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ide.cs50.io Open in urlscan Pro
107.21.13.93  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: https://www.cs50.io/
Effective URL: https://ide.cs50.io/
Submission: On March 07 via api from US
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 14 IPs in 5 countries across 11 domains to perform 18 HTTP transactions. The main IP is 107.21.13.93, located in Ashburn, United States and belongs to AMAZON-AES, US. The main domain is ide.cs50.io.
TLS certificate: Issued by Amazon on February 22nd 2021. Valid for: a year.
This is the only time ide.cs50.io was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

1    104.198.14.52 (The Dalles, United States)

ASN15169 (GOOGLE, US)
PTR: 52.14.198.104.bc.googleusercontent.com
www.cs50.io
2    107.21.13.93 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-107-21-13-93.compute-1.amazonaws.com
ide.cs50.io
2    2606:4700::6812:bcf (United States)

ASN13335 (CLOUDFLARENET, US)
stackpath.bootstrapcdn.com
1    2606:4700::6812:1734 (United States)

ASN13335 (CLOUDFLARENET, US)
kit.fontawesome.com
1    2a00:1450:4001:813::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
1    2001:4de0:ac19::1:b:1b (Netherlands)

ASN20446 (HIGHWINDS3, US)
code.jquery.com
1    2606:4700::6810:125e (United States)

ASN13335 (CLOUDFLARENET, US)
cdnjs.cloudflare.com
1    23.111.9.35 (United States)

ASN33438 (HIGHWINDS2, US)
use.fontawesome.com
2    52.215.192.131 (Dublin, Ireland)

ASN16509 (AMAZON-02, US)
PTR: ec2-52-215-192-131.eu-west-1.compute.amazonaws.com
g9mp5m2251ps.statuspage.io
2    2606:4700:e6::ac40:ca1c (United States)

ASN13335 (CLOUDFLARENET, US)
ka-f.fontawesome.com
1    2a00:1450:4001:800::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google-analytics.com
1    2a00:1450:4001:813::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google-analytics.com
1    2a00:1450:400c:c1b::9c (Brussels, Belgium)

ASN15169 (GOOGLE, US)
stats.g.doubleclick.net
1    2a00:1450:4001:80f::2004 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google.com
1    2a00:1450:4001:809::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google.de
Domain Requested by
2 www.google-analytics.com www.googletagmanager.com
www.google-analytics.com
2 ka-f.fontawesome.com kit.fontawesome.com
2 g9mp5m2251ps.statuspage.io ide.cs50.io
g9mp5m2251ps.statuspage.io
2 stackpath.bootstrapcdn.com ide.cs50.io
2 ide.cs50.io ide.cs50.io
1 www.google.de ide.cs50.io
1 www.google.com ide.cs50.io
1 stats.g.doubleclick.net www.google-analytics.com
1 use.fontawesome.com ide.cs50.io
1 cdnjs.cloudflare.com ide.cs50.io
1 code.jquery.com ide.cs50.io
1 www.googletagmanager.com ide.cs50.io
1 kit.fontawesome.com ide.cs50.io
1 www.cs50.io 1 redirects
18 14

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

Domain
cs50.readthedocs.io
Subject Issuer Validity Valid
cs50.io
Amazon		 2021-02-22 -
2022-03-23		 a year crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3		 2021-03-01 -
2022-02-28		 a year crt.sh
*.fontawesome.com
DigiCert TLS RSA SHA256 2020 CA1		 2020-11-13 -
2021-12-14		 a year crt.sh
*.google-analytics.com
GTS CA 1O1		 2021-02-17 -
2021-05-12		 3 months crt.sh
jquery.org
Sectigo RSA Domain Validation Secure Server CA		 2020-10-06 -
2021-10-16		 a year crt.sh
*.statuspage.io
DigiCert SHA2 High Assurance Server CA		 2020-03-24 -
2021-07-26		 a year crt.sh
*.g.doubleclick.net
GTS CA 1O1		 2021-02-17 -
2021-05-12		 3 months crt.sh
www.google.com
GTS CA 1O1		 2021-02-17 -
2021-05-12		 3 months crt.sh
www.google.de
GTS CA 1O1		 2021-02-17 -
2021-05-12		 3 months crt.sh

This page contains 2 frames:

Primary Page: https://ide.cs50.io/
Frame ID: 62254D8F92689FC2791847C071E7E15B
Requests: 17 HTTP requests in this frame

