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ca.cs.ou.nl Open in urlscan Pro
20.8.155.225  Public Scan

Go To Rescan Add Verdict Report
URL: https://ca.cs.ou.nl/
Submission: On February 21 via api from US — Scanned from US
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 6 IPs in 2 countries across 6 domains to perform 22 HTTP transactions. The main IP is 20.8.155.225, located in Amsterdam, Netherlands and belongs to MICROSOFT-CORP-MSN-AS-BLOCK, US. The main domain is ca.cs.ou.nl.
TLS certificate: Issued by R3 on December 1st 2023. Valid for: 3 months.
This is the only time ca.cs.ou.nl was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
16 20.8.155.225 8075 (MICROSOFT...)
1 2607:f8b0:400... 15169 (GOOGLE)
1 2607:f8b0:400... 15169 (GOOGLE)
1 2607:f8b0:400... 15169 (GOOGLE)
2 2607:f8b0:400... 15169 (GOOGLE)
1 2607:f8b0:400... 15169 (GOOGLE)
22 6
16    20.8.155.225 (Amsterdam, Netherlands)

ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US)
ca.cs.ou.nl
1    2607:f8b0:4006:817::200a (United States)

ASN15169 (GOOGLE, US)
fonts.googleapis.com
1    2607:f8b0:4006:80b::2008 (United States)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
1    2607:f8b0:4006:81f::2003 (United States)

ASN15169 (GOOGLE, US)
fonts.gstatic.com
2    2607:f8b0:4006:80b::200e (United States)

ASN15169 (GOOGLE, US)
www.google-analytics.com
1    2607:f8b0:4004:c07::9d (Washington, United States)

ASN15169 (GOOGLE, US)
stats.g.doubleclick.net
Apex Domain
Subdomains		 Transfer
16 ou.nl
ca.cs.ou.nl
625 KB
2 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 45
21 KB
1 doubleclick.net
stats.g.doubleclick.net — Cisco Umbrella Rank: 113
343 B
1 gstatic.com
fonts.gstatic.com
22 KB
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 52
66 KB
1 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 48
1 KB
22 6
Domain Requested by
16 ca.cs.ou.nl ca.cs.ou.nl
2 www.google-analytics.com www.googletagmanager.com
www.google-analytics.com
1 stats.g.doubleclick.net www.google-analytics.com
1 fonts.gstatic.com fonts.googleapis.com
1 www.googletagmanager.com ca.cs.ou.nl
1 fonts.googleapis.com ca.cs.ou.nl
22 6
Subject Issuer Validity Valid
circuitverse.kap.pe
R3		 2023-12-01 -
2024-02-29		 3 months crt.sh
upload.video.google.com
GTS CA 1C3		 2024-01-29 -
2024-04-22		 3 months crt.sh
*.google-analytics.com
GTS CA 1C3		 2024-01-29 -
2024-04-22		 3 months crt.sh
*.gstatic.com
GTS CA 1C3		 2024-01-29 -
2024-04-22		 3 months crt.sh
*.g.doubleclick.net
GTS CA 1C3		 2024-01-29 -
2024-04-22		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://ca.cs.ou.nl/
Frame ID: CB9DFDFB033A86223668E716A433B511
Requests: 22 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

CircuitVerse - Online Digital Logic Circuit Simulator

Detected technologies

Overall confidence: 100%
Detected patterns
Overall confidence: 100%
Detected patterns
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
Overall confidence: 100%
Detected patterns
  • google-analytics\.com/(?:ga|urchin|analytics)\.js
Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com
Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtag/js

Page Statistics

22
Requests

27 %
HTTPS

83 %
IPv6

6
Domains

6
Subdomains

6
IPs

2
Countries

734 kB
Transfer

2560 kB
Size

6
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

22 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
ca.cs.ou.nl/ 		13 KB
14 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://ca.cs.ou.nl/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
20.8.155.225 Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.25.3 /
Resource Hash
df810f3a44d36bd7fe55bb2a5478135702dbee554ba22af6307d90be07f445c7
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 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36
accept-language
en-US,en;q=0.9

