding
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN
x-xss-protection
1; mode=block
rocket-loader.min.js
ch21.cz/cdn-cgi/scripts/7d0fa10a/cloudflare-static/ 		12 KB
4 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://ch21.cz/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Requested by
Host: ch21.cz
URL: https://ch21.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3036::6815:1409 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ccf00d1923b0131a10e0c6d26f95e5dee6ebf8621a27e83c5a2f68a2e0093142
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://ch21.cz/

Response headers

x-frame-options
DENY
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cache-control
max-age=172800, public
content-encoding
gzip
etag
W/"673dd3d6-302c"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=XpHzVgCaZtW4JR2u4HhsWe3pQ%2B5aacyEH3uJUj4dBCkPbezHIS7v5QUUFUdXiY04riACXjbuFRH3%2FmioWbdyWoxuOX%2FK4Hh2%2FbVSlHcn5ggUS83%2F43AQeE3vQSGo4tscES5mn8Jc"}],"group":"cf-nel","max_age":604800}
x-content-type-options
nosniff
cf-ray
8e6cb1af1df941a3-EWR
expires
Sun, 24 Nov 2024 23:28:07 GMT
date
Fri, 22 Nov 2024 23:28:07 GMT
content-type
application/javascript
last-modified
Wed, 20 Nov 2024 12:19:34 GMT
server
cloudflare
vary
Accept-Encoding
et-divi-dynamic-tb-134-7.css
ch21.cz/wp-content/et-cache/7/ 		17 KB
3 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://ch21.cz/wp-content/et-cache/7/et-divi-dynamic-tb-134-7.css?ver=1731764802
Requested by
Host: ch21.cz
URL: https://ch21.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3036::6815:1409 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
41a4a329d239e5cb3d34712cc41500bd955a4940f1a0cf3eade5600110683d0d
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://ch21.cz/

Response headers

content-encoding
gzip
cf-cache-status
MISS
etag
W/"6738a242-458b"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=XXW9jX%2Bpn0QMXuF3VCPj1AZdKNWvdpIeCURlCoSdFgFxECk01L63QMrJZ%2BSNgt0fW2N4xzhey8jEzxRpgDKkU1rEU1GiuBNDHKbHcwgy2eakLav%2BE%2B7%2F8eX5tHxnKrqFb0zyVVrE"}],"group":"cf-nel","max_age":604800}
x-content-type-options
nosniff
server-timing
cfL4;desc="?proto=TCP&rtt=3424&sent=71&recv=39&lost=0&retrans=0&sent_bytes=41352&recv_bytes=3098&delivery_rate=11802163&cwnd=257&unsent_bytes=0&cid=f35940c41df8a3e3&ts=1530&x=0"
date
Fri, 22 Nov 2024 23:28:07 GMT
content-type
text/css
last-modified
Sat, 16 Nov 2024 13:46:42 GMT
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
cache-control
max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-ray
8e6cb1af1de741a3-EWR
x-xss-protection
1; mode=block
server
cloudflare
css
fonts.googleapis.com/ 		15 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://fonts.googleapis.com/css?family=Urbanist:100,200,300,regular,500,600,700,800,900,100italic,200italic,300italic,italic,500italic,600italic,700italic,800italic,900italic&subset=latin,latin-ext&display=swap
Requested by
Host: ch21.cz
URL: https://ch21.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2607:f8b0:4006:81e::200a , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
8e943c8d9a5b07bfec85897f468faf90c47a6f86d53aeaa7aa19ac00953143b1
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://ch21.cz/

Response headers

content-encoding
gzip
x-content-type-options
nosniff
expires
Fri, 22 Nov 2024 23:28:07 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Fri, 22 Nov 2024 23:28:07 GMT
content-type
text/css; charset=utf-8
vary
Sec-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site
last-modified
Fri, 22 Nov 2024 23:28:07 GMT
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
cross-origin-opener-policy
same-origin-allow-popups
cross-origin-resource-policy
cross-origin
access-control-allow-origin
*
x-xss-protection
0
server
ESF
et-core-unified-7.min.css
ch21.cz/wp-content/et-cache/7/ 		1 KB
751 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://ch21.cz/wp-content/et-cache/7/et-core-unified-7.min.css?ver=1731764802
Requested by
Host: ch21.cz
URL: https://ch21.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3036::6815:1409 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8826f08493cb9ded076d5de22533d56cdf9b8a13a9a5c909a7c3eec4c1cea106
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://ch21.cz/