Frame: https://g9mp5m2251ps.statuspage.io/embed/frame
Frame ID: 6429DE293EACC323E10B04D7773FE529
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page URL History Show full URLs

  1. https://www.cs50.io/ HTTP 301
    https://ide.cs50.io/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • headers server /nginx(?:\/([\d.]+))?/i

Page Statistics

18
Requests

100 %
HTTPS

73 %
IPv6

11
Domains

14
Subdomains

14
IPs

5
Countries

300 kB
Transfer

727 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. https://www.cs50.io/ HTTP 301
    https://ide.cs50.io/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

18 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
ide.cs50.io/
Redirect Chain
  • https://www.cs50.io/
  • https://ide.cs50.io/
3 KB
3 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://ide.cs50.io/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
107.21.13.93 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-107-21-13-93.compute-1.amazonaws.com
Software
nginx/1.17.10 /
Resource Hash
51a670f3e8225a9040e10d59aa34e5d847faaf3058aaa9ca37b7e4e7a709bbe4

Request headers

:method
GET
:authority
ide.cs50.io
:scheme
https
:path
/
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,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 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Sun, 07 Mar 2021 01:52:42 GMT
content-type
text/html; charset=utf-8
content-length
2789
server
nginx/1.17.10

Redirect headers

cache-control
public, max-age=0, must-revalidate
content-length
36
content-type
text/plain; charset=utf-8
date
Sun, 07 Mar 2021 01:52:42 GMT
age
0
server
Netlify
location
https://ide.cs50.io/
x-nf-request-id
8c83f714-18d6-4e19-b2e8-a39005360a85-48081342
bootstrap.min.css
stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/ 		152 KB
28 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css
Requested by
Host: ide.cs50.io
URL: https://ide.cs50.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:bcf , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
60b19e5da6a9234ff9220668a5ec1125c157a268513256188ee80f2d2c8d8d36
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload

Request headers

Origin
https://ide.cs50.io
Referer
https://ide.cs50.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Sun, 07 Mar 2021 01:52:42 GMT
content-encoding
gzip
vary
Accept-Encoding
cf-cache-status
HIT
cdn-edgestorageid
601, 718
age
145500
cdn-cachedat
2021-03-04 14:42:27
cdn-pullzone
252412
cross-origin-resource-policy
cross-origin
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
cf-request-id
08abfc14a00000175615285000000001
timing-allow-origin
*
access-control-allow-origin
*
last-modified
Mon, 25 Jan 2021 22:04:08 GMT
server
cloudflare
cdn-requestpullcode
200
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
text/css; charset=utf-8
cdn-cache
HIT
cdn-uid
b1941f61-b576-4f40-80de-5677acb38f74
cache-control
public, max-age=31919000
cdn-requestid
1628d787f6cdcc8a95ba3f2ba59ff973
cf-ray
62c02f9a98b51756-FRA
cdn-requestcountrycode
DE
cdn-requestpullsuccess
True
4c6d6e74d7.js
kit.fontawesome.com/ 		11 KB
4 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://kit.fontawesome.com/4c6d6e74d7.js
Requested by
Host: ide.cs50.io
URL: https://ide.cs50.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:1734 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
940b3e5d29a0a1a7545e5023783da270cffa951caae4f653df5943d81f87defd
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload

Request headers

Referer
https://ide.cs50.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Sun, 07 Mar 2021 01:52:42 GMT
content-encoding
gzip
vary
origin, accept-encoding, access-control-request-headers, access-control-request-method
cf-cache-status
REVALIDATED
strict-transport-security
max-age=31536000; preload
cf-request-id
08abfc14a00000176a3439b000000001
x-request-id
FmfYtj8EJmUrB1cAGdNB
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
access-control-max-age
3000
access-control-allow-methods
GET, OPTIONS
content-type
text/javascript
access-control-allow-origin
*
cache-control
max-age=60, public, must-revalidate
cf-ray
62c02f9a9ec9176a-FRA
access-control-allow-headers
accept, accept-langauge, content-language, content-type, fa-kit-token
js
www.googletagmanager.com/gtag/ 		98 KB
39 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtag/js?id=UA-140745682-1
Requested by
Host: ide.cs50.io
URL: https://ide.cs50.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:813::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
ead33320c5499acb07f9a7e449df8640bed16b560aa4ef9401e66ed9faa7d21e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

