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cs50.dev Open in urlscan Pro
34.200.100.166  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://cs50.dev/
Effective URL: https://cs50.dev/
Submission: On April 02 via api from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 3 IPs in 1 countries across 2 domains to perform 9 HTTP transactions. The main IP is 34.200.100.166, located in Ashburn, United States and belongs to AMAZON-AES, US. The main domain is cs50.dev. The Cisco Umbrella rank of the primary domain is 818397.
TLS certificate: Issued by Amazon RSA 2048 M02 on March 26th 2024. Valid for: a year.
This is the only time cs50.dev was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
7 34.200.100.166 14618 (AMAZON-AES)
1 108.138.7.111 16509 (AMAZON-02)
1 108.138.7.16 16509 (AMAZON-02)
9 3
Apex Domain
Subdomains		 Transfer
7 cs50.dev
cs50.dev — Cisco Umbrella Rank: 818397
1 MB
2 statuspage.io
g9mp5m2251ps.statuspage.io — Cisco Umbrella Rank: 723764
1 KB
9 2
Domain Requested by
7 cs50.dev cs50.dev
2 g9mp5m2251ps.statuspage.io cs50.dev
g9mp5m2251ps.statuspage.io
9 2

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

Domain
github.com
cs50.readthedocs.io
docs.github.com
Subject Issuer Validity Valid
cs50.dev
Amazon RSA 2048 M02		 2024-03-26 -
2025-04-25		 a year crt.sh
*.statuspage.io
Amazon RSA 2048 M03		 2023-10-18 -
2024-11-16		 a year crt.sh

This page contains 2 frames:

Primary Page: https://cs50.dev/
Frame ID: 7D29CC31D922341310868F352C744AA8
Requests: 8 HTTP requests in this frame

Frame: https://g9mp5m2251ps.statuspage.io/embed/frame
Frame ID: D288AB734FEC5D3B7598B5FF0358545D
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Visual Studio Code for CS50

Page URL History Show full URLs

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

Page Statistics

9
Requests

100 %
HTTPS

0 %
IPv6

2
Domains

2
Subdomains

3
IPs

1
Countries

1251 kB
Transfer

3601 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.dev/ HTTP 307
    https://cs50.dev/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

9 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
cs50.dev/
Redirect Chain
  • http://cs50.dev/
  • https://cs50.dev/
16 KB
5 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://cs50.dev/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.200.100.166 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-200-100-166.compute-1.amazonaws.com
Software
nginx /
Resource Hash
da166d8cf4c3f98f2f3446dd9d08ac5b8b191abdcb1dfd71d4557ead9ed0fc2a
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

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
accept-language
de-DE,de;q=0.9

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
Tue, 02 Apr 2024 13:24:31 GMT
expires
0
permissions-policy
camera=(self), geolocation=(self), microphone=(self)
pragma
no-cache
referrer-policy
strict-origin
server
nginx
status
200 OK
strict-transport-security
max-age=31536000; includeSubDomains
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN
x-xss-protection
0