Response headers

Cache-Control
max-age=0, private, must-revalidate
Connection
keep-alive
Content-Length
13560
Content-Type
text/html; charset=utf-8
Date
Wed, 21 Feb 2024 16:42:50 GMT
ETag
W/"df810f3a44d36bd7fe55bb2a54781357"
Referrer-Policy
strict-origin-when-cross-origin
Server
nginx/1.25.3
X-Content-Type-Options
nosniff
X-Download-Options
noopen
X-Frame-Options
SAMEORIGIN
X-Permitted-Cross-Domain-Policies
none
X-Request-Id
76684739-3e42-4841-bc99-5b3fcbf6a915
X-Runtime
0.103165
X-XSS-Protection
1; mode=block
application-aba5947b429fb9291826b6c2fe3fb83b4ac6ae6e111924dff47ad7ade6aa7aaa.css
ca.cs.ou.nl/assets/ 		889 KB
84 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://ca.cs.ou.nl/assets/application-aba5947b429fb9291826b6c2fe3fb83b4ac6ae6e111924dff47ad7ade6aa7aaa.css
Requested by
Host: ca.cs.ou.nl
URL: https://ca.cs.ou.nl/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
20.8.155.225 Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.25.3 /
Resource Hash
642eba3544bcc90983f2597dec60ca69edd8a10f7f8da1df95941b026fc74709

Request headers

accept-language
en-US,en;q=0.9
Referer
https://ca.cs.ou.nl/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Wed, 21 Feb 2024 16:42:51 GMT
Content-Encoding
gzip
Last-Modified
Tue, 21 Nov 2023 09:35:02 GMT
Server
nginx/1.25.3
Vary
Accept-Encoding
Content-Type
text/css
Connection
keep-alive
Content-Length
85845
css2
fonts.googleapis.com/ 		2 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://fonts.googleapis.com/css2?family=Inter:wght@400&display=swap
Requested by
Host: ca.cs.ou.nl
URL: https://ca.cs.ou.nl/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2607:f8b0:4006:817::200a , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
134d30ed9c825909dd32af40d469aaafedfe1b17447abee0ed6c43c7254d2a48
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

accept-language
en-US,en;q=0.9
Referer
https://ca.cs.ou.nl/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
date
Wed, 21 Feb 2024 16:42:51 GMT
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
0
last-modified
Wed, 21 Feb 2024 16:09:32 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Wed, 21 Feb 2024 16:42:51 GMT
application_sprockets-f1a3a23b12526e9390a215493c3f2bd3d359a93e38bbce0532e50c764434abe0.js
ca.cs.ou.nl/assets/ 		709 KB
191 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://ca.cs.ou.nl/assets/application_sprockets-f1a3a23b12526e9390a215493c3f2bd3d359a93e38bbce0532e50c764434abe0.js
Requested by
Host: ca.cs.ou.nl
URL: https://ca.cs.ou.nl/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
20.8.155.225 Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.25.3 /
Resource Hash
3cf7f4d238f2cb508078b9c5386dcc813d3019baa7c6e20339c621543ff4d202

Request headers

accept-language
en-US,en;q=0.9
Referer
https://ca.cs.ou.nl/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Wed, 21 Feb 2024 16:42:51 GMT
Content-Encoding
gzip
Last-Modified
Tue, 20 Feb 2024 13:54:29 GMT
Server
nginx/1.25.3
Vary
Accept-Encoding
Content-Type
application/javascript
Connection
keep-alive
Content-Length
195637
application-6e0e0e6173dd7a176384c1b10f2dc77ed9602b302e3aa4481e30ea33c4232c6b.js
ca.cs.ou.nl/assets/ 		431 KB
84 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://ca.cs.ou.nl/assets/application-6e0e0e6173dd7a176384c1b10f2dc77ed9602b302e3aa4481e30ea33c4232c6b.js
Requested by
Host: ca.cs.ou.nl
URL: https://ca.cs.ou.nl/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
20.8.155.225 Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.25.3 /
Resource Hash
0f4ae1c7305cec233263bff2f1cf0d1cc0701485c44707b0073ada0319bb8dbd

