certificates.cs50.io

Summary

This website contacted 1 IPs in 1 countries across 1 domains to perform 4 HTTP transactions. The main IP is 13.32.27.124, located in United States and belongs to AMAZON-02, US. The main domain is certificates.cs50.io.
TLS certificate: Issued by Amazon RSA 2048 M01 on February 24th 2023. Valid for: a year.

This is the only time certificates.cs50.io was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 1	13.32.27.56 13.32.27.56	16509 (AMAZON-02) (AMAZON-02)
4	13.32.27.124 13.32.27.124	16509 (AMAZON-02) (AMAZON-02)
4	1

1 13.32.27.56 (United States) 1 redirects

ASN16509 (AMAZON-02, US)
PTR: server-13-32-27-56.fra56.r.cloudfront.net

certificates.cs50.io	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 13.32.27.124 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-13-32-27-124.fra56.r.cloudfront.net

certificates.cs50.io	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
5	cs50.io 1 redirects certificates.cs50.io	785 KB
4	1

	Domain	Requested by
5	certificates.cs50.io	1 redirects certificates.cs50.io
4	1

This site contains no links.

Subject Issuer	Validity	Valid
cs50.io Amazon RSA 2048 M01	`2023-02-24` - `2024-01-22`	a year	crt.sh

This page contains 1 frames:

Primary Page: https://certificates.cs50.io/
Frame ID: FA6F7BFDB8520ACDD3D67A66C55DC8DA
Requests: 4 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

CS50 Certificates

Page URL History Show full URLs

http://certificates.cs50.io/ HTTP 301
https://certificates.cs50.io/ Page URL

Page Statistics

4
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

784 kB
Transfer

2233 kB
Size

2
Cookies

0 Outgoing links

These are links going to different origins than the main page.

Page URL History

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

http://certificates.cs50.io/ HTTP 301
https://certificates.cs50.io/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

4 HTTP transactions
0 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H2

200

Primary Request / Show response
certificates.cs50.io/
Redirect Chain

http://certificates.cs50.io/
https://certificates.cs50.io/

6 KB
3 KB

452ms
367ms

Document
text/html

13.32.27.124
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://certificates.cs50.io/

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

13.32.27.124 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

server-13-32-27-124.fra56.r.cloudfront.net

Software

nginx /

Resource Hash

e2f5dd0854819ee3a8755a842bb734240837b66ba7271b7f09bfe1cde9f67e53

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/119.0.6045.123 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: Fri, 10 Nov 2023 20:50:55 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
via: 1.1 0d5d2d408eb42296c7636196e25ef8a2.cloudfront.net (CloudFront)
x-amz-cf-id: -Q7kvoVf13eWwpCNpZhD5B9YszNUGBj_VmVLlEoBgC3PPL-alvTfgg==
x-amz-cf-pop: FRA56-C2
x-cache: Miss from cloudfront
x-content-type-options: nosniff
x-frame-options: SAMEORIGIN
x-xss-protection: 0

Redirect headers

Connection: keep-alive
Content-Length: 167
Content-Type: text/html
Date: Fri, 10 Nov 2023 20:50:54 GMT
Location: https://certificates.cs50.io/
Server: CloudFront
Via: 1.1 cbe141923b7469a299306144733821c2.cloudfront.net (CloudFront)
X-Amz-Cf-Id: lRMzCNECxIg_Cz3K1YErsIzOZ77LsVwdaAoZQlKmf6KPd8RW3muyRw==
X-Amz-Cf-Pop: FRA56-C2
X-Cache: Redirect from cloudfront

GET
H2 200 main.css
certificates.cs50.io/static/dist/ 322 KB
61 KB 348ms
345ms Stylesheet
text/css 13.32.27.124
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://certificates.cs50.io/static/dist/main.css?1699647182

Requested by

Host: certificates.cs50.io
URL: https://certificates.cs50.io/

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

13.32.27.124 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

server-13-32-27-124.fra56.r.cloudfront.net

Software

nginx /

Resource Hash

fa631b0d671af614d68eab56a3b588a1ed2f5aaae96e3df942eb2e18adde8285

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
Referer: https://certificates.cs50.io/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.123 Safari/537.36

Response headers

date: Fri, 10 Nov 2023 20:50:55 GMT
strict-transport-security: max-age=31536000; includeSubDomains
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self'
content-encoding: gzip
via: 1.1 0d5d2d408eb42296c7636196e25ef8a2.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA56-C2
x-cache: Miss from cloudfront
status: 200 OK
content-disposition: inline; filename=main.css
x-xss-protection: 0
referrer-policy: strict-origin
last-modified: Fri, 10 Nov 2023 20:09:43 GMT
server: nginx
etag: W/"1699646983.0-329554-2730363634"
x-frame-options: SAMEORIGIN
content-type: text/css; charset=utf-8
permissions-policy: camera=(self), geolocation=(self), microphone=(self)
x-amz-cf-id: HcclzjSqA80vo18eRu0PplV2lvRqYQ7ASQzWBKQ7NjVBInwEQxWKhQ==