Referer
https://ide.cs50.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Sun, 07 Mar 2021 01:52:42 GMT
content-encoding
br
vary
Accept-Encoding
cross-origin-resource-policy
cross-origin
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
39437
x-xss-protection
0
last-modified
Sun, 07 Mar 2021 00:00:00 GMT
server
Google Tag Manager
strict-transport-security
max-age=31536000; includeSubDomains
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
Sun, 07 Mar 2021 01:52:42 GMT
jquery-3.3.1.slim.min.js
code.jquery.com/ 		68 KB
24 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://code.jquery.com/jquery-3.3.1.slim.min.js
Requested by
Host: ide.cs50.io
URL: https://ide.cs50.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4de0:ac19::1:b:1b , Netherlands, ASN20446 (HIGHWINDS3, US),
Reverse DNS
Software
nginx /
Resource Hash
dde76b9b2b90d30eb97fc81f06caa8c338c97b688cea7d2729c88f529f32fbb1

Request headers

Origin
https://ide.cs50.io
Referer
https://ide.cs50.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Sun, 07 Mar 2021 01:52:42 GMT
content-encoding
gzip
last-modified
Sat, 20 Jan 2018 17:26:44 GMT
server
nginx
etag
W/"5a637bd4-1111d"
vary
Accept-Encoding
x-hw
1615081962.dop220.fr8.t,1615081962.cds280.fr8.hn,1615081962.cds274.fr8.c
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=315360000, public
accept-ranges
bytes
content-length
24038
popper.min.js
cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/ 		21 KB
7 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js
Requested by
Host: ide.cs50.io
URL: https://ide.cs50.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:125e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
66f3a07e1fa9b64a686b66381e4458dbc8abf3dbbff954720c4eec07b84411c2
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

Origin
https://ide.cs50.io
Referer
https://ide.cs50.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Sun, 07 Mar 2021 01:52:42 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"max_age":604800,"report_to":"cf-nel"}
age
874858
cross-origin-resource-policy
cross-origin
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
6646
cf-request-id
08abfc14a00000d7211abbb000000001
timing-allow-origin
*
last-modified
Mon, 04 May 2020 16:15:37 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03fa9-520c"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=15780000
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?s=DMpD818%2BYXLPtOm1p4rbwc1zXtdWqM8eikD1v%2F7nF4mDMRJiWOlKkVzqbUvmC29TSU4BWddr0qUEhgHtmpcPmp241%2FgbjB0tP9fpxClJGISvcqbW60xr3g73nyYj5gLVVQ%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=30672000
accept-ranges
bytes
cf-ray
62c02f9a9bfbd721-FRA
expires
Fri, 25 Feb 2022 01:52:42 GMT
bootstrap.min.js
stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/ 		57 KB
18 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js
Requested by
Host: ide.cs50.io
URL: https://ide.cs50.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:bcf , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
0a34a87842c539c1f4feec56bba982fd596b73500046a6e6fe38a22260c6577b
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload

Request headers

Origin
https://ide.cs50.io
Referer
https://ide.cs50.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Sun, 07 Mar 2021 01:52:42 GMT
content-encoding
gzip
vary
Accept-Encoding
cf-cache-status
HIT
cdn-edgestorageid
632, 617
age
145500
cdn-cachedat
2021-03-04 14:44:02
cdn-pullzone
252412
cross-origin-resource-policy
cross-origin
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
cf-request-id
08abfc14a000001756388ec000000001
timing-allow-origin
*
access-control-allow-origin
*
last-modified
Mon, 25 Jan 2021 22:04:08 GMT
server
cloudflare
cdn-requestpullcode
200
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
application/javascript; charset=utf-8
cdn-cache
HIT
cdn-uid
b1941f61-b576-4f40-80de-5677acb38f74
cache-control
public, max-age=31919000
cdn-requestid
861df909079fad2eea57eefa13608945
cf-ray
62c02f9a98b61756-FRA
cdn-requestcountrycode
DE
cdn-requestpullsuccess
True
all.css
use.fontawesome.com/releases/v5.7.2/css/ 		53 KB
13 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://use.fontawesome.com/releases/v5.7.2/css/all.css
Requested by
Host: ide.cs50.io
URL: https://ide.cs50.io/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
23.111.9.35 , United States, ASN33438 (HIGHWINDS2, US),
Reverse DNS
Software
NetDNA-cache/2.2 /
Resource Hash
9c099acc093abd2df85eaa34052ad36fe69b6ed16582c14aecd2928baa3b63bf