Request headers

accept-language
en-US,en;q=0.9
Referer
https://ca.cs.ou.nl/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Wed, 21 Feb 2024 16:42:52 GMT
Content-Encoding
gzip
Last-Modified
Tue, 20 Feb 2024 13:54:29 GMT
Server
nginx/1.25.3
Vary
Accept-Encoding
Content-Type
application/javascript
Connection
keep-alive
Content-Length
85659
js
www.googletagmanager.com/gtag/ 		179 KB
66 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtag/js?id=UA-112678513-1
Requested by
Host: ca.cs.ou.nl
URL: https://ca.cs.ou.nl/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2607:f8b0:4006:80b::2008 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
f08f527048dd28c3f3de05ad25e122e081d899a0ac35edbe0509cdf1fef54cc1
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

accept-language
en-US,en;q=0.9
Referer
https://ca.cs.ou.nl/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date
Wed, 21 Feb 2024 16:42:52 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
66841
x-xss-protection
0
last-modified
Wed, 21 Feb 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
Wed, 21 Feb 2024 16:42:52 GMT
CircuitVerse-297814eab155eecd2a0619f4eeada1cf7d36d9925ff3e8a5c601f826efb151bc.svg
ca.cs.ou.nl/assets/ 		10 KB
10 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://ca.cs.ou.nl/assets/CircuitVerse-297814eab155eecd2a0619f4eeada1cf7d36d9925ff3e8a5c601f826efb151bc.svg
Requested by
Host: ca.cs.ou.nl
URL: https://ca.cs.ou.nl/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
20.8.155.225 Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.25.3 /
Resource Hash
594a52dae58e972c345306a3177e96ebb62ff935302b6364a83ebd8a017ab16d

Request headers

accept-language
en-US,en;q=0.9
Referer
https://ca.cs.ou.nl/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Wed, 21 Feb 2024 16:42:51 GMT
Last-Modified
Tue, 21 Nov 2023 09:35:02 GMT
Server
nginx/1.25.3
Connection
keep-alive
Content-Length
10452
Content-Type
image/svg+xml
new_homepage_sketch-a2757b29e864a947dbaff874c9fe659068e9c0eab4f3ccacc36ebdbc5ade6833.png
ca.cs.ou.nl/assets/homepage/ 		52 KB
52 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://ca.cs.ou.nl/assets/homepage/new_homepage_sketch-a2757b29e864a947dbaff874c9fe659068e9c0eab4f3ccacc36ebdbc5ade6833.png
Requested by
Host: ca.cs.ou.nl
URL: https://ca.cs.ou.nl/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
20.8.155.225 Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.25.3 /
Resource Hash
38351a3f9f00fe80165bbbb39f59712d555926ff736e085aca064e413006727b

Request headers

accept-language
en-US,en;q=0.9
Referer
https://ca.cs.ou.nl/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Wed, 21 Feb 2024 16:42:51 GMT
Last-Modified
Tue, 21 Nov 2023 09:35:02 GMT
Server
nginx/1.25.3
Connection
keep-alive
Content-Length
53563
Content-Type
image/png
CircuitVerse-d33d78d2502c8630f0568d0885e51a7e097cc68a05d59a42a4a09c57c9483bd3.png
ca.cs.ou.nl/assets/ 		49 KB
49 KB 		Image
General
Check archive.org
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Full URL
https://ca.cs.ou.nl/assets/CircuitVerse-d33d78d2502c8630f0568d0885e51a7e097cc68a05d59a42a4a09c57c9483bd3.png
Requested by
Host: ca.cs.ou.nl
URL: https://ca.cs.ou.nl/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
20.8.155.225 Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.25.3 /
Resource Hash
c968d111d011b5a9fbd1dfc11efc32634e0971d6e5e7bb97b1cffce5927d8cd0

Request headers

accept-language
en-US,en;q=0.9
Referer
https://ca.cs.ou.nl/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Wed, 21 Feb 2024 16:42:51 GMT
Last-Modified
Tue, 21 Nov 2023 09:35:02 GMT
Server
nginx/1.25.3
Connection
keep-alive
Content-Length
49833
Content-Type
image/png
facebook-logo-b24d1f234b62570b1e8e7cf1dfb67f7cee90ca8b2497a6c421b51eb98f077abf.png
ca.cs.ou.nl/assets/logos/ 		816 B
1010 B 		Image
General
Check archive.org
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Full URL
https://ca.cs.ou.nl/assets/logos/facebook-logo-b24d1f234b62570b1e8e7cf1dfb67f7cee90ca8b2497a6c421b51eb98f077abf.png
Requested by
Host: ca.cs.ou.nl
URL: https://ca.cs.ou.nl/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
20.8.155.225 Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.25.3 /
Resource Hash
e6191b27a110e41f3646e5fb83673431453fc63947cd3bb05f6f0e0de471f74f