Response headers

content-encoding
gzip
cf-cache-status
MISS
etag
W/"6738a242-5b6"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=l%2FQT3F%2BW%2B1ZK7BDTsqLlVGcbbr6Y8KB5VmrxaW8k0aa0vby5ZFsGckluFlyra8Opc18SCfITmuMXEbow3LCQxiQwxRiBqtPAljA3cS0bh4W5rRnE6wbEKJQPJsjcAzvyQtI72JjP"}],"group":"cf-nel","max_age":604800}
x-content-type-options
nosniff
server-timing
cfL4;desc="?proto=TCP&rtt=3368&sent=77&recv=40&lost=0&retrans=0&sent_bytes=44596&recv_bytes=3098&delivery_rate=11802163&cwnd=257&unsent_bytes=0&cid=f35940c41df8a3e3&ts=1536&x=0"
date
Fri, 22 Nov 2024 23:28:07 GMT
content-type
text/css
last-modified
Sat, 16 Nov 2024 13:46:42 GMT
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
cache-control
max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-ray
8e6cb1af1df341a3-EWR
x-xss-protection
1; mode=block
server
cloudflare
et-core-unified-tb-134-deferred-7.min.css
ch21.cz/wp-content/et-cache/7/ 		10 KB
2 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://ch21.cz/wp-content/et-cache/7/et-core-unified-tb-134-deferred-7.min.css?ver=1731764802
Requested by
Host: ch21.cz
URL: https://ch21.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3036::6815:1409 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
3326dc17e94465a216bf1c905bae2c7864c66e44270f717463986490986109fd
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://ch21.cz/

Response headers

content-encoding
gzip
cf-cache-status
MISS
etag
W/"6738a242-2727"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=T%2F4dvUWyh7kaxccE6icHUCshPJDNENgoCO49Um90pYVPxoOQmyI5tf1BaRmDFmKUaKQ5zl4U8SAy%2BqH6XUDtpgP9WE1yg0Xcxe1xt8qviATFp2zl2XPdXQNtnR6Tr1FZkegaEmQA"}],"group":"cf-nel","max_age":604800}
x-content-type-options
nosniff
server-timing
cfL4;desc="?proto=TCP&rtt=3278&sent=80&recv=41&lost=0&retrans=0&sent_bytes=45413&recv_bytes=3098&delivery_rate=11802163&cwnd=257&unsent_bytes=0&cid=f35940c41df8a3e3&ts=1544&x=0"
date
Fri, 22 Nov 2024 23:28:07 GMT
content-type
text/css
last-modified
Sat, 16 Nov 2024 13:46:42 GMT
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
cache-control
max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-ray
8e6cb1af1df741a3-EWR
x-xss-protection
1; mode=block
server
cloudflare
Logo_Horizontal_compress.png
ch21.cz/wp-content/uploads/2023/08/ 		20 KB
20 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://ch21.cz/wp-content/uploads/2023/08/Logo_Horizontal_compress.png
Requested by
Host: ch21.cz
URL: https://ch21.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3036::6815:1409 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
1ff3ef4b8be5d1f9034082dcfabd653890cbf927a639b2bdcbb94fcb5b12497d
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://ch21.cz/

