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esn.cvut.cz Open in urlscan Pro
2603:1020:203:3::  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: https://syuzd.irnrefnation.com/
Effective URL: https://esn.cvut.cz/
Submission: On May 14 via api from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 6 IPs in 4 countries across 5 domains to perform 19 HTTP transactions. The main IP is 2603:1020:203:3::, located in Amsterdam, Netherlands and belongs to MICROSOFT-CORP-MSN-AS-BLOCK, US. The main domain is esn.cvut.cz.
TLS certificate: Issued by E1 on April 18th 2024. Valid for: 3 months.
This is the only time esn.cvut.cz was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 172.67.139.175 13335 (CLOUDFLAR...)
1 13 2603:1020:203... 8075 (MICROSOFT...)
2 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
1 2001:4860:480... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
1 142.250.186.72 15169 (GOOGLE)
19 6
1    172.67.139.175 (United States)

ASN13335 (CLOUDFLARENET, US)
syuzd.irnrefnation.com
13    2603:1020:203:3:: (Amsterdam, Netherlands)

ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US)
isc.cvut.cz
esn.cvut.cz
2    2a00:1450:4001:82f::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
2    2a00:1450:4001:806::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google-analytics.com
1    2001:4860:4802:32::36 (United States)

ASN15169 (GOOGLE, US)
region1.google-analytics.com
1    2a00:1450:400c:c00::9b (Brussels, Belgium)

ASN15169 (GOOGLE, US)
stats.g.doubleclick.net
1    142.250.186.72 (United States)

ASN15169 (GOOGLE, US)
PTR: fra24s05-in-f8.1e100.net
www.googletagmanager.com
Apex Domain
Subdomains		 Transfer
13 cvut.cz
isc.cvut.cz
esn.cvut.cz
611 KB
3 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 32
region1.google-analytics.com — Cisco Umbrella Rank: 2533
21 KB
3 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 39
287 KB
1 doubleclick.net
stats.g.doubleclick.net — Cisco Umbrella Rank: 89
343 B
1 irnrefnation.com
syuzd.irnrefnation.com
468 B
19 5
Domain Requested by
12 esn.cvut.cz esn.cvut.cz
3 www.googletagmanager.com esn.cvut.cz
www.googletagmanager.com
www.google-analytics.com
2 www.google-analytics.com www.googletagmanager.com
www.google-analytics.com
1 stats.g.doubleclick.net www.google-analytics.com
1 region1.google-analytics.com www.googletagmanager.com
1 isc.cvut.cz 1 redirects
1 syuzd.irnrefnation.com 1 redirects
19 7

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

Domain
www.esn.org
www.cvut.cz
Subject Issuer Validity Valid
esn.cvut.cz
E1		 2024-04-18 -
2024-07-17		 3 months crt.sh
*.google-analytics.com
WR2		 2024-05-06 -
2024-07-29		 3 months crt.sh
*.g.doubleclick.net
GTS CA 1C3		 2024-04-16 -
2024-07-09		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://esn.cvut.cz/
Frame ID: FE3240373E3B76FCD940AE395ABA44AE
Requests: 19 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Erasmus Student Network CTU in Prague

Page URL History Show full URLs

  1. https://syuzd.irnrefnation.com/ HTTP 301
    https://isc.cvut.cz/ HTTP 301
    https://esn.cvut.cz/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • google-analytics\.com/(?:ga|urchin|analytics)\.js
Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/ns\.html[^>]+></iframe>
  • googletagmanager\.com/gtm\.js
  • googletagmanager\.com/gtag/js

Page Statistics

19
Requests

100 %
HTTPS

71 %
IPv6

5
Domains

7
Subdomains

6
IPs

4
Countries

919 kB
Transfer

1913 kB
Size

7
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. https://syuzd.irnrefnation.com/ HTTP 301
    https://isc.cvut.cz/ HTTP 301
    https://esn.cvut.cz/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

19 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
esn.cvut.cz/
Redirect Chain
  • https://syuzd.irnrefnation.com/
  • https://isc.cvut.cz/
  • https://esn.cvut.cz/
6 KB
3 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://esn.cvut.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2603:1020:203:3:: Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
9273b3be401e4de4930ea4614c2ccec0c4615044e0fc859e21c777899059f8fc
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

cache-control
no-cache, private
content-encoding
gzip
content-security-policy
upgrade-insecure-requests
content-type
text/html; charset=UTF-8
date
Tue, 14 May 2024 15:50:33 GMT
server
nginx/1.18.0 (Ubuntu)
strict-transport-security
max-age=31536000
vary
Accept-Encoding
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN
x-xss-protection
1; mode=block