Request headers

accept-language
en-US,en;q=0.9
Referer
https://ca.cs.ou.nl/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Wed, 21 Feb 2024 16:42:52 GMT
Last-Modified
Tue, 21 Nov 2023 09:35:02 GMT
Server
nginx/1.25.3
Connection
keep-alive
Content-Length
816
Content-Type
image/png
twitter-logo-43e3d1bd85cc0c72a7dbeaab46b899b33487026625e2446eba5307af91896706.png
ca.cs.ou.nl/assets/logos/ 		1 KB
1 KB 		Image
General
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Full URL
https://ca.cs.ou.nl/assets/logos/twitter-logo-43e3d1bd85cc0c72a7dbeaab46b899b33487026625e2446eba5307af91896706.png
Requested by
Host: ca.cs.ou.nl
URL: https://ca.cs.ou.nl/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
20.8.155.225 Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.25.3 /
Resource Hash
6d8237893f581b5ab6381678ca89f361e9dcfdff840ec4a6ba5f9a377f4dde2a

Request headers

accept-language
en-US,en;q=0.9
Referer
https://ca.cs.ou.nl/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Wed, 21 Feb 2024 16:42:52 GMT
Last-Modified
Tue, 21 Nov 2023 09:35:02 GMT
Server
nginx/1.25.3
Connection
keep-alive
Content-Length
1115
Content-Type
image/png
linkedin-logo-eb34c2d50f6e95505debefa2b6b862df34e8dcff94101898b781e617a74391e1.png
ca.cs.ou.nl/assets/logos/ 		28 KB
28 KB 		Image
General
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Full URL
https://ca.cs.ou.nl/assets/logos/linkedin-logo-eb34c2d50f6e95505debefa2b6b862df34e8dcff94101898b781e617a74391e1.png
Requested by
Host: ca.cs.ou.nl
URL: https://ca.cs.ou.nl/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
20.8.155.225 Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.25.3 /
Resource Hash
35eca4e4c9e115ac43b8c0ae91cbe2980416a3ce0c9ddb5a8aea374f1f8b3f5c

Request headers

accept-language
en-US,en;q=0.9
Referer
https://ca.cs.ou.nl/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Wed, 21 Feb 2024 16:42:52 GMT
Last-Modified
Tue, 21 Nov 2023 09:35:02 GMT
Server
nginx/1.25.3
Connection
keep-alive
Content-Length
28334
Content-Type
image/png
iiitb-2ce9dbbffa97af59b8724e18b1bb4b8213e5426d6039f947c9c5d73ec8cd899e.png
ca.cs.ou.nl/assets/footer/ 		12 KB
12 KB 		Image
General
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Full URL
https://ca.cs.ou.nl/assets/footer/iiitb-2ce9dbbffa97af59b8724e18b1bb4b8213e5426d6039f947c9c5d73ec8cd899e.png
Requested by
Host: ca.cs.ou.nl
URL: https://ca.cs.ou.nl/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
20.8.155.225 Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.25.3 /
Resource Hash
4444b041b1853593bfe41d862bfcd0b14572ed3d9baf73b7cd011bde0cc51c9d

Request headers

accept-language
en-US,en;q=0.9
Referer
https://ca.cs.ou.nl/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Wed, 21 Feb 2024 16:42:52 GMT
Last-Modified
Tue, 21 Nov 2023 09:35:02 GMT
Server
nginx/1.25.3
Connection
keep-alive
Content-Length
12601
Content-Type
image/png
Logo-AWS-80815fe2ae9b5352cf2baa9d941ddb1e7c827061f4b0b9770648b87a86bccf2f.jpg
ca.cs.ou.nl/assets/footer/ 		6 KB
6 KB 		Image
General
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Full URL
https://ca.cs.ou.nl/assets/footer/Logo-AWS-80815fe2ae9b5352cf2baa9d941ddb1e7c827061f4b0b9770648b87a86bccf2f.jpg
Requested by
Host: ca.cs.ou.nl
URL: https://ca.cs.ou.nl/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
20.8.155.225 Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.25.3 /
Resource Hash
fedb7d25ab060c9c472a5eb138e1c048ccc2fec4e89e0861404fa7cb0788f1a9

