URL: https://www.coursedl.org/0:/Masterclass/
Submission: On May 24 via manual from US — Scanned from DE

Summary

This website contacted 3 IPs in 1 countries across 2 domains to perform 16 HTTP transactions. The main IP is 2606:4700:3035::6815:31c9, located in United States and belongs to CLOUDFLARENET, US. The main domain is www.coursedl.org.
TLS certificate: Issued by GTS CA 1P5 on April 17th 2023. Valid for: 3 months.
This is the only time www.coursedl.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 10 2606:4700:303... 13335 (CLOUDFLAR...)
7 2606:4700::68... 13335 (CLOUDFLAR...)
16 3
Apex Domain
Subdomains
Transfer
10 coursedl.org
www.coursedl.org
218 KB
7 cloudflare.com
challenges.cloudflare.com — Cisco Umbrella Rank: 6358
209 KB
16 2
Domain Requested by
10 www.coursedl.org 1 redirects www.coursedl.org
7 challenges.cloudflare.com www.coursedl.org
challenges.cloudflare.com
16 2

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

Domain
www.cloudflare.com
Subject Issuer Validity Valid
coursedl.org
GTS CA 1P5
2023-04-17 -
2023-07-16
3 months crt.sh
challenges.cloudflare.com
Cloudflare Inc ECC CA-3
2022-09-18 -
2023-09-17
a year crt.sh

This page contains 2 frames:

Primary Page: https://www.coursedl.org/0:/Masterclass/
Frame ID: 3A42E1185E8BD7BE690E604E29DD24B0
Requests: 12 HTTP requests in this frame

Frame: https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/turnstile/if/ov2/av0/rcv0/0/jp7np/0x4AAAAAAAAjq6WYeRDKmebM/light/normal
Frame ID: 7F9727FBF1362B8ED2FE76224D3523A4
Requests: 6 HTTP requests in this frame

Screenshot

Page Title

Just a moment...

Page Statistics

16
Requests

94 %
HTTPS

100 %
IPv6

2
Domains

2
Subdomains

3
IPs

1
Countries

427 kB
Transfer

745 kB
Size

1
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 4
  • https://www.coursedl.org/favicon.ico HTTP 307
  • https://www.coursedl.org/0:/

16 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
www.coursedl.org/0:/Masterclass/
7 KB
5 KB
Document
General
Full URL
https://www.coursedl.org/0:/Masterclass/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:31c9 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f0d408daa9f472909d925d2493269316e21ce4d025570c693a52a061f83d07a7
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
cache-control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-mitigated
challenge
cf-ray
7cc33bab99b403cd-FRA
content-encoding
br
content-type
text/html; charset=UTF-8
cross-origin-embedder-policy
require-corp
cross-origin-opener-policy
same-origin
cross-origin-resource-policy
same-origin
date
Wed, 24 May 2023 05:45:32 GMT
expires
Thu, 01 Jan 1970 00:00:01 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
permissions-policy
accelerometer=(),autoplay=(),camera=(),clipboard-read=(),clipboard-write=(),fullscreen=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
referrer-policy
same-origin
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=UpHxvxNMlPzOXqzLR0yUaR0H1Hn4D6j4QmDihxiDY9dsyDr4f5cdpWdFNx5bb%2B9Vjw2qhVaCYCgzioyKsf1rA4rzGuH00cYjFzf1ze84SHm%2FzgHcWvW3xzum%2BjbIaeCNTgc8x1VfSgDHGEmHjsyr"}],"group":"cf-nel","max_age":604800}
server
cloudflare
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
challenges.css
www.coursedl.org/cdn-cgi/styles/
6 KB
3 KB
Stylesheet
General
Full URL
https://www.coursedl.org/cdn-cgi/styles/challenges.css
Requested by
Host: www.coursedl.org
URL: https://www.coursedl.org/0:/Masterclass/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:31c9 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2b0bd09c1cc7119d27e45353a59bf6c2721563e1689853ff704057a7439508d2
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.coursedl.org/0:/Masterclass/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Wed, 24 May 2023 05:45:32 GMT
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Fri, 19 May 2023 14:44:50 GMT
server
cloudflare
etag
W/"64678b62-19c8"
x-frame-options
DENY
vary
Accept-Encoding
content-type
text/css
cache-control
max-age=7200, public
cf-ray
7cc33babfa2503cd-FRA
expires
Wed, 24 May 2023 07:45:32 GMT
v1
www.coursedl.org/cdn-cgi/challenge-platform/h/g/orchestrate/managed/
149 KB
54 KB
Script
General
Full URL
https://www.coursedl.org/cdn-cgi/challenge-platform/h/g/orchestrate/managed/v1?ray=7cc33bab99b403cd
Requested by
Host: www.coursedl.org
URL: https://www.coursedl.org/0:/Masterclass/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:31c9 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
d56fdb369112d483871ccd015b4759f93e9e2094c603bedba1e9006ab1a7592c