Redirect headers

content-length
178
content-security-policy
upgrade-insecure-requests
content-type
text/html
date
Tue, 14 May 2024 15:50:33 GMT
location
https://esn.cvut.cz/
server
nginx/1.18.0 (Ubuntu)
strict-transport-security
max-age=31536000
vendor.css
esn.cvut.cz/css/ 		247 KB
59 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://esn.cvut.cz/css/vendor.css?id=0d799ced27e0c1c3a1fd413cdb686709
Requested by
Host: esn.cvut.cz
URL: https://esn.cvut.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2603:1020:203:3:: Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
1bc25dc500336e414b6ce5dd75c6d1fa314ea6c67ea4fa147d5847f2fa0da330
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://esn.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 14 May 2024 15:50:33 GMT
strict-transport-security
max-age=31536000
x-content-type-options
nosniff
content-security-policy
upgrade-insecure-requests
last-modified
Fri, 29 Mar 2024 18:17:33 GMT
server
nginx/1.18.0 (Ubuntu)
content-encoding
gzip
etag
W/"660705bd-3dd5e"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
text/css
x-xss-protection
1; mode=block
web.css
esn.cvut.cz/css/ 		13 KB
4 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://esn.cvut.cz/css/web.css?id=71260f98bf3816369d8d7cf11ad8b16e
Requested by
Host: esn.cvut.cz
URL: https://esn.cvut.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2603:1020:203:3:: Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
34d6409648e5d3007ccb71d2b5f7ef5024ba708c1562b98ad8d6bd502cd659d9
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://esn.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 14 May 2024 15:50:33 GMT
strict-transport-security
max-age=31536000
x-content-type-options
nosniff
content-security-policy
upgrade-insecure-requests
last-modified
Fri, 29 Mar 2024 18:17:33 GMT
server
nginx/1.18.0 (Ubuntu)
content-encoding
gzip
etag
W/"660705bd-342e"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
text/css
x-xss-protection
1; mode=block
esn-ctu-logo-white.svg
esn.cvut.cz/img/logos/ 		13 KB
5 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://esn.cvut.cz/img/logos/esn-ctu-logo-white.svg
Requested by
Host: esn.cvut.cz
URL: https://esn.cvut.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2603:1020:203:3:: Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
419bfb55c25b4eb375f8f530434cd85f3440d3c4c81fbca9ce3b7dd55ea6c459
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://esn.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 14 May 2024 15:50:33 GMT
strict-transport-security
max-age=31536000
x-content-type-options
nosniff
content-security-policy
upgrade-insecure-requests
last-modified
Fri, 29 Mar 2024 18:16:20 GMT
server
nginx/1.18.0 (Ubuntu)
content-encoding
gzip
etag
W/"66070574-3467"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
image/svg+xml
x-xss-protection
1; mode=block
flag-gbr.svg
esn.cvut.cz/img/flags/ 		556 B
583 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://esn.cvut.cz/img/flags/flag-gbr.svg
Requested by
Host: esn.cvut.cz
URL: https://esn.cvut.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2603:1020:203:3:: Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
c76156496961137aaa6cec2097abd0a09a507fef1f6e9c01609a87f3d71fd5c3
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://esn.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 14 May 2024 15:50:33 GMT
strict-transport-security
max-age=31536000
x-content-type-options
nosniff
content-security-policy
upgrade-insecure-requests
last-modified
Fri, 29 Mar 2024 18:16:20 GMT
server
nginx/1.18.0 (Ubuntu)
content-encoding
gzip
etag
W/"66070574-22c"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
image/svg+xml
x-xss-protection
1; mode=block
flag-cze.svg
esn.cvut.cz/img/flags/ 		279 B
493 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://esn.cvut.cz/img/flags/flag-cze.svg
Requested by
Host: esn.cvut.cz
URL: https://esn.cvut.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2603:1020:203:3:: Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
32141be00a3a768ec04b1d015ece4334fb3c46ad5287718459a9da2f237d4096
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://esn.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 14 May 2024 15:50:33 GMT
strict-transport-security
max-age=31536000
x-content-type-options
nosniff
content-security-policy
upgrade-insecure-requests
last-modified
Fri, 29 Mar 2024 18:16:20 GMT
server
nginx/1.18.0 (Ubuntu)
content-encoding
gzip
etag
W/"66070574-117"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
image/svg+xml
x-xss-protection
1; mode=block
esn-logo-white.svg
esn.cvut.cz/img/logos/esn/ 		13 KB
6 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://esn.cvut.cz/img/logos/esn/esn-logo-white.svg
Requested by
Host: esn.cvut.cz
URL: https://esn.cvut.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2603:1020:203:3:: Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
d3e9af34c3e943ced7b3110381d507fdca401163e1a665cb946cc669e8fd533d
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://esn.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 14 May 2024 15:50:33 GMT
strict-transport-security
max-age=31536000
x-content-type-options
nosniff
content-security-policy
upgrade-insecure-requests
last-modified
Fri, 29 Mar 2024 18:16:20 GMT
server
nginx/1.18.0 (Ubuntu)
content-encoding
gzip
etag
W/"66070574-349b"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
image/svg+xml
x-xss-protection
1; mode=block
logo_CVUT_negativ.svg
esn.cvut.cz/img/logos/cvut/ 		19 KB
8 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://esn.cvut.cz/img/logos/cvut/logo_CVUT_negativ.svg
Requested by
Host: esn.cvut.cz
URL: https://esn.cvut.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2603:1020:203:3:: Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
b29352ba4761a1ff56a62d32b82faab4cc666b412f29f5d15aa1bc3002b4077a
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://esn.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 14 May 2024 15:50:33 GMT
strict-transport-security