Request headers

Origin
https://ide.cs50.io
Referer
https://ide.cs50.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Sun, 07 Mar 2021 01:52:42 GMT
content-encoding
gzip
last-modified
Tue, 12 Feb 2019 16:48:32 GMT
server
NetDNA-cache/2.2
etag
W/"7b1d7f457d056ace7b230b587b9f3753"
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
ide.png
ide.cs50.io/static/ 		121 KB
121 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://ide.cs50.io/static/ide.png
Requested by
Host: ide.cs50.io
URL: https://ide.cs50.io/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
107.21.13.93 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-107-21-13-93.compute-1.amazonaws.com
Software
nginx/1.17.10 /
Resource Hash
059ffc1052540e5358cc4058e054d7d59d055518f884babc4a745db6d2f05a3f

Request headers

Referer
https://ide.cs50.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Sun, 07 Mar 2021 01:52:42 GMT
last-modified
Sun, 17 Jan 2021 01:16:20 GMT
server
nginx/1.17.10
accept-ranges
bytes
etag
"60038fe4-1e2d9"
content-length
123609
content-type
image/png
script.js
g9mp5m2251ps.statuspage.io/embed/ 		1 KB
1 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://g9mp5m2251ps.statuspage.io/embed/script.js
Requested by
Host: ide.cs50.io
URL: https://ide.cs50.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
52.215.192.131 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-52-215-192-131.eu-west-1.compute.amazonaws.com
Software
/
Resource Hash
2b043d6ae17f58371d572acbd6887de49e5e7079e582e90f1f369a4439aec801
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://ide.cs50.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

strict-transport-security
max-age=259200
content-encoding
gzip
x-content-type-options
nosniff
x-permitted-cross-domain-policies
none
age
397
x-statuspage-skip-logging
true
x-cache
HIT
date
Sun, 07 Mar 2021 01:52:42 GMT
x-statuspage-version
5d61194286ceb9374633214f8becf79e1e15578b
x-xss-protection
1; mode=block
x-request-id
0d3a30fc-87f0-4fc0-bbb5-b51cfc3cf5ed
x-runtime
0.098787
referrer-policy
strict-origin-when-cross-origin
etag
W/"gz[2b043d6ae17f58371d572acbd6887de4]"
x-download-options
noopen
vary
Accept,Accept-Encoding,X-Forwarded-Host,X-Forwarded-Scheme,X-Forwarded-Proto,Fastly-SSL
content-type
text/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=0, private, must-revalidate
accept-ranges
bytes
free.min.css
ka-f.fontawesome.com/releases/v5.15.2/css/ 		59 KB
13 KB 		Fetch
General
Check archive.org
Download Go to
Full URL
https://ka-f.fontawesome.com/releases/v5.15.2/css/free.min.css?token=4c6d6e74d7
Requested by
Host: kit.fontawesome.com
URL: https://kit.fontawesome.com/4c6d6e74d7.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:e6::ac40:ca1c , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8c7bba7deb64ff95e98f7ac8cd0d3b675a4bcf02f302e57edc5a1d6fa3d6cf94

Request headers

Referer
https://ide.cs50.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Sun, 07 Mar 2021 01:52:42 GMT
via
1.1 c1fb60e38be5022a78e4b52bedded7c2.cloudfront.net (CloudFront)
vary
Accept-Encoding
cf-cache-status
HIT
nel
{"report_to":"cf-nel","max_age":604800}
age
4347455
x-cache
Hit from cloudfront
access-control-allow-methods
GET
content-encoding
br
cf-request-id
08abfc14d600004e8bb8181000000001
last-modified
Wed, 13 Jan 2021 18:32:18 GMT
server
cloudflare
etag
W/"4ecc071b77d6b1790fa9fb8a5173f972"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
access-control-max-age
3000
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?s=IIMeP1HaDtnHs2I8YTWWHzpMUlnOv74Su%2FrdN0pm5bkxVJCobPze%2FUYRFJxMbx0mNr7kUb2QfARadwros1EM4Jie691NImzD6NsRywspQ0jWKHnx2pDT3KYlX5HhLHN8eg%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/css
access-control-allow-origin
*
cache-control
max-age=31556926
x-amz-cf-pop
FRA6-C1
cf-ray
62c02f9aeda74e8b-FRA
access-control-allow-headers
fa-kit-token
x-amz-cf-id
1B93Nwnde3qMlpnyfAMOH2_VEspm9Qp80OwQggpIMEv_84w7_h-49w==
free-v4-shims.min.css
ka-f.fontawesome.com/releases/v5.15.2/css/ 		26 KB
5 KB 		Fetch
General
Check archive.org
Download Go to
Full URL
https://ka-f.fontawesome.com/releases/v5.15.2/css/free-v4-shims.min.css?token=4c6d6e74d7
Requested by
Host: kit.fontawesome.com
URL: https://kit.fontawesome.com/4c6d6e74d7.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:e6::ac40:ca1c , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
d7cc3c57f9bda4c6dcb83bb3c19f2f2aa86ecec6274e243cd4ec315ae8e30101

