Submitted URL: http://cs50.ai/
Effective URL: https://cs50.ai/
Submission: On June 29 via api from US — Scanned from DE

Summary

This website contacted 4 IPs in 1 countries across 3 domains to perform 13 HTTP transactions. The main IP is 34.194.126.88, located in Ashburn, United States and belongs to AMAZON-AES, US. The main domain is cs50.ai.
TLS certificate: Issued by Amazon RSA 2048 M03 on April 24th 2024. Valid for: a year.
This is the only time cs50.ai was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
10 34.194.126.88 14618 (AMAZON-AES)
1 108.138.7.61 16509 (AMAZON-02)
1 2600:1901:0:4... 15169 (GOOGLE)
1 108.138.7.16 16509 (AMAZON-02)
13 4
Apex Domain
Subdomains
Transfer
10 cs50.ai
cs50.ai
1 MB
2 statuspage.io
cs50.statuspage.io
g9mp5m2251ps.statuspage.io — Cisco Umbrella Rank: 545652
1 KB
1 mxpnl.com
cdn.mxpnl.com — Cisco Umbrella Rank: 6280
19 KB
13 3
Domain Requested by
10 cs50.ai cs50.ai
1 g9mp5m2251ps.statuspage.io cs50.statuspage.io
1 cdn.mxpnl.com cs50.ai
1 cs50.statuspage.io cs50.ai
13 4

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

Domain
openai.com
www.microsoft.com
Subject Issuer Validity Valid
cs50.ai
Amazon RSA 2048 M03
2024-04-24 -
2025-05-23
a year crt.sh
*.statuspage.io
Amazon RSA 2048 M03
2023-10-18 -
2024-11-16
a year crt.sh
*.mxpnl.com
GeoTrust TLS RSA CA G1
2023-07-12 -
2024-08-11
a year crt.sh

This page contains 2 frames:

Primary Page: https://cs50.ai/
Frame ID: BFFB715371542A765B9ADC9C15597EAC
Requests: 12 HTTP requests in this frame

Frame: https://g9mp5m2251ps.statuspage.io/embed/frame
Frame ID: E37CBC312140D9504D8FD0C188218284
Requests: 1 HTTP requests in this frame

Screenshot

Page Title

CS50.ai

Page URL History Show full URLs

  1. http://cs50.ai/ HTTP 307
    https://cs50.ai/ Page URL

Page Statistics

13
Requests

100 %
HTTPS

25 %
IPv6

3
Domains

4
Subdomains

4
IPs

1
Countries

1461 kB
Transfer

3515 kB
Size

3
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. http://cs50.ai/ HTTP 307
    https://cs50.ai/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

13 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
cs50.ai/
Redirect Chain
  • http://cs50.ai/
  • https://cs50.ai/
7 KB
3 KB
Document
General
Full URL
https://cs50.ai/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.194.126.88 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-194-126-88.compute-1.amazonaws.com
Software
nginx/1.24.0 /
Resource Hash
0d8a64be863155743b697a38625ccd14867859a4619a2bbaa68ac2120c50d614
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self'
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

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/126.0.0.0 Safari/537.36

Response headers

cache-control
no-cache, no-store, must-revalidate
content-encoding
gzip
content-security-policy
frame-ancestors 'self'
content-type
text/html; charset=utf-8
date
Sat, 29 Jun 2024 17:58:41 GMT
expires
0
permissions-policy
camera=(self), geolocation=(self), microphone=(self)
pragma
no-cache
referrer-policy
strict-origin
server
nginx/1.24.0
status
200 OK
strict-transport-security
max-age=31536000; includeSubDomains
vary
Cookie
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN
x-xss-protection
0