Request headers

accept-language
en-US,en;q=0.9
Referer
https://ca.cs.ou.nl/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Wed, 21 Feb 2024 16:42:52 GMT
Last-Modified
Tue, 21 Nov 2023 09:35:02 GMT
Server
nginx/1.25.3
Connection
keep-alive
Content-Length
5740
Content-Type
image/jpeg
istudio-6f4304a6a91788e9b36ba88d5b69807692b7eef8aea0cd1d730808cfb3e5ab5a.png
ca.cs.ou.nl/assets/footer/ 		7 KB
7 KB 		Image
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Full URL
https://ca.cs.ou.nl/assets/footer/istudio-6f4304a6a91788e9b36ba88d5b69807692b7eef8aea0cd1d730808cfb3e5ab5a.png
Requested by
Host: ca.cs.ou.nl
URL: https://ca.cs.ou.nl/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
20.8.155.225 Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.25.3 /
Resource Hash
18085343b49903a0f484d9bc8a9585db864e0ef9697173d459fa224563257c78

Request headers

accept-language
en-US,en;q=0.9
Referer
https://ca.cs.ou.nl/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Wed, 21 Feb 2024 16:42:52 GMT
Last-Modified
Tue, 21 Nov 2023 09:35:02 GMT
Server
nginx/1.25.3
Connection
keep-alive
Content-Length
6782
Content-Type
image/png
zense-ae272c9aba33d7bc7f4ad0dc8c0bac04dc5f614afe3c96e7ac157238f7ed9c74.png
ca.cs.ou.nl/assets/footer/ 		3 KB
3 KB 		Image
General
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Full URL
https://ca.cs.ou.nl/assets/footer/zense-ae272c9aba33d7bc7f4ad0dc8c0bac04dc5f614afe3c96e7ac157238f7ed9c74.png
Requested by
Host: ca.cs.ou.nl
URL: https://ca.cs.ou.nl/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
20.8.155.225 Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.25.3 /
Resource Hash
66ab02d6dada3523cc06641292564834028b4c27aeda37404c5a9076b2d62df5

Request headers

accept-language
en-US,en;q=0.9
Referer
https://ca.cs.ou.nl/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Wed, 21 Feb 2024 16:42:52 GMT
Last-Modified
Tue, 21 Nov 2023 09:35:02 GMT
Server
nginx/1.25.3
Connection
keep-alive
Content-Length
2778
Content-Type
image/png
select2-543f477e7216db04459670ed1c89589c8a5b0f5ebb04631c4197d9c737ddaa50.css
ca.cs.ou.nl/assets/ 		17 KB
2 KB 		Stylesheet
General
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Full URL
https://ca.cs.ou.nl/assets/select2-543f477e7216db04459670ed1c89589c8a5b0f5ebb04631c4197d9c737ddaa50.css
Requested by
Host: ca.cs.ou.nl
URL: https://ca.cs.ou.nl/assets/application-aba5947b429fb9291826b6c2fe3fb83b4ac6ae6e111924dff47ad7ade6aa7aaa.css
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
20.8.155.225 Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.25.3 /
Resource Hash
91a960439e4f7f2f580644fee3261877937c2286defa259e06eccfecb8d53b4a

Request headers

accept-language
en-US,en;q=0.9
Referer
https://ca.cs.ou.nl/assets/application-aba5947b429fb9291826b6c2fe3fb83b4ac6ae6e111924dff47ad7ade6aa7aaa.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Wed, 21 Feb 2024 16:42:51 GMT
Content-Encoding
gzip
Last-Modified
Tue, 21 Nov 2023 09:35:02 GMT
Server
nginx/1.25.3
Vary
Accept-Encoding
Content-Type
text/css
Connection
keep-alive
Content-Length
2232
fa-solid-900-f07a21eb1343ef6828048cbfa8ad282524391deedfd5e61680cc004a967915f3.woff2
ca.cs.ou.nl/assets/font-awesome/ 		78 KB
79 KB 		Font
General
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Full URL
https://ca.cs.ou.nl/assets/font-awesome/fa-solid-900-f07a21eb1343ef6828048cbfa8ad282524391deedfd5e61680cc004a967915f3.woff2
Requested by
Host: ca.cs.ou.nl
URL: https://ca.cs.ou.nl/assets/application-aba5947b429fb9291826b6c2fe3fb83b4ac6ae6e111924dff47ad7ade6aa7aaa.css
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
20.8.155.225 Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx/1.25.3 /
Resource Hash
0bf1b8d8ac1b4ef0caea0db8cbe1b6a35f8a84a2f5fffa2421936cc11a1a91fc