Request headers

Referer
https://ide.cs50.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Sun, 07 Mar 2021 01:52:42 GMT
via
1.1 94faae20b0f122c4555025f52a2fd745.cloudfront.net (CloudFront)
vary
Accept-Encoding
cf-cache-status
HIT
nel
{"report_to":"cf-nel","max_age":604800}
age
4347455
x-cache
Hit from cloudfront
access-control-allow-methods
GET
content-encoding
br
cf-request-id
08abfc14d600004e8b0a18a000000001
last-modified
Wed, 13 Jan 2021 18:32:17 GMT
server
cloudflare
etag
W/"1848e71668f42835079e5fa2af6cf4a8"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
access-control-max-age
3000
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?s=BdlibrFM1Iumj50kp1dZb8bPmmguzZhEm8kH0Vpz27n3IW8%2Bx%2BF4sjKEsPNrfQFzEkPs%2FhVFBf4Ic43mBZReaERXmKo2zdbFEfqlzyK5uNNBDbug46oe%2Fz20Sy9epyvo%2BQ%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/css
access-control-allow-origin
*
cache-control
max-age=31556926
x-amz-cf-pop
FRA6-C1
cf-ray
62c02f9aeda84e8b-FRA
access-control-allow-headers
fa-kit-token
x-amz-cf-id
TOgbfaxniTeEsrssyMJpuonDan73lHTo0p5TJJwyiXxEgWQDtellnA==
analytics.js
www.google-analytics.com/ 		46 KB
19 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=UA-140745682-1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:800::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
0f3be44690ae9914ae3e47b7752e1bdea316f09938e9094f99e0de19ccd8987a
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://ide.cs50.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Fri, 05 Feb 2021 21:33:27 GMT
server
Golfe2
age
6606
date
Sun, 07 Mar 2021 00:02:36 GMT
vary
Accept-Encoding
content-type
text/javascript
cache-control
public, max-age=7200
cross-origin-resource-policy
cross-origin
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
18980
expires
Sun, 07 Mar 2021 02:02:36 GMT
collect
www.google-analytics.com/j/ 		2 B
385 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/j/collect?v=1&_v=j88&a=1950032823&t=pageview&_s=1&dl=https%3A%2F%2Fide.cs50.io%2F&ul=en-us&de=UTF-8&dt=CS50%20IDE&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=IEBAAUABAAAAAC~&jid=352989951&gjid=881487787&cid=1034637700.1615081963&tid=UA-140745682-1&_gid=308302617.1615081963&_r=1&gtm=2ou2o0&z=327539254
Requested by
Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
H3-Q050
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:813::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
de3246094525b21a870fc7d2a67490d0132535c6fa5993755c549f1a9d1bd8af
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://ide.cs50.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
date
Sun, 07 Mar 2021 01:52:42 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://ide.cs50.io
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
2
expires
Fri, 01 Jan 1990 00:00:00 GMT
collect
stats.g.doubleclick.net/j/ 		4 B
87 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=j88&tid=UA-140745682-1&cid=1034637700.1615081963&jid=352989951&gjid=881487787&_gid=308302617.1615081963&_u=IEBAAUAAAAAAAC~&z=1424065514
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
2a00:1450:400c:c1b::9c Brussels, Belgium, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
84e01419bd81f32ac6df0f75f49c604fda9172000a3ae432b3c47b2a6a712d80
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://ide.cs50.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
strict-transport-security
max-age=10886400; includeSubDomains; preload
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
date
Sun, 07 Mar 2021 01:52:42 GMT
content-type
text/plain
access-control-allow-origin
https://ide.cs50.io
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
4
expires
Fri, 01 Jan 1990 00:00:00 GMT
ga-audiences
www.google.com/ads/ 		42 B
107 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google.com/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j88&tid=UA-140745682-1&cid=1034637700.1615081963&jid=352989951&_u=IEBAAUAAAAAAAC~&z=1155970121
Requested by
Host: ide.cs50.io
URL: https://ide.cs50.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:80f::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://ide.cs50.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