max-age=31536000
x-content-type-options
nosniff
content-security-policy
upgrade-insecure-requests
last-modified
Fri, 29 Mar 2024 18:16:20 GMT
server
nginx/1.18.0 (Ubuntu)
content-encoding
gzip
etag
W/"66070574-4a3f"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
image/svg+xml
x-xss-protection
1; mode=block
isc-logo-watermark-color.svg
esn.cvut.cz/img/logos/ 		5 KB
3 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://esn.cvut.cz/img/logos/isc-logo-watermark-color.svg
Requested by
Host: esn.cvut.cz
URL: https://esn.cvut.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2603:1020:203:3:: Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
6db758cc8ac2d83c6c1a6ad830c4b08f3b823455b2b0c374cee56957676199e2
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://esn.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 14 May 2024 15:50:33 GMT
strict-transport-security
max-age=31536000
x-content-type-options
nosniff
content-security-policy
upgrade-insecure-requests
last-modified
Fri, 29 Mar 2024 18:16:20 GMT
server
nginx/1.18.0 (Ubuntu)
content-encoding
gzip
etag
W/"66070574-150a"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
image/svg+xml
x-xss-protection
1; mode=block
web.js
esn.cvut.cz/js/ 		244 KB
91 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://esn.cvut.cz/js/web.js?id=94c6d36b4c1d2019dd69b2807506396d
Requested by
Host: esn.cvut.cz
URL: https://esn.cvut.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2603:1020:203:3:: Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
31378f0e3b4ef2b7f54cf1cddb677d6526b60eb370782af65cc563c85f81c73a
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://esn.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 14 May 2024 15:50:33 GMT
strict-transport-security
max-age=31536000
x-content-type-options
nosniff
content-security-policy
upgrade-insecure-requests
last-modified
Fri, 29 Mar 2024 18:17:33 GMT
server
nginx/1.18.0 (Ubuntu)
content-encoding
gzip
etag
W/"660705bd-3ce32"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
application/javascript
x-xss-protection
1; mode=block
gtm.js
www.googletagmanager.com/ 		218 KB
78 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtm.js?id=GTM-MPBKF8
Requested by
Host: esn.cvut.cz
URL: https://esn.cvut.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
1ba154a3abb5ba8c090277f39013af891a1665cc8c899fe8e853150c186d227e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://esn.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 14 May 2024 15:50:33 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
79746
x-xss-protection
0
last-modified
Tue, 14 May 2024 15:00:00 GMT
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
access-control-allow-headers
Cache-Control
expires
Tue, 14 May 2024 15:50:33 GMT
background.jpg
esn.cvut.cz/img/web/ 		426 KB
427 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://esn.cvut.cz/img/web/background.jpg
Requested by
Host: esn.cvut.cz
URL: https://esn.cvut.cz/css/web.css?id=71260f98bf3816369d8d7cf11ad8b16e
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2603:1020:203:3:: Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
07e86cfdd8705a036a8590f2c4e067a74b7af56834105c1c121ed13beba3eb8c
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://esn.cvut.cz/css/web.css?id=71260f98bf3816369d8d7cf11ad8b16e
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 14 May 2024 15:50:33 GMT
strict-transport-security
max-age=31536000
x-content-type-options
nosniff
content-security-policy
upgrade-insecure-requests
last-modified
Fri, 29 Mar 2024 18:16:20 GMT
server
nginx/1.18.0 (Ubuntu)
etag
"66070574-6a8e4"
x-frame-options
SAMEORIGIN
content-type
image/jpeg
accept-ranges
bytes
content-length
436452
x-xss-protection
1; mode=block
js
www.googletagmanager.com/gtag/ 		315 KB
103 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtag/js?id=G-JCYDZQW9CN&l=dataLayer&cx=c
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-MPBKF8
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
16cb3d856ec28cf209baca7c1fcb2b47353af6b4cb5e3cdadb1afade3f91a7f8
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://esn.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 14 May 2024 15:50:33 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
access-control-allow-headers
Cache-Control
content-length
105717
x-xss-protection
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires
Tue, 14 May 2024 15:50:33 GMT
analytics.js
www.google-analytics.com/ 		52 KB
21 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-MPBKF8
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:806::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
de36e50194320a7d3ef1ace9bd34a875a8bd458b253c061979dd628e9bf49afd
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://esn.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
date
Tue, 14 May 2024 15:41:03 GMT
last-modified
Tue, 12 Dec 2023 18:09:08 GMT
server
Golfe2
age
570
vary
Accept-Encoding
content-type
text/javascript
cache-control
public, max-age=7200
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
20994
expires
Tue, 14 May 2024 17:41:03 GMT
collect
region1.google-analytics.com/g/ 		0
251 B 		Ping
General
Check archive.org
Download Go to
Full URL
https://region1.google-analytics.com/g/collect?v=2&tid=G-JCYDZQW9CN&gtm=45je45d0v9125753606z86683897za200&_p=1715701833496&gcd=13l3l3l2l1&npa=1&dma_cps=sypham&dma=1&cid=1385180524.1715701834&ul=de-de&sr=1600x1200&ir=1&uaa=x86&uab=64&uafvl=Chromium%3B124.0.6367.201%7CGoogle%2520Chrome%3B124.0.6367.201%7CNot-A.Brand%3B99.0.0.0&uamb=0&uam=&uap=Win32&uapv=10.0.0&uaw=0&frm=0&pscdl=noapi&_eu=EA&_s=1&sid=1715701833&sct=1&seg=0&dl=https%3A%2F%2Fesn.cvut.cz%2F&dt=Erasmus%20Student%20Network%20CTU%20in%20Prague&en=page_view&_fv=1&_nsi=1&_ss=1&tfd=1888
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-JCYDZQW9CN&l=dataLayer&cx=c
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:32::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://esn.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