Redirect headers

Cross-Origin-Resource-Policy
Cross-Origin
Location
https://cs50.dev/
Non-Authoritative-Reason
HSTS
main.css
cs50.dev/static/dist/ 		322 KB
61 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://cs50.dev/static/dist/main.css?1711771512
Requested by
Host: cs50.dev
URL: https://cs50.dev/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.200.100.166 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-200-100-166.compute-1.amazonaws.com
Software
nginx /
Resource Hash
b61bc5498a40c8e9bb68dc8a35732a9f6f14b830914ad10ad372a36b400c6710
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="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://cs50.dev/
accept-language
de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Apr 2024 13:24:31 GMT
strict-transport-security
max-age=31536000; includeSubDomains
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
last-modified
Sat, 30 Mar 2024 04:04:34 GMT
server
nginx
content-encoding
gzip
referrer-policy
strict-origin
etag
W/"1711771474.102301-329351-2730363634"
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
status
200 OK
permissions-policy
camera=(self), geolocation=(self), microphone=(self)
content-disposition
inline; filename=main.css
x-xss-protection
0
main.js
cs50.dev/static/dist/ 		3 MB
870 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cs50.dev/static/dist/main.js?1711771512
Requested by
Host: cs50.dev
URL: https://cs50.dev/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.200.100.166 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-200-100-166.compute-1.amazonaws.com
Software
nginx /
Resource Hash
78b2ac63b7de84f10d881d3f18d1ec59768212902836955f1700e41c6221f374
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="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://cs50.dev/
accept-language
de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Apr 2024 13:24:31 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
Sat, 30 Mar 2024 04:04:34 GMT
server
nginx
etag
W/"1711771474.102301-3022435-2547649158"
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
ddb50.gif
cs50.dev/static/ 		76 KB
77 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://cs50.dev/static/ddb50.gif
Requested by
Host: cs50.dev
URL: https://cs50.dev/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.200.100.166 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-200-100-166.compute-1.amazonaws.com
Software
nginx /
Resource Hash
959835bb120a8d2708d1f4ec849b2bbbfe4526612b9213658a2a3007cf40ed38
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="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://cs50.dev/
accept-language
de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Apr 2024 13:24:31 GMT
strict-transport-security
max-age=31536000; includeSubDomains
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
status
200 OK
content-disposition
inline; filename=ddb50.gif
content-length
77854
x-xss-protection
0
pragma
no-cache
referrer-policy
strict-origin
last-modified
Tue, 12 Mar 2024 15:03:19 GMT
server
nginx
etag
"1710255799.0-77854-1989282022"
x-frame-options
SAMEORIGIN
content-type
image/gif
cache-control
no-cache, no-store, must-revalidate
permissions-policy
camera=(self), geolocation=(self), microphone=(self)
expires
0
dependencies-2.png
cs50.dev/static/ 		9 KB
10 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://cs50.dev/static/dependencies-2.png
Requested by
Host: cs50.dev
URL: https://cs50.dev/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.200.100.166 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-200-100-166.compute-1.amazonaws.com
Software
nginx /
Resource Hash
d6a709eaab07c257e1347ce4836238c8df701e5b27d2f82edcb0b231b63e0841
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="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://cs50.dev/
accept-language
de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Apr 2024 13:24:31 GMT
strict-transport-security
max-age=31536000; includeSubDomains
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
status
200 OK
content-disposition
inline; filename=dependencies-2.png
content-length
9473
x-xss-protection
0
pragma
no-cache
referrer-policy
strict-origin
last-modified
Tue, 12 Mar 2024 15:03:19 GMT
server
nginx
etag
"1710255799.0-9473-3755805868"
x-frame-options
SAMEORIGIN
content-type
image/png
cache-control
no-cache, no-store, must-revalidate
permissions-policy
camera=(self), geolocation=(self), microphone=(self)
expires
0
script.js
g9mp5m2251ps.statuspage.io/embed/ 		2 KB
1 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://g9mp5m2251ps.statuspage.io/embed/script.js
Requested by
Host: cs50.dev
URL: https://cs50.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
108.138.7.111 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-108-138-7-111.fra56.r.cloudfront.net
Software
AtlassianEdge /
Resource Hash
226f608620624d166d466825d2302985771bf4cd7ec8adc25d3c0202d477eef5
Security Headers
Name Value
Strict-Transport-Security max-age=259200
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://cs50.dev/
accept-language
de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Apr 2024 13:24:30 GMT
strict-transport-security
max-age=259200
x-content-type-options
nosniff
nel
{"failure_fraction": 0.001, "include_subdomains": true, "max_age": 600, "report_to": "endpoint-1"}
x-permitted-cross-domain-policies
none
atl-traceid
d644b90071444a69a719102430756b86
content-encoding
br
x-amz-cf-pop
FRA56-P6
x-statuspage-skip-logging
true
via
1.1 ab68583a58d574d6a9e5fca1fb1e6316.cloudfront.net (CloudFront)
x-cache
Hit from cloudfront
age
1
x-statuspage-version
54b5ae162b00e55fab732a5fa71c2bed0e9e662f
x-xss-protection
1; mode=block
x-runtime
0.041175
referrer-policy
strict-origin-when-cross-origin
server
AtlassianEdge
etag
W/"226f608620624d166d466825d2302985"
x-download-options
noopen
vary
Accept-Encoding
report-to
{"endpoints": [{"url": "https://dz8aopenkvv6s.cloudfront.net"}], "group": "endpoint-1", "include_subdomains": true, "max_age": 600}
content-type
text/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=3, public
x-edge-cache-ttl
3
x-amz-cf-id
MDeGwpg-vIUqhm6ZGfl9Glg8bCVwj-7xpoIZagMuesDu6ccsHcTDqQ==
x-pollinator-metadata-service
status-page-web-pages
frame
g9mp5m2251ps.statuspage.io/embed/ Frame D288 		0
0 		Document
General
Check archive.org
Download Go to
Full URL
https://g9mp5m2251ps.statuspage.io/embed/frame
Requested by
Host: g9mp5m2251ps.statuspage.io
URL: https://g9mp5m2251ps.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
server-108-138-7-16.fra56.r.cloudfront.net
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