Redirect headers

Location
https://cs50.ai/
Non-Authoritative-Reason
HttpsUpgrades
main.css
cs50.ai/static/dist/
322 KB
60 KB
Stylesheet
General
Full URL
https://cs50.ai/static/dist/main.css?
Requested by
Host: cs50.ai
URL: https://cs50.ai/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.194.126.88 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-194-126-88.compute-1.amazonaws.com
Software
nginx/1.24.0 /
Resource Hash
6f7a33785d744ac4a82fddf0607080e4c4b1e33103ecae93f5d773475312d338
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self'
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://cs50.ai/
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 29 Jun 2024 17:58:41 GMT
strict-transport-security
max-age=31536000; includeSubDomains
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
content-encoding
gzip
status
200 OK
content-disposition
inline; filename=main.css
x-xss-protection
0
pragma
no-cache
referrer-policy
strict-origin
last-modified
Mon, 17 Jun 2024 18:10:59 GMT
server
nginx/1.24.0
etag
W/"1718647859.0-329774-2730363634"
vary
Cookie
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
cache-control
no-cache, no-store, must-revalidate
permissions-policy
camera=(self), geolocation=(self), microphone=(self)
expires
0
main.js
cs50.ai/static/dist/
3 MB
979 KB
Script
General
Full URL
https://cs50.ai/static/dist/main.js?
Requested by
Host: cs50.ai
URL: https://cs50.ai/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.194.126.88 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-194-126-88.compute-1.amazonaws.com
Software
nginx/1.24.0 /
Resource Hash
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Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self'
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://cs50.ai/
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 29 Jun 2024 17:58:41 GMT
strict-transport-security
max-age=31536000; includeSubDomains
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
content-encoding
gzip
status
200 OK
content-disposition
inline; filename=main.js
x-xss-protection
0
pragma
no-cache
referrer-policy
strict-origin
last-modified
Mon, 17 Jun 2024 18:10:59 GMT
server
nginx/1.24.0
etag
W/"1718647859.0-2688029-2547649158"
vary
Cookie
x-frame-options
SAMEORIGIN
content-type
text/javascript; charset=utf-8
cache-control
no-cache, no-store, must-revalidate
permissions-policy
camera=(self), geolocation=(self), microphone=(self)
expires
0
github-dark.min.css
cs50.ai/static/css/highlightjs/
2 KB
2 KB
Stylesheet
General
Full URL
https://cs50.ai/static/css/highlightjs/github-dark.min.css
Requested by
Host: cs50.ai
URL: https://cs50.ai/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.194.126.88 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-194-126-88.compute-1.amazonaws.com
Software
nginx/1.24.0 /
Resource Hash
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Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self'
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://cs50.ai/
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 29 Jun 2024 17:58:41 GMT
strict-transport-security
max-age=31536000; includeSubDomains
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
content-encoding
gzip
status
200 OK
content-disposition
inline; filename=github-dark.min.css
x-xss-protection
0
pragma
no-cache
referrer-policy
strict-origin
last-modified
Mon, 17 Jun 2024 17:46:43 GMT
server
nginx/1.24.0
etag
W/"1718646403.0-2298-4155183978"
vary
Cookie
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
cache-control
no-cache, no-store, must-revalidate
permissions-policy
camera=(self), geolocation=(self), microphone=(self)
expires
0
styles.css
cs50.ai/static/css/
3 KB
2 KB
Stylesheet
General
Full URL
https://cs50.ai/static/css/styles.css
Requested by
Host: cs50.ai
URL: https://cs50.ai/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.194.126.88 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-194-126-88.compute-1.amazonaws.com
Software
nginx/1.24.0 /
Resource Hash
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Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self'
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://cs50.ai/
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 29 Jun 2024 17:58:41 GMT
strict-transport-security
max-age=31536000; includeSubDomains
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
content-encoding
gzip
status
200 OK
content-disposition
inline; filename=styles.css
x-xss-protection
0
pragma
no-cache
referrer-policy
strict-origin
last-modified
Mon, 17 Jun 2024 17:46:43 GMT
server
nginx/1.24.0
etag
W/"1718646403.0-3348-2944076678"
vary
Cookie
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
cache-control
no-cache, no-store, must-revalidate
permissions-policy
camera=(self), geolocation=(self), microphone=(self)
expires
0
ddb50.gif
cs50.ai/static/img/
76 KB
77 KB
Image
General
Full URL
https://cs50.ai/static/img/ddb50.gif
Requested by
Host: cs50.ai
URL: https://cs50.ai/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.194.126.88 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-194-126-88.compute-1.amazonaws.com
Software
nginx/1.24.0 /
Resource Hash
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Security Headers
Name Value
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X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://cs50.ai/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 29 Jun 2024 17:58:41 GMT
strict-transport-security
max-age=31536000; includeSubDomains
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
status
200 OK
content-disposition
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content-length
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x-xss-protection
0
pragma
no-cache
referrer-policy
strict-origin
last-modified
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server
nginx/1.24.0
etag
"1718646403.0-77854-2668759634"
vary
Cookie
x-frame-options
SAMEORIGIN
content-type
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cache-control
no-cache, no-store, must-revalidate
permissions-policy
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expires
0
duck_4.jpg
cs50.ai/static/img/
149 KB
150 KB
Image
General
Full URL
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Requested by
Host: cs50.ai
URL: https://cs50.ai/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.194.126.88 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-194-126-88.compute-1.amazonaws.com
Software
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Resource Hash
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Security Headers
Name Value
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Request headers

sec-ch-ua
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Referer
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Accept-Language
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
Sat, 29 Jun 2024 17:58:41 GMT
strict-transport-security
max-age=31536000; includeSubDomains
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
status
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content-disposition
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content-length
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x-xss-protection
0
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no-cache
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strict-origin
last-modified
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server
nginx/1.24.0
etag
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vary
Cookie
x-frame-options
SAMEORIGIN
content-type
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cache-control
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expires
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Script
General
Full URL
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Requested by
Host: cs50.ai
URL: https://cs50.ai/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
108.138.7.61 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-108-138-7-61.fra56.r.cloudfront.net
Software
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Resource Hash
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Security Headers
Name Value
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Request headers

sec-ch-ua
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Referer
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Accept-Language
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
Sat, 29 Jun 2024 17:58:42 GMT
strict-transport-security
max-age=259200
x-content-type-options
nosniff
nel
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x-permitted-cross-domain-policies
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atl-traceid
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content-encoding
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via
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x-cache
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etag
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cache-control
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Script
General
Full URL
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Requested by
Host: cs50.ai
URL: https://cs50.ai/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Reverse DNS
Software
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Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://cs50.ai/
Accept-Language
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sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 29 Jun 2024 17:51:43 GMT
content-encoding
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age
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x-guploader-uploadid
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last-modified
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server
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etag
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x-goog-hash
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frame
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Document
General
Full URL
https://g9mp5m2251ps.statuspage.io/embed/frame
Requested by
Host: cs50.statuspage.io
URL: https://cs50.statuspage.io/embed/script.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
108.138.7.16 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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Software
AtlassianEdge /
Resource Hash
Security Headers
Name Value
Strict-Transport-Security max-age=259200
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Referer
https://cs50.ai/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

accept-ranges
bytes
access-control-allow-origin
*
atl-traceid
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Verdicts & Comments Add Verdict or Comment

16 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 undefined| event object| fence object| sharedStorage object| FontAwesomeConfig function| parcelRequire94c2 object| ___FONT_AWESOME___ object| FontAwesome number| uidEvent object| bootstrap function| $ function| jQuery object| hljs function| markdownit object| mixpanel function| statusEmbedTest

3 Cookies

Domain/Path Name / Value
cs50.ai/ Name: session
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cs50.ai/ Name: AWSALB
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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

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