pragma
no-cache
date
Tue, 14 May 2024 15:50:34 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://esn.cvut.cz
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
collect
www.google-analytics.com/j/ 		15 B
218 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/j/collect?v=1&_v=j101&a=1618905266&t=pageview&_s=1&dl=https%3A%2F%2Fesn.cvut.cz%2F&ul=de-de&de=UTF-8&dt=Erasmus%20Student%20Network%20CTU%20in%20Prague&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=YCDAgAABAAAAAC~&jid=1741294604&gjid=8465698&cid=1385180524.1715701834&tid=UA-46964127-1&_gid=1676966380.1715701834&_slc=1&gtm=45He45d0n71MPBKF8v6683897za200&gcd=13l3l3l2l1&dma_cps=sypham&dma=1&npa=1&z=1118702639
Requested by
Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:806::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
d35814738a0573c635308e128f3f4649f152bfcbdfebb5fc6cb8b2f56890d5dc
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-platform
"Win32"
Referer
https://esn.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
date
Tue, 14 May 2024 15:50:33 GMT
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://esn.cvut.cz
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
15
expires
Fri, 01 Jan 1990 00:00:00 GMT
collect
stats.g.doubleclick.net/j/ 		1 B
343 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://stats.g.doubleclick.net/j/collect?t=dc&aip=1&_r=3&v=1&_v=j101&tid=UA-46964127-1&cid=1385180524.1715701834&jid=1741294604&gjid=8465698&_gid=1676966380.1715701834&npa=1&_u=YCDAgAABAAAAAG~&z=406069759
Requested by
Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400c:c00::9b Brussels, Belgium, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-platform
"Win32"
Referer
https://esn.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
strict-transport-security
max-age=10886400; includeSubDomains; preload
date
Tue, 14 May 2024 15:50:34 GMT
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://esn.cvut.cz
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
1
expires
Fri, 01 Jan 1990 00:00:00 GMT
favicon.ico
esn.cvut.cz/img/ 		22 KB
4 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://esn.cvut.cz/img/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2603:1020:203:3:: Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
994d41122c52fcb1a74bdbbce0882d819504e4f4a37e722d269774c89b732ed8
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://esn.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 14 May 2024 15:50:33 GMT
strict-transport-security
max-age=31536000
x-content-type-options
nosniff
content-security-policy
upgrade-insecure-requests
last-modified
Fri, 29 Mar 2024 18:16:20 GMT
server
nginx/1.18.0 (Ubuntu)
content-encoding
gzip
etag
W/"66070574-576e"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
image/x-icon
x-xss-protection
1; mode=block
js
www.googletagmanager.com/gtag/ 		319 KB
105 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtag/js?id=G-JCYDZQW9CN&cx=c&_slc=1
Requested by
Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.250.186.72 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
fra24s05-in-f8.1e100.net
Software
Google Tag Manager /
Resource Hash
d6e8b15cfba5037bd3e38e4de867a6ea8715a12c96bb72f1e8f7d62c9c7418cb
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://esn.cvut.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 14 May 2024 15:50:34 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
access-control-allow-headers
Cache-Control
content-length
107448
x-xss-protection
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires
Tue, 14 May 2024 15:50:34 GMT

