URL: https://video.cs50.io/
Submission: On June 29 via manual from US

Summary

This website contacted 4 IPs in 2 countries across 4 domains to perform 6 HTTP transactions. The main IP is 3.223.198.75, located in Ashburn, United States and belongs to AMAZON-AES, US. The main domain is video.cs50.io.
TLS certificate: Issued by Amazon on March 6th 2020. Valid for: a year.
This is the only time video.cs50.io was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
2 3.223.198.75 14618 (AMAZON-AES)
2 23.111.9.35 33438 (HIGHWINDS2)
1 2001:4de0:ac1... 20446 (HIGHWINDS3)
1 2001:4de0:ac1... 20446 (HIGHWINDS3)
6 4
Domain Requested by
2 use.fontawesome.com video.cs50.io
2 video.cs50.io video.cs50.io
1 code.jquery.com video.cs50.io
1 stackpath.bootstrapcdn.com video.cs50.io
6 4

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

Domain
cs50.readthedocs.io
Subject Issuer Validity Valid
cs50.net
Amazon
2020-03-06 -
2021-04-06
a year crt.sh
*.fontawesome.com
DigiCert SHA2 Secure Server CA
2019-10-28 -
2020-12-23
a year crt.sh
*.bootstrapcdn.com
Sectigo RSA Domain Validation Secure Server CA
2019-09-14 -
2020-10-13
a year crt.sh
jquery.org
COMODO RSA Domain Validation Secure Server CA
2018-10-17 -
2020-10-16
2 years crt.sh

This page contains 1 frames:

Primary Page: https://video.cs50.io/
Frame ID: 7FBDFA6B356587B46AD2A0DFABBD34E3
Requests: 6 HTTP requests in this frame

Screenshot


Detected technologies

Overall confidence: 100%
Detected patterns
  • html /<link[^>]+?href="[^"]*bootstrap(?:\.min)?\.css/i

Overall confidence: 100%
Detected patterns
  • script /clipboard(?:-([\d.]+))?(?:\.min)?\.js/i

Overall confidence: 100%
Detected patterns
  • html /<link[^>]* href="https:\/\/use\.fontawesome\.com\/releases\/v([^>]+)\/css\//i

Overall confidence: 100%
Detected patterns
  • script /jquery[.-]([\d.]*\d)[^/]*\.js/i
  • script /jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?/i

Page Statistics

6
Requests

100 %
HTTPS

50 %
IPv6

4
Domains

4
Subdomains

4
IPs

2
Countries

144 kB
Transfer

374 kB
Size

2
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

6 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request Cookie set /
video.cs50.io/
4 KB
2 KB
Document
General
Full URL
https://video.cs50.io/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.223.198.75 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-3-223-198-75.compute-1.amazonaws.com
Software
/
Resource Hash
d9dce4a341aaaf3c0e9f2bc71195f6370e5a0bce63fcb787cdd41b080d163a5a
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' cs50.harvard.edu cs50.yale.edu *.cs50.io;

Request headers

Host
video.cs50.io
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Sec-Fetch-Site
none
Sec-Fetch-Mode
navigate
Sec-Fetch-User
?1
Sec-Fetch-Dest
document
Accept-Encoding
gzip, deflate, br
Accept-Language
en-US
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Cache-Control
no-cache, no-store, must-revalidate
Cache-control
no-cache="set-cookie"
Content-Encoding
gzip
Content-Security-Policy
frame-ancestors 'self' cs50.harvard.edu cs50.yale.edu *.cs50.io;
Content-Type
text/html; charset=utf-8
Date
Mon, 29 Jun 2020 15:08:46 GMT
Expires
0
Pragma
no-cache
Set-Cookie
AWSELB=83FBB3010639F13F081CF05ADE33D7B69588D86760CC7FE3F724A564623964B297F11EC29775E8E5AD7DA3333B7B73193505CD7656EDA4932CAD048E6F29A052F5B2B0622E;PATH=/ AWSELBCORS=83FBB3010639F13F081CF05ADE33D7B69588D86760CC7FE3F724A564623964B297F11EC29775E8E5AD7DA3333B7B73193505CD7656EDA4932CAD048E6F29A052F5B2B0622E;PATH=/;SECURE;SAMESITE=None
Status
200 OK
transfer-encoding
chunked
Connection
keep-alive
all.css
use.fontawesome.com/releases/v5.13.0/css/
57 KB
14 KB
Stylesheet
General
Full URL
https://use.fontawesome.com/releases/v5.13.0/css/all.css
Requested by
Host: video.cs50.io
URL: https://video.cs50.io/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
23.111.9.35 Phoenix, United States, ASN33438 (HIGHWINDS2, US),
Reverse DNS
Software
NetDNA-cache/2.2 /
Resource Hash
876d023d9d10c97941b80c3b03e2a5b94631ff7a4af9cee5604a6a2d39718d84

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Referer
https://video.cs50.io/
Origin
https://video.cs50.io

Response headers

date
Mon, 29 Jun 2020 15:08:46 GMT
content-encoding
gzip
last-modified
Mon, 23 Mar 2020 16:09:20 GMT
server
NetDNA-cache/2.2
status
200
etag
W/"76cb46c10b6c0293433b371bae2414b2"
vary
Access-Control-Request-Headers, Access-Control-Request-Method, Accept-Encoding
access-control-allow-methods
GET
content-type
text/css
access-control-allow-origin
*
access-control-max-age
3000
cache-control
max-age=31556926
x-cache
HIT
bootstrap.min.css
stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/
157 KB
24 KB
Stylesheet
General
Full URL
https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css
Requested by
Host: video.cs50.io
URL: https://video.cs50.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4de0:ac19::1:b:2b , Netherlands, ASN20446 (HIGHWINDS3, US),
Reverse DNS
Software
/
Resource Hash
680af6669abc319f9803f0fa26d443df1b6bc29133d88a8e4bea560ffed7288c
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Referer
https://video.cs50.io/
Origin
https://video.cs50.io