Request headers

Referer
https://ca.cs.ou.nl/assets/application-aba5947b429fb9291826b6c2fe3fb83b4ac6ae6e111924dff47ad7ade6aa7aaa.css
Origin
https://ca.cs.ou.nl
accept-language
en-US,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Wed, 21 Feb 2024 16:42:52 GMT
Last-Modified
Tue, 21 Nov 2023 09:35:02 GMT
Server
nginx/1.25.3
Connection
keep-alive
Content-Length
80328
Content-Type
application/font-woff2
UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfAZ9hiA.woff2
fonts.gstatic.com/s/inter/v13/ 		21 KB
22 KB 		Font
General
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https://fonts.gstatic.com/s/inter/v13/UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfAZ9hiA.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css2?family=Inter:wght@400&display=swap
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2607:f8b0:4006:81f::2003 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
2301bb030a2bcaa9c763cc4771bd717aac16709c29eaba00673fcbe7cdf99a59
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://fonts.googleapis.com/
Origin
https://ca.cs.ou.nl
accept-language
en-US,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date
Thu, 15 Feb 2024 11:26:45 GMT
x-content-type-options
nosniff
age
537367
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
21564
x-xss-protection
0
last-modified
Wed, 13 Sep 2023 23:49:07 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Fri, 14 Feb 2025 11:26:45 GMT
analytics.js
www.google-analytics.com/ 		52 KB
21 KB 		Script
General
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Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=UA-112678513-1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2607:f8b0:4006:80b::200e , United States, 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

accept-language
en-US,en;q=0.9
Referer
https://ca.cs.ou.nl/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
date
Wed, 21 Feb 2024 16:06:43 GMT
last-modified
Tue, 12 Dec 2023 18:09:08 GMT
server
Golfe2
age
2169
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
Wed, 21 Feb 2024 18:06:43 GMT
collect
www.google-analytics.com/j/ 		2 B
204 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/j/collect?v=1&_v=j101&a=510037859&t=pageview&_s=1&dl=https%3A%2F%2Fca.cs.ou.nl%2F&ul=en-us&de=UTF-8&dt=CircuitVerse%20-%20Online%20Digital%20Logic%20Circuit%20Simulator&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=YEBAAUABAAAAACAAI~&jid=334823784&gjid=42771230&cid=361508153.1708533773&tid=UA-112678513-1&_gid=983368973.1708533773&_r=1&gtm=457e42h0za200&gcd=13l3l3l3l1&dma=0&jsscut=1&z=606755875
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
2607:f8b0:4006:80b::200e , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
de3246094525b21a870fc7d2a67490d0132535c6fa5993755c549f1a9d1bd8af
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://ca.cs.ou.nl/
accept-language
en-US,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
date
Wed, 21 Feb 2024 16:42:52 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://ca.cs.ou.nl
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
2
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-112678513-1&cid=361508153.1708533773&jid=334823784&gjid=42771230&_gid=983368973.1708533773&_u=YEBAAUAAAAAAACAAI~&z=254627133
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
2607:f8b0:4004:c07::9d Washington, United States, 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

Referer
https://ca.cs.ou.nl/
accept-language
en-US,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
strict-transport-security
max-age=10886400; includeSubDomains; preload
date
Wed, 21 Feb 2024 16:42:53 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://ca.cs.ou.nl
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

Verdicts & Comments Add Verdict or Comment

39 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.

function| handleMainCheckbox function| restrictionsMap function| htmlRowName function| htmlInlineCheckbox function| generateRow function| loadHtml function| loadRestrictions function| formatDate function| getTimeZoneName function| convertSecondsToReadableString function| subscribe function| subscribeOrTest function| testWebPush function| checkPermissions object| e function| t object| ActionCable object| App function| $ function| jQuery object| Rails boolean| _rails_loaded undefined| _ object| Commontator function| autoComplete function| DOMPurify object| bootstrap object| jQuery112409669345227916177 function| gtag object| dataLayer function| activeSearchBar object| Stimulus object| google_tag_manager object| google_tag_data string| GoogleAnalyticsObject function| ga object| gaplugins object| gaGlobal object| gaData