Verdicts & Comments Add Verdict or Comment

11 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| dataLayer object| webpackChunk function| jQuery object| google_tag_manager object| google_tag_data string| GoogleAnalyticsObject function| ga function| onYouTubeIframeAPIReady object| gaGlobal object| gaplugins object| gaData

7 Cookies

Domain/Path Name / Value
esn.cvut.cz/ Name: XSRF-TOKEN
Value: eyJpdiI6IkF3QUZiOUtEeDRxa2dJdTlDb0pIWWc9PSIsInZhbHVlIjoiSytKWmNNRFI3bktzWUxiK1BvK1hXTjlxODJDZU81Ym9JaHloR1RtcW51cGJoaTZqZ3h1c25rQUp3MHNOSW1lMTVja3FDTEFGYWFSSmhtRVhKZm5Nang0ZFRHVHVOckdRNjBFUUN3Z3J5blcwSUFnYjhwSkpIOU1QU2VldGJHckkiLCJtYWMiOiI1MjU1MWVlMmYxYTg3NDU5OGQ2MDRkNWNmZDAzZDZhZTFkNDBmNDk5ZTZkNmU1YjE1YTMxY2U2NmRjMDVjY2VjIiwidGFnIjoiIn0%3D
esn.cvut.cz/ Name: esn_ctu_in_prague_session
Value: eyJpdiI6IkQrVEZ6dGRselhZUDhObXovOXVJTEE9PSIsInZhbHVlIjoiaWJ6NFFqMFJ2WFBPVzFSRmJJdDBaaitCMjBmcEp4ZmVJTklLa2g1N1ZoWnRkQi9MVi8zZG9lTGRSdlNOUHg1eXRHakVISDBoVXE1Rm1DcXVyNzZRVEFoMzl0NVF3akFROGFqSlBMNTh1SXpCTzcvWHdKdDE4OWNUVksveXFmWmsiLCJtYWMiOiJhYmFhOGRiZDFiYTg5MjczY2Y2ZTc3OTI5NjI4ZDU5NzBmNDY1ZWMyOTVlNTc0ZThjZjExZGY4ZDNiN2EyOWQxIiwidGFnIjoiIn0%3D
.cvut.cz/ Name: _ga
Value: GA1.1.1385180524.1715701834
.cvut.cz/ Name: _ga_JCYDZQW9CN
Value: GS1.1.1715701833.1.0.1715701833.0.0.0
.esn.cvut.cz/ Name: _ga
Value: GA1.3.1385180524.1715701834
.esn.cvut.cz/ Name: _gid
Value: GA1.3.1676966380.1715701834
.esn.cvut.cz/ Name: _dc_gtm_UA-46964127-1
Value: 1

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
Content-Security-Policy upgrade-insecure-requests
Strict-Transport-Security max-age=31536000
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.

esn.cvut.cz
isc.cvut.cz
region1.google-analytics.com
stats.g.doubleclick.net
syuzd.irnrefnation.com
www.google-analytics.com
www.googletagmanager.com
142.250.186.72
172.67.139.175
2001:4860:4802:32::36
2603:1020:203:3::
2a00:1450:4001:806::200e
2a00:1450:4001:82f::2008
2a00:1450:400c:c00::9b
07e86cfdd8705a036a8590f2c4e067a74b7af56834105c1c121ed13beba3eb8c
16cb3d856ec28cf209baca7c1fcb2b47353af6b4cb5e3cdadb1afade3f91a7f8
1ba154a3abb5ba8c090277f39013af891a1665cc8c899fe8e853150c186d227e
1bc25dc500336e414b6ce5dd75c6d1fa314ea6c67ea4fa147d5847f2fa0da330
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