GET
H2 200 main.js Show response
certificates.cs50.io/static/dist/ 2 MB
708 KB 361ms
360ms Script
text/javascript 13.32.27.124
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://certificates.cs50.io/static/dist/main.js?1699647182

Requested by

Host: certificates.cs50.io
URL: https://certificates.cs50.io/

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

13.32.27.124 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

server-13-32-27-124.fra56.r.cloudfront.net

Software

nginx /

Resource Hash

587b63f458217b34c384984bb653611845ec51c4ab53aedd4cd29f142bb756bf

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
Referer: https://certificates.cs50.io/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.123 Safari/537.36

Response headers

date: Fri, 10 Nov 2023 20:50:55 GMT
strict-transport-security: max-age=31536000; includeSubDomains
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self'
content-encoding: gzip
via: 1.1 0d5d2d408eb42296c7636196e25ef8a2.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA56-C2
x-cache: Miss from cloudfront
status: 200 OK
content-disposition: inline; filename=main.js
x-xss-protection: 0
referrer-policy: strict-origin
last-modified: Fri, 10 Nov 2023 20:09:43 GMT
server: nginx
etag: W/"1699646983.0-1937884-2547649158"
x-frame-options: SAMEORIGIN
content-type: text/javascript; charset=utf-8
permissions-policy: camera=(self), geolocation=(self), microphone=(self)
x-amz-cf-id: ZxaEFkObH3sGfTMQdlBsUEJ5LkIdcK3G7r25aY9IyzkqExhJ8eeLgw==

GET
H2 200 success.jpg
certificates.cs50.io/static/ 12 KB
13 KB 359ms
357ms Image
image/jpeg 13.32.27.124
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://certificates.cs50.io/static/success.jpg

Requested by

Host: certificates.cs50.io
URL: https://certificates.cs50.io/

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

13.32.27.124 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

server-13-32-27-124.fra56.r.cloudfront.net

Software

nginx /

Resource Hash

3f8e65d33f4c6d1202bc2dea5d8af4e888f4c2b5434b8f2bab88df056474713c

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
Referer: https://certificates.cs50.io/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.123 Safari/537.36

Response headers

date: Fri, 10 Nov 2023 20:50:55 GMT
strict-transport-security: max-age=31536000; includeSubDomains
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self'
via: 1.1 0d5d2d408eb42296c7636196e25ef8a2.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA56-C2
x-cache: Miss from cloudfront
status: 200 OK
content-disposition: inline; filename=success.jpg
content-length: 12508
x-xss-protection: 0
pragma: no-cache
referrer-policy: strict-origin
last-modified: Tue, 10 Oct 2023 00:54:48 GMT
server: nginx
etag: "1696899288.0-12508-2396654171"
x-frame-options: SAMEORIGIN
content-type: image/jpeg
cache-control: no-cache, no-store, must-revalidate
permissions-policy: camera=(self), geolocation=(self), microphone=(self)
x-amz-cf-id: Qsxwh00etjQGPvxm4f0ndePOhIPRQyAIRXyytLAlIT0fil3JO7Xrxw==
expires: 0

Verdicts & Comments Add Verdict or Comment

10 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.

2 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

			Domain/Path	Expires	Name / Value
			certificates.cs50.io/	1970-01-20 16:17:34	Name: AWSALB Value: WWth0kwm45fNl24NsmKveB1/vBficxhYtoIeXUXML5zIC95FigRJoOHQuLUtEiwxkEWQzQXpr/IZR41KKsTbamvH/iSBATw//0GgzqS/ybHCzsG4Z74cZZhVnE+G
			certificates.cs50.io/	1970-01-20 16:17:34	Name: AWSALBCORS Value: WWth0kwm45fNl24NsmKveB1/vBficxhYtoIeXUXML5zIC95FigRJoOHQuLUtEiwxkEWQzQXpr/IZR41KKsTbamvH/iSBATw//0GgzqS/ybHCzsG4Z74cZZhVnE+G

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'
Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	0

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.

certificates.cs50.io
13.32.27.124
13.32.27.56
3f8e65d33f4c6d1202bc2dea5d8af4e888f4c2b5434b8f2bab88df056474713c
587b63f458217b34c384984bb653611845ec51c4ab53aedd4cd29f142bb756bf
e2f5dd0854819ee3a8755a842bb734240837b66ba7271b7f09bfe1cde9f67e53
fa631b0d671af614d68eab56a3b588a1ed2f5aaae96e3df942eb2e18adde8285

certificates.cs50.io Open in urlscan Pro 13.32.27.124 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Page Statistics

4 Requests

100 %HTTPS

0 %IPv6

1 Domains

1 Subdomains

1 IPs

1 Countries

784 kBTransfer

2233 kBSize

2 Cookies

0 Outgoing links

Page URL History

Redirected requests

4 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 0 data transactions

Request headers

Response headers

Redirect headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Verdicts & Comments Add Verdict or Comment

10 JavaScript Global Variables

2 Cookies

Security Headers

Indicators

certificates.cs50.io Open in urlscan Pro
13.32.27.124 Public Scan

Screenshot
Live screenshot

Full Image

4
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

784 kB
Transfer

2233 kB
Size

2
Cookies

4 HTTP transactions
0 data transactions