pragma
no-cache
date
Sun, 07 Mar 2021 01:52:42 GMT
x-content-type-options
nosniff
server
cafe
timing-allow-origin
*
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
content-type
image/gif
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
ga-audiences
www.google.de/ads/ 		42 B
107 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google.de/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j88&tid=UA-140745682-1&cid=1034637700.1615081963&jid=352989951&_u=IEBAAUAAAAAAAC~&z=1155970121
Requested by
Host: ide.cs50.io
URL: https://ide.cs50.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:809::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://ide.cs50.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

pragma
no-cache
date
Sun, 07 Mar 2021 01:52:42 GMT
x-content-type-options
nosniff
server
cafe
timing-allow-origin
*
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
content-type
image/gif
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
frame
g9mp5m2251ps.statuspage.io/embed/ Frame 6429 		12 KB
4 KB 		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
52.215.192.131 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-52-215-192-131.eu-west-1.compute.amazonaws.com
Software
/
Resource Hash
b51b4c79da055f6911ebebb83c5c972ada82c3351afd16ded70437fc88ddee66
Security Headers
Name Value
Strict-Transport-Security max-age=259200
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

:method
GET
:authority
g9mp5m2251ps.statuspage.io
:scheme
https
:path
/embed/frame
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
sec-fetch-site
cross-site
sec-fetch-mode
navigate
sec-fetch-dest
iframe
referer
https://ide.cs50.io/
accept-encoding
gzip, deflate, br
accept-language
en-US
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
Referer
https://ide.cs50.io/

Response headers

vary
Accept,Accept-Encoding,X-Forwarded-Host,X-Forwarded-Scheme,X-Forwarded-Proto,Fastly-SSL
cache-control
max-age=0, private, must-revalidate
x-cache
HIT
content-type
text/html; charset=utf-8
content-encoding
gzip
strict-transport-security
max-age=259200
date
Sun, 07 Mar 2021 01:52:43 GMT
x-request-id
99439913-ebb8-4357-82a7-9563bdf68913
x-download-options
noopen
x-xss-protection
1; mode=block
x-runtime
0.215134
x-permitted-cross-domain-policies
none
access-control-allow-origin
*
accept-ranges
bytes
x-content-type-options
nosniff
etag
W/"gz[b51b4c79da055f6911ebebb83c5c972a]"
x-statuspage-skip-logging
true
x-statuspage-version
5d61194286ceb9374633214f8becf79e1e15578b
referrer-policy
strict-origin-when-cross-origin
age
143

Verdicts & Comments Add Verdict or Comment

25 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| ontransitionrun object| ontransitionstart object| ontransitioncancel object| cookieStore function| showDirectoryPicker function| showOpenFilePicker function| showSaveFilePicker object| trustedTypes boolean| crossOriginIsolated object| FontAwesomeKitConfig function| gtag object| dataLayer function| $ function| jQuery function| Popper object| bootstrap object| google_tag_manager object| google_tag_data string| GoogleAnalyticsObject function| ga object| gaplugins object| gaGlobal object| gaData function| statusEmbedTest

3 Cookies

Domain/Path Name / Value
.cs50.io/ Name: _gat_gtag_UA_140745682_1
Value: 1
.cs50.io/ Name: _gid
Value: GA1.2.308302617.1615081963
.cs50.io/ Name: _ga
Value: GA1.2.1034637700.1615081963

1 Console Messages

Source Level URL
Text
console-api log URL: https://g9mp5m2251ps.statuspage.io/embed/frame(Line 251)
Message:
You dismissed the flag, but third party cookies are disabled on your browser so the flag will come back the next time you visit the page.

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.

cdnjs.cloudflare.com
code.jquery.com
g9mp5m2251ps.statuspage.io
ide.cs50.io
ka-f.fontawesome.com
kit.fontawesome.com
stackpath.bootstrapcdn.com
stats.g.doubleclick.net
use.fontawesome.com
www.cs50.io
www.google-analytics.com
www.google.com
www.google.de
www.googletagmanager.com
104.198.14.52
107.21.13.93
2001:4de0:ac19::1:b:1b
23.111.9.35
2606:4700::6810:125e
2606:4700::6812:1734
2606:4700::6812:bcf
2606:4700:e6::ac40:ca1c
2a00:1450:4001:800::200e
2a00:1450:4001:809::2003
2a00:1450:4001:80f::2004
2a00:1450:4001:813::2008
2a00:1450:4001:813::200e
2a00:1450:400c:c1b::9c
52.215.192.131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