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.coursedl.org/0:/Masterclass/?__cf_chl_rt_tk=I4cAnjikInLJ72PVDrsjDTLWAa2jDLWoz6D30G8BZZ8-1684907132-0-gaNycGzNCzs
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Wed, 24 May 2023 05:45:32 GMT
content-encoding
br
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=n%2FeNy5a8SvjjERtetpD%2BWKRcoTk4WosJQFxq5F82t9DMp9c9TbWeRRuTkcQEi0sf2y%2FNTzKOo%2B5m5WSWv7Zryw%2F3SYyV6zr7CXrozd4FIvvY3OJpKlPUuGHNcHwT7vESkRmJZWigaW%2B%2BppQENpoK"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=UTF-8
cache-control
max-age=0, must-revalidate
cf-ray
7cc33bac3a7103cd-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
transparent.gif
www.coursedl.org/cdn-cgi/images/trace/managed/js/
42 B
129 B
Image
General
Full URL
https://www.coursedl.org/cdn-cgi/images/trace/managed/js/transparent.gif?ray=7cc33bab99b403cd
Requested by
Host: www.coursedl.org
URL: https://www.coursedl.org/0:/Masterclass/?__cf_chl_rt_tk=I4cAnjikInLJ72PVDrsjDTLWAa2jDLWoz6D30G8BZZ8-1684907132-0-gaNycGzNCzs
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:31c9 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.coursedl.org/0:/Masterclass/?__cf_chl_rt_tk=I4cAnjikInLJ72PVDrsjDTLWAa2jDLWoz6D30G8BZZ8-1684907132-0-gaNycGzNCzs
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Wed, 24 May 2023 05:45:32 GMT
x-content-type-options
nosniff
last-modified
Fri, 19 May 2023 14:44:50 GMT
server
cloudflare
etag
"64678b62-2a"
x-frame-options
DENY
vary
Accept-Encoding
content-type
image/gif
cache-control
max-age=7200, public
accept-ranges
bytes
cf-ray
7cc33bac3a7203cd-FRA
content-length
42
expires
Wed, 24 May 2023 07:45:32 GMT
api.js
challenges.cloudflare.com/turnstile/v0/g/7fe8adc8/
15 KB
5 KB
Script
General
Full URL
https://challenges.cloudflare.com/turnstile/v0/g/7fe8adc8/api.js?onload=_cf_chl_turnstile_l&render=explicit
Requested by
Host: www.coursedl.org
URL: https://www.coursedl.org/cdn-cgi/challenge-platform/h/g/orchestrate/managed/v1?ray=7cc33bab99b403cd
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:6b9 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
51957b7f445f96a4f027db0a264c33904aaa9cd1ef944148008e41d54d4f8f0c

Request headers

Referer
Origin
https://www.coursedl.org
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Wed, 24 May 2023 05:45:33 GMT
content-encoding
br
server
cloudflare
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
max-age=31536000
cf-ray
7cc33bad1d5903ac-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
/
www.coursedl.org/0:/
Redirect Chain
  • https://www.coursedl.org/favicon.ico
  • https://www.coursedl.org/0:/
7 KB
7 KB
Image
General
Full URL
https://www.coursedl.org/0:/
Requested by
Host: www.coursedl.org
URL: https://www.coursedl.org/0:/Masterclass/
Protocol
H3
Server
2606:4700:3035::6815:31c9 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ed20974836f1f60fb4d8351b1de33edab3e1ff814778775d5c23d1ec67abff0f
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.coursedl.org/0:/Masterclass/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Wed, 24 May 2023 05:45:33 GMT
content-encoding
br
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cross-origin-embedder-policy
require-corp
cross-origin-resource-policy
same-origin
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
referrer-policy
same-origin
server
cloudflare
cross-origin-opener-policy
same-origin
cf-mitigated
challenge
x-frame-options
SAMEORIGIN
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=aGIB%2BDn93IegcOmKrP8PM8eyop4XqeRwRwSCb%2BNX4cxQFN7yqncMdGyMrBeTcVe1BWsaeOZUty%2BapCGWFPlqAVrzk1wlvOepWXWulWLPo%2BcQFMT3CMpk%2Fricr7M6Ogp2GHNbZXaFB6Q1NCzNAzu8"}],"group":"cf-nel","max_age":604800}
content-type
text/html; charset=UTF-8
vary
Accept-Encoding
cache-control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
permissions-policy
accelerometer=(),autoplay=(),camera=(),clipboard-read=(),clipboard-write=(),fullscreen=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
cf-ray
7cc33bb228035c26-FRA
priority
u=1,i
expires
Thu, 01 Jan 1970 00:00:01 GMT