Response headers

cf-cache-status
MISS
etag
"64db3da4-4f94"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=NSxKahNH329DH%2FUzk61%2BVeB6Z8URUqlWqbSCVb%2FwXx43jYbSi%2BSDfpwCM4KfWF8iupwnGSrCMkGsZN1ycg3xp6QRIPcrPz8FealTgUFWwLZS7x8A%2Bw7hvQ1%2BoJfy17gxXwtbvbXs"}],"group":"cf-nel","max_age":604800}
x-content-type-options
nosniff
server-timing
cfL4;desc="?proto=TCP&rtt=3205&sent=85&recv=47&lost=0&retrans=0&sent_bytes=47364&recv_bytes=3729&delivery_rate=11802163&cwnd=257&unsent_bytes=0&cid=f35940c41df8a3e3&ts=1624&x=0"
date
Fri, 22 Nov 2024 23:28:07 GMT
content-type
image/png
last-modified
Tue, 15 Aug 2023 08:56:04 GMT
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
cache-control
max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-ray
8e6cb1af1dfe41a3-EWR
accept-ranges
bytes
content-length
20372
x-xss-protection
1; mode=block
server
cloudflare
Challenge-21_Homepage-1-compress.png
ch21.cz/wp-content/uploads/2023/08/ 		136 KB
137 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
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accelerometer=(), attribution-reporting=(self), autoplay=(), bluetooth=(), browsing-topics=(self), camera=(self), ch-device-memory=(), ch-downlink=(), ch-dpr=(), ch-ect=(), ch-rtt=(), ch-save-data=(), ch-ua-arch=(), ch-ua-bitness=(), ch-viewport-height=(), ch-viewport-width=(), ch-width=(), clipboard-read=(self), clipboard-write=(self), compute-pressure=(), display-capture=(self), encrypted-media=(self), fullscreen=(self), gamepad=*, geolocation=(self), gyroscope=(), hid=(), idle-detection=(), interest-cohort=(self), keyboard-map=(), local-fonts=(), magnetometer=(), microphone=(self), midi=(), otp-credentials=(), payment=(), picture-in-picture=(self), private-state-token-issuance=(), publickey-credentials-get=(self), screen-wake-lock=(), serial=(), shared-storage=(), shared-storage-select-url=(), private-state-token-redemption=(), usb=(), unload=(self), window-management=(), xr-spatial-tracking=(self);report-to="permissions_policy"
document-policy
force-load-at-top
x-xss-protection
0
origin-agent-cluster
?1
cropped-Logo_Fragment-32x32.png
ch21.cz/wp-content/uploads/2023/03/ 		1 KB
2 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://ch21.cz/wp-content/uploads/2023/03/cropped-Logo_Fragment-32x32.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3036::6815:1409 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7ae1cc91adc2e470f600a500d54cec499d4d03149e5bde96839e4dcdb2526ba8
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://ch21.cz/

Response headers

cf-cache-status
MISS
etag
"6425180b-4fe"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=RechyX7t7fF00eseqSJkcKTunz3rNhroilnlT9vnnNM7XeUKLOKoHGOBeqz0PbGTzHyfOxSPUeA7%2BlQI1iyf82U6XwJdP%2FttmoHLM1mlCudn3PJZcd7Z7NWXLX%2FrNWwpelYhQoxM"}],"group":"cf-nel","max_age":604800}
x-content-type-options
nosniff
server-timing
cfL4;desc="?proto=TCP&rtt=6337&sent=1033&recv=833&lost=0&retrans=0&sent_bytes=1168883&recv_bytes=21049&delivery_rate=48182902&cwnd=393&unsent_bytes=0&cid=f35940c41df8a3e3&ts=2780&x=0"
date
Fri, 22 Nov 2024 23:28:09 GMT
content-type
image/png
last-modified
Thu, 30 Mar 2023 05:03:07 GMT
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
cache-control
max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-ray
8e6cb1b6fa5d41a3-EWR
accept-ranges
bytes
content-length
1278
x-xss-protection
1; mode=block
server
cloudflare
main.js
ch21.cz/cdn-cgi/challenge-platform/h/g/scripts/jsd/e4025c85ea63/ Frame 667A
Redirect Chain
  • https://ch21.cz/cdn-cgi/challenge-platform/scripts/jsd/main.js
  • https://ch21.cz/cdn-cgi/challenge-platform/h/g/scripts/jsd/e4025c85ea63/main.js?
8 KB
4 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://ch21.cz/cdn-cgi/challenge-platform/h/g/scripts/jsd/e4025c85ea63/main.js?
Protocol
H2
Server
2606:4700:3036::6815:1409 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
d24a4aefacd22f3e3bb689f8e8a09cefb0aa29ba3b84eaf6abcefd27d4d5d6a3
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer

Response headers

cache-control
max-age=14400, stale-if-error=10800, stale-while-revalidate=10800, public
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding
zstd
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=gKPIag2PCP3EClysrHZ0c03nDxwGg4UhbNgL4PeNT8Tagi%2FGfe7wUVqRk%2FU9SPDeTCG%2BJ%2FExAhnZcFeqw87O%2FyjbuVgSNWk7c2swwIuddT0w6pnyVsF%2B%2BINkDOPgT%2BGw2zfMyy%2B1"}],"group":"cf-nel","max_age":604800}
x-content-type-options
nosniff
cf-ray
8e6cb1b7cb9b41a3-EWR
server-timing
cfL4;desc="?proto=TCP&rtt=7420&sent=1021&recv=817&lost=0&retrans=0&sent_bytes=1163437&recv_bytes=4711&delivery_rate=48182902&cwnd=393&unsent_bytes=0&cid=f35940c41df8a3e3&ts=2608&x=0"
date
Fri, 22 Nov 2024 23:28:08 GMT
content-type
application/javascript; charset=UTF-8
vary
Accept-Encoding
server
cloudflare

Redirect headers

cache-control
max-age=300, stale-if-error=10800, stale-while-revalidate=10800, public
location
/cdn-cgi/challenge-platform/h/g/scripts/jsd/e4025c85ea63/main.js?
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=m94ScSvKIMpeC9%2BkXAullvDoRqVL%2FXoEWnzS3KlckMlDHk1qIOWhQAaNPSmWV9bVOYWLDkrYIoyLKmLzqHqmp5wJTkV%2FPW%2Bep6KIZIwKu%2Bz%2BGKHe9kmKjhd67YuziUkh%2FXRKIWEa"}],"group":"cf-nel","max_age":604800}
cf-ray
8e6cb1b74ada41a3-EWR
access-control-allow-origin
*
server-timing
cfL4;desc="?proto=TCP&rtt=8064&sent=1020&recv=815&lost=0&retrans=0&sent_bytes=1162889&recv_bytes=4359&delivery_rate=48182902&cwnd=393&unsent_bytes=0&cid=f35940c41df8a3e3&ts=2526&x=0"
content-length
0
date
Fri, 22 Nov 2024 23:28:08 GMT
vary
Accept-Encoding
server
cloudflare
/
content.hotjar.io/ 		56 B
171 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://content.hotjar.io/?site_id=3578069&gzip=1
Requested by
Host: script.hotjar.com
URL: https://script.hotjar.com/modules.86621fa4aeada5bcf025.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
52.51.180.248 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-52-51-180-248.eu-west-1.compute.amazonaws.com
Software
/
Resource Hash
b63d7bb2212b859e6508cfb22406e5bb1752b92f7d87585e00ceedc276d1abac

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Content-Type
text/plain; charset=UTF-8
Referer
https://ch21.cz/

Response headers

access-control-max-age
86400
access-control-allow-origin
*
content-length
56
date
Fri, 22 Nov 2024 23:28:09 GMT
content-type
application/json
8e6cb1a7aaae41a3
ch21.cz/cdn-cgi/challenge-platform/h/g/jsd/r/ Frame 667A 		0
989 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://ch21.cz/cdn-cgi/challenge-platform/h/g/jsd/r/8e6cb1a7aaae41a3
Requested by
Host: ch21.cz
URL: https://ch21.cz/cdn-cgi/challenge-platform/scripts/jsd/main.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3036::6815:1409 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Content-Type
application/json
Referer