Referer
https://cs50.dev/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
accept-language
de-DE,de;q=0.9
sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

accept-ranges
bytes
access-control-allow-origin
*
atl-traceid
8ae2cf949d6449a3b95da216a210fea8
cache-control
max-age=3, public
content-encoding
br
content-type
text/html; charset=utf-8
date
Tue, 02 Apr 2024 13:24:32 GMT
etag
W/"b51b4c79da055f6911ebebb83c5c972a"
nel
{"failure_fraction": 0.001, "include_subdomains": true, "max_age": 600, "report_to": "endpoint-1"}
referrer-policy
strict-origin-when-cross-origin
report-to
{"endpoints": [{"url": "https://dz8aopenkvv6s.cloudfront.net"}], "group": "endpoint-1", "include_subdomains": true, "max_age": 600}
server
AtlassianEdge
strict-transport-security
max-age=259200
vary
Accept-Encoding
via
1.1 fb5610ec56d3f427bcbcfdd851770614.cloudfront.net (CloudFront)
x-amz-cf-id
gKd7u9XFGgciSjvJcZ8-c39zl--n_19tDkqjhID-hyoXRMjzZLXHLA==
x-amz-cf-pop
FRA56-P6
x-cache
Miss from cloudfront
x-content-type-options
nosniff
x-download-options
noopen
x-edge-cache-ttl
3
x-permitted-cross-domain-policies
none
x-pollinator-metadata-service
status-page-web-pages
x-runtime
0.142476
x-statuspage-skip-logging
true
x-statuspage-version
54b5ae162b00e55fab732a5fa71c2bed0e9e662f
x-xss-protection
1; mode=block
fa-brands-400.f88bf5bd.woff2
cs50.dev/static/dist/ 		115 KB
115 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://cs50.dev/static/dist/fa-brands-400.f88bf5bd.woff2
Requested by
Host: cs50.dev
URL: https://cs50.dev/static/dist/main.css?1711771512
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.200.100.166 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-200-100-166.compute-1.amazonaws.com
Software
nginx /
Resource Hash
3a8924cd5203a28628716aedb5cef0943da4c3b44e3ffcee90ab06387b41c490
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="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://cs50.dev/
Origin
https://cs50.dev
accept-language
de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Apr 2024 13:24:32 GMT
strict-transport-security
max-age=31536000; includeSubDomains
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
last-modified
Sat, 30 Mar 2024 04:04:31 GMT
server
nginx
referrer-policy
strict-origin
etag
"1711771471.3223207-117372-3041726686"
x-frame-options
SAMEORIGIN
content-type
font/woff2
status
200 OK
permissions-policy
camera=(self), geolocation=(self), microphone=(self)
content-disposition
inline; filename=fa-brands-400.f88bf5bd.woff2
content-length
117372
x-xss-protection
0
favicon.ico
cs50.dev/static/ 		110 KB
111 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://cs50.dev/static/favicon.ico
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.200.100.166 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-200-100-166.compute-1.amazonaws.com
Software
nginx /
Resource Hash
1782aac747e92a3334fb1c9b5ca275ef30af5aa35b1208eba9d207aa6889a49a
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="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://cs50.dev/
accept-language
de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Apr 2024 13:24:32 GMT
strict-transport-security
max-age=31536000; includeSubDomains
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
status
200 OK
content-disposition
inline; filename=favicon.ico
content-length
113128
x-xss-protection
0
pragma
no-cache
referrer-policy
strict-origin
last-modified
Tue, 12 Mar 2024 15:03:19 GMT
server
nginx
etag
"1710255799.0-113128-2383022658"
x-frame-options
SAMEORIGIN
content-type
image/vnd.microsoft.icon
cache-control
no-cache, no-store, must-revalidate
permissions-policy
camera=(self), geolocation=(self), microphone=(self)
expires
0

Verdicts & Comments Add Verdict or Comment

19 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| onpagereveal object| FontAwesomeConfig function| parcelRequire94c2 object| ___FONT_AWESOME___ object| FontAwesome number| uidEvent object| __core-js_shared__ object| core function| setImmediate function| clearImmediate object| regeneratorRuntime boolean| _babelPolyfill object| bootstrap function| bowser function| moment function| $ function| jQuery function| statusEmbedTest

3 Cookies

Domain/Path Name / Value
cs50.dev/ Name: session
Value: NgK2b0WOZsmKqo208WoyEzNtK50ISjSTSPfd3DWMLwM
cs50.dev/ Name: AWSALB
Value: Vx6cwgGVqM0PDdNfqihmoPJgCd24UK3B7iEyjkYBbGxVo7oBFldeqHrF0QjOrYfBSvGE9LELpgrED2cuOW0TsjLHjEMSU8JYur7cetoTUY4GDoO4ttsnV4eTfd8R
cs50.dev/ Name: AWSALBCORS
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