Response headers

date
Mon, 29 Jun 2020 15:08:46 GMT
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Tue, 12 May 2020 17:29:51 GMT
status
200
etag
"1589304591"
vary
Accept-Encoding
x-cache
HIT
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=31536000
cross-origin-resource-policy
cross-origin
accept-ranges
bytes
timing-allow-origin
*
content-length
23841
jquery-3.5.1.slim.min.js
code.jquery.com/
71 KB
25 KB
Script
General
Full URL
https://code.jquery.com/jquery-3.5.1.slim.min.js
Requested by
Host: video.cs50.io
URL: https://video.cs50.io/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:4de0:ac19::1:b:1a , Netherlands, ASN20446 (HIGHWINDS3, US),
Reverse DNS
Software
nginx /
Resource Hash
e3e5f35d586c0e6a9a9d7187687be087580c40a5f8d0e52f0c4053bbc25c98db

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Referer
https://video.cs50.io/
Origin
https://video.cs50.io

Response headers

Date
Mon, 29 Jun 2020 15:08:46 GMT
Content-Encoding
gzip
Last-Modified
Mon, 04 May 2020 23:02:39 GMT
Server
nginx
ETag
W/"5eb09f0f-11abc"
Vary
Accept-Encoding
X-HW
1593443326.dop002.fr8.t,1593443326.cds100.fr8.shn,1593443326.dop002.fr8.t,1593443326.cds154.fr8.c
Content-Type
application/javascript; charset=utf-8
Access-Control-Allow-Origin
*
Cache-Control
max-age=315360000, public
Connection
Keep-Alive
Accept-Ranges
bytes
Content-Length
24606
clipboard.min.js
video.cs50.io/static/
11 KB
4 KB
Script
General
Full URL
https://video.cs50.io/static/clipboard.min.js
Requested by
Host: video.cs50.io
URL: https://video.cs50.io/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.223.198.75 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-3-223-198-75.compute-1.amazonaws.com
Software
/
Resource Hash
0da7fc1ae23678b2872653962d147fcd1cbd0a5a9c8f84d44ae99bc581fd9062
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' cs50.harvard.edu cs50.yale.edu *.cs50.io;

Request headers

Referer
https://video.cs50.io/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Pragma
no-cache
Content-Security-Policy
frame-ancestors 'self' cs50.harvard.edu cs50.yale.edu *.cs50.io;
Content-Encoding
gzip
Last-Modified
Mon, 29 Jun 2020 04:47:10 GMT
ETag
W/"1593406030.0-10917-3342011424"
Content-Type
application/javascript; charset=utf-8
Status
200 OK
Cache-Control
no-cache, no-store, must-revalidate
Date
Mon, 29 Jun 2020 15:08:46 GMT
Connection
keep-alive
Content-Length
3636
Expires
0
fa-brands-400.woff2
use.fontawesome.com/releases/v5.13.0/webfonts/
75 KB
75 KB
Font
General
Full URL
https://use.fontawesome.com/releases/v5.13.0/webfonts/fa-brands-400.woff2
Requested by
Host: video.cs50.io
URL: https://video.cs50.io/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
23.111.9.35 Phoenix, United States, ASN33438 (HIGHWINDS2, US),
Reverse DNS
Software
NetDNA-cache/2.2 /
Resource Hash
5d9190292acdd48ba0fc35080f7e7448f3cdf0d79199a4d23f0f49b5341fdf29

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Referer
https://use.fontawesome.com/releases/v5.13.0/css/all.css
Origin
https://video.cs50.io

Response headers

date
Mon, 29 Jun 2020 15:08:46 GMT
last-modified
Mon, 23 Mar 2020 16:10:04 GMT
server
NetDNA-cache/2.2
status
200
etag
"a06da7f0950f9dd366fc9db9d56d618a"
vary
Access-Control-Request-Headers, Access-Control-Request-Method, Accept-Encoding
access-control-allow-methods
GET
content-type
font/woff2
access-control-allow-origin
*
access-control-max-age
3000
cache-control
max-age=31556926
x-cache
HIT
accept-ranges
bytes
content-length
76612

Verdicts & Comments Add Verdict or Comment

4 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| onformdata object| onpointerrawupdate function| $ function| jQuery

2 Cookies

Domain/Path Name / Value
video.cs50.io/ Name: AWSELBCORS
Value: 83FBB3010639F13F081CF05ADE33D7B69588D86760CC7FE3F724A564623964B297F11EC29775E8E5AD7DA3333B7B73193505CD7656EDA4932CAD048E6F29A052F5B2B0622E
video.cs50.io/ Name: AWSELB
Value: 83FBB3010639F13F081CF05ADE33D7B69588D86760CC7FE3F724A564623964B297F11EC29775E8E5AD7DA3333B7B73193505CD7656EDA4932CAD048E6F29A052F5B2B0622E

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 frame-ancestors 'self' cs50.harvard.edu cs50.yale.edu *.cs50.io;