Response headers

nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=9Amgzp60z%2BZ0p0OXlw3UNc8C4ye2xSOULdsa%2FB6xSbbzf3igD01uW5htdUSNyOvu1OH73Xw%2FRRuPjYHo4iwxwSDOezoe%2BQsrGU7%2FsvHna%2BDC20GE8SLpM2Wci%2BmXZhY0cB%2BUTeER"}],"group":"cf-nel","max_age":604800}
cf-ray
8e6cb1b89cf041a3-EWR
server-timing
cfL4;desc="?proto=TCP&rtt=6879&sent=1032&recv=832&lost=0&retrans=0&sent_bytes=1167872&recv_bytes=21049&delivery_rate=48182902&cwnd=393&unsent_bytes=0&cid=f35940c41df8a3e3&ts=2752&x=0"
content-length
0
date
Fri, 22 Nov 2024 23:28:09 GMT
content-type
text/plain; charset=UTF-8
server
cloudflare

Verdicts & Comments Add Verdict or Comment

90 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

object| 0 object| 1 object| 2 function| jQuery function| $ function| gtag object| dataLayer function| hj object| _hjSettings object| __cfQR object| google_tag_manager object| google_tag_data function| fbq function| _fbq object| _fbq_gtm_ids object| hjSiteSettings object| hjLazyModules function| hjBootstrap object| hjBootstrapCalled object| gaGlobal object| DIVI object| et_builder_utils_params object| et_frontend_scripts object| et_pb_custom object| et_pb_box_shadow_elements function| Waypoint function| et_pb_debounce function| et_pb_smooth_scroll function| et_pb_form_placeholders_init function| et_duplicate_menu function| et_pb_remove_placeholder_text function| et_fix_fullscreen_section function| et_bar_counters_init function| et_fix_pricing_currency_position function| et_pb_set_responsive_grid function| et_pb_set_tabs_height function| et_pb_box_shadow_apply_overlay function| et_pb_init_nav_menu function| et_pb_toggle_nav_menu function| et_pb_apply_sticky_image_effect function| et_pb_menu_inject_inline_centered_logo function| et_pb_menu_inject_item function| et_pb_reposition_menu_module_dropdowns boolean| et_load_event_fired boolean| et_is_fixed_nav function| et_pb_init_woo_star_rating function| et_pb_wrap_woo_attribute_fields_in_span function| et_calculate_fullscreen_section_size function| et_pb_init_modules function| etFixDividerSpacing function| etInitWooReviewsRatingStars boolean| __cfRLUnblockHandlers function| et_calculate_header_values function| et_change_primary_nav_position function| et_fix_page_container_position function| et_pb_window_side_nav_scroll_init function| et_pb_side_nav_page_init function| et_pb_init_woo_custom_button_icon string| waypointContextKey function| et_pb_slider_init function| et_countdown_timer function| et_countdown_timer_labels function| et_pb_tabs_init function| et_pb_circle_counter_update function| et_apply_parallax function| et_parallax_set_height function| et_apply_builder_css_parallax function| et_pb_play_overlayed_video function| et_pb_resize_section_video_bg function| et_pb_center_video function| et_pb_adjust_video_margin function| et_fix_slider_height function| et_pb_submit_newsletter function| et_fix_testimonial_inner_width function| et_pb_video_background_init function| et_animate_element function| et_process_animation_data function| et_has_animation_data function| et_get_animation_classes function| et_remove_animation function| et_remove_animation_data function| et_reinit_waypoint_modules function| et_calc_fullscreen_section function| debounced_et_apply_builder_css_parallax function| et_pb_parallax_init function| et_pb_fullwidth_header_scroll function| et_pb_search_init function| et_pb_search_percentage_custom_margin_fix function| et_pb_comments_init function| et_pb_shop_add_hover_class