6 Cookies

Domain/Path Name / Value
ca.cs.ou.nl/ Name: ahoy_visitor
Value: 523bfabb-b086-4413-ac67-94907e02dc34
ca.cs.ou.nl/ Name: ahoy_visit
Value: be7bedf2-b979-43f1-9031-11db7aa74ee8
ca.cs.ou.nl/ Name: _logix_session
Value: 0TgCw33z2NbvqzBRkQPn%2BWDVBeFSgEn5s75D7I%2FVksDC02iZKW6XdNCx0e1A7kyq2adi1NRMw9KViWpiZkOFT2Tx6lidW6%2Bofn30rz81Kf9K4Lri1gNt7fxZ08Dt4rd7C7IqUt%2B92%2B%2BJiH8pW7%2BeNUBqkPPALcvY22aFPxT9NhAUuDBedNlZx7djcw%2B4dA9oNLi08F1Elru%2FQIQMLfaUYEhpBkpsX2kjDpFeJ2Cqg5Dh9IIBVJveslgOvaQLxU%2BrUVQc7NdvBP0mTP7%2FDmMpLRFqMVOcLx0Ay81Zr5WR2ePOPm5oRMfAG55tCKiGr9YVuRE%3D--MaLdTZgwFX8MvAhG--dtZoepCc0aVImYpRcXb1ug%3D%3D
.ou.nl/ Name: _ga
Value: GA1.2.361508153.1708533773
.ou.nl/ Name: _gid
Value: GA1.2.983368973.1708533773
.ou.nl/ Name: _gat_gtag_UA_112678513_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
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.

ca.cs.ou.nl
fonts.googleapis.com
fonts.gstatic.com
stats.g.doubleclick.net
www.google-analytics.com
www.googletagmanager.com
20.8.155.225
2607:f8b0:4004:c07::9d
2607:f8b0:4006:80b::2008
2607:f8b0:4006:80b::200e
2607:f8b0:4006:817::200a
2607:f8b0:4006:81f::2003
0bf1b8d8ac1b4ef0caea0db8cbe1b6a35f8a84a2f5fffa2421936cc11a1a91fc
0f4ae1c7305cec233263bff2f1cf0d1cc0701485c44707b0073ada0319bb8dbd
134d30ed9c825909dd32af40d469aaafedfe1b17447abee0ed6c43c7254d2a48
18085343b49903a0f484d9bc8a9585db864e0ef9697173d459fa224563257c78
2301bb030a2bcaa9c763cc4771bd717aac16709c29eaba00673fcbe7cdf99a59
35eca4e4c9e115ac43b8c0ae91cbe2980416a3ce0c9ddb5a8aea374f1f8b3f5c
38351a3f9f00fe80165bbbb39f59712d555926ff736e085aca064e413006727b
3cf7f4d238f2cb508078b9c5386dcc813d3019baa7c6e20339c621543ff4d202
4444b041b1853593bfe41d862bfcd0b14572ed3d9baf73b7cd011bde0cc51c9d
594a52dae58e972c345306a3177e96ebb62ff935302b6364a83ebd8a017ab16d
642eba3544bcc90983f2597dec60ca69edd8a10f7f8da1df95941b026fc74709
66ab02d6dada3523cc06641292564834028b4c27aeda37404c5a9076b2d62df5
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
6d8237893f581b5ab6381678ca89f361e9dcfdff840ec4a6ba5f9a377f4dde2a
91a960439e4f7f2f580644fee3261877937c2286defa259e06eccfecb8d53b4a
c968d111d011b5a9fbd1dfc11efc32634e0971d6e5e7bb97b1cffce5927d8cd0
de3246094525b21a870fc7d2a67490d0132535c6fa5993755c549f1a9d1bd8af
de36e50194320a7d3ef1ace9bd34a875a8bd458b253c061979dd628e9bf49afd
df810f3a44d36bd7fe55bb2a5478135702dbee554ba22af6307d90be07f445c7
e6191b27a110e41f3646e5fb83673431453fc63947cd3bb05f6f0e0de471f74f
f08f527048dd28c3f3de05ad25e122e081d899a0ac35edbe0509cdf1fef54cc1
fedb7d25ab060c9c472a5eb138e1c048ccc2fec4e89e0861404fa7cb0788f1a9