7 Cookies

Domain/Path Name / Value
.ch21.cz/ Name: _ga_X7J04TEXX4
Value: GS1.1.1732318088.1.0.1732318088.60.0.0
.ch21.cz/ Name: _ga
Value: GA1.1.726042861.1732318088
.doubleclick.net/ Name: test_cookie
Value: CheckForPermission
.ch21.cz/ Name: _fbp
Value: fb.1.1732318088392.619220504787197634
.ch21.cz/ Name: _hjSessionUser_3578069
Value: eyJpZCI6IjA5MjU0NGZkLWY1ZDktNWIwNy1hY2M4LTA0NDMzNWNkOGMzMCIsImNyZWF0ZWQiOjE3MzIzMTgwODg4NDIsImV4aXN0aW5nIjp0cnVlfQ==
.ch21.cz/ Name: _hjSession_3578069
Value: eyJpZCI6IjFlNzI4YTQyLWRiNzEtNDYxNS04MDIxLTYxMDZkZjc5MDk1YSIsImMiOjE3MzIzMTgwODg4NDQsInMiOjEsInIiOjEsInNiIjowLCJzciI6MCwic2UiOjAsImZzIjoxLCJzcCI6MH0=
.ch21.cz/ Name: cf_clearance
Value: rZldsKXAoR6wXJdJeuEmUCPefBXdrrxLe3D8N1Lmf8g-1732318089-1.2.1.1-loM9Jk.MIjy_uH1Mm5tIudx_pv64Y3Novptj7SS38QNiDpogBrkxHsF9QXvNvpM6U10oQk2mv03uWHBXCfHsANjkvFfN8XDRQ2UU5MkqXQZUDPiUdIr23j5iRNT75t9616oRiSJph2dS7_VO75loV3fJo8pl_IIMSLh.5kQmgDKUZL7ZeLwwDmq40V929epD8q68bKbfgqgZy1OBSnTaTSNNIbQdc1MmBE.GC8_2XLJ1ZCMlrJEENaAUSLabFA4euY9hDDkEotTkQjrUTh6LOqKqFwm6F.taXqcaVxcswdOMkcGlJggT2FhQHlKBtVMugjokchOyFE.YkUJ1gaIr91cTCmQKiP3qqLc1zNNnS1l67AMFWb8C8XwcdkxrnLQc

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

analytics.google.com
ch21.cz
connect.facebook.net
content.hotjar.io
fonts.googleapis.com
fonts.gstatic.com
script.hotjar.com
static.hotjar.com
stats.g.doubleclick.net
td.doubleclick.net
www.facebook.com
www.googletagmanager.com
13.33.252.108
18.164.96.46
2001:4860:4802:32::181
2606:4700:3036::6815:1409
2607:f8b0:4004:c17::9d
2607:f8b0:4006:816::2003
2607:f8b0:4006:816::2008
2607:f8b0:4006:81e::200a
2607:f8b0:4006:81f::2002
2a03:2880:f00e:13:face:b00c:0:3
2a03:2880:f10e:83:face:b00c:0:25de
52.51.180.248
0d27eda152be18a60cb69894210f16b89b920be412edb9ca51faca7556cd4ca7
1ca76922f55b389b8f590ae7e3bcc3a2dccdce3aff1e5a4335af081b76a414ea
1e91beef82976b8b6d1e7f80373c04ac9a1e25a2ee587ab33b920c7ba188af7d
1ff3ef4b8be5d1f9034082dcfabd653890cbf927a639b2bdcbb94fcb5b12497d
2595496fe48df6fcf9b1bc57c29a744c121eb4dd11566466bc13d2e52e6bbcc8
2610e99fd5f07e6040ce57adb237eefa3d0a6da34a4f2d3c766a2f22d50afb36
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350c70a6bfa39c7025a82f2674d1427f27c29d9fc8cb6d628633e40ac30a32eb
3a6cc2ec8023083ee8e2818541fa820af8b80e58e85cc62a351219c67ffc4944
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5274f11e6fb32ae0cf2dfb9f8043272865c397a7c4223b4cfa7d50ea52fbde89
527bf3dacc5eb62211130fe4bf315c682861320ab25b4aa2efe6ea87a760db8c
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6571cc761d7b608532284ab4de9057c80ebda3d192e6f662a72fea1b38ae1a89
7ae1cc91adc2e470f600a500d54cec499d4d03149e5bde96839e4dcdb2526ba8
84221e6c0c5f950b44d38a40bc19ffa9a340b2a5d207cb6f6461b84d474f2555
8771f74064449e31d44a81735e85da6df5982ee454628ffd94ebda90429af01b
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8e943c8d9a5b07bfec85897f468faf90c47a6f86d53aeaa7aa19ac00953143b1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