Redirect headers

date
Wed, 24 May 2023 05:45:33 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=wzLOtpfhPjjOAjL1RZBTzV38oInm5xsbPrXooed1rbdC8nMh5v7%2Bkm%2FZLBqeOHngFVfUbkn%2FlqTcjGVJDuNo0vciiZWHRDkMkelMWuWsws0mk6kfRl%2F62vtIEZHgPEgTSpYgnFknQMUVqn%2FQ8riv"}],"group":"cf-nel","max_age":604800}
content-type
text/plain;charset=UTF-8
location
https://www.coursedl.org/0:/
cf-ray
7cc33bac99a95c26-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
0
priority
u=3,i
truncated
/
586 B
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
fc95732d9ff3b17fcb3e64fd12c0d451c38e64e1a4b420c556a7feb756a0a3fa

Request headers

accept-language
de-DE,de;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

Content-Type
image/png
be051c816cce319
www.coursedl.org/cdn-cgi/challenge-platform/h/g/flow/ov1/841331776:1684906424:oxvkaq2G4Znq1sawtn_NCMFmKNusFvaWn7zk3fIQfKI/7cc33bab99b403cd/
189 KB
142 KB
XHR
General
Full URL
https://www.coursedl.org/cdn-cgi/challenge-platform/h/g/flow/ov1/841331776:1684906424:oxvkaq2G4Znq1sawtn_NCMFmKNusFvaWn7zk3fIQfKI/7cc33bab99b403cd/be051c816cce319
Requested by
Host: www.coursedl.org
URL: https://www.coursedl.org/cdn-cgi/challenge-platform/h/g/orchestrate/managed/v1?ray=7cc33bab99b403cd
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3035::6815:31c9 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
b21104cedcb51140c915dd3ce549fcc686e1c1166abd188d6191f75aaa6cab0f

Request headers

Referer
https://www.coursedl.org/0:/Masterclass/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36
CF-Challenge
be051c816cce319
Content-type
application/x-www-form-urlencoded

Response headers

date
Wed, 24 May 2023 05:45:33 GMT
content-encoding
br
cf_chl_gen
JnInOcPNtHHPe6q4BxShbmw1mKXeesSL6/NldKq8N+bzLfDWqNi6TMMYjmOlfKLbqHihgsXZEIzCjTiML1OMgh95l1ByFU7JMP62rBE1H2Ym20nnUHM/1RC83akVo7Rkv4UxHhni2EfoYbrfH4pgy+XcNJtuJEKT5G5WpZ8yDfyiyjhKQyfk3Nw+1kwtUHZJV1q1YUuSenPUjmKXbW8+gq81t2mUob2c6i+41B+qjJzYDZWqVn8T7OFzAwMgqufLhSMQf20JFlZY51kqXcCnjcjHWEzo+8evcEISl/xOoe8y+vrEKUe53LG54Fnpa94AFYAmpXscB4WN2IyiPZ3wWZ/CN+RyJoOmVUTV3YNW7FswoE+K9xlcqYsSBWrFovN8dY+Oxk2aZWLDPR02Tbxubw==$RI4hdXNgokNxLslqOX6LAA==
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=uwNUATZwyXQRDPq8mG4woBgUMKoyFy7O4PVqWiDx%2Bb5vO6ymXKyeQ1b2Aj0mktglRvzbOe96EOCmcCN2%2Bu9Eij0P7oXIOMRCS5KyNzZ%2FFpUmkAcbl6Se%2FyrKxO5%2BBkQznLjbFbc%2FTQNlclwCMXBR"}],"group":"cf-nel","max_age":604800}
content-type
text/plain; charset=UTF-8
cf-ray
7cc33bad5a665c26-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
priority
u=1,i
30Qh0VxHIS8w09c
www.coursedl.org/cdn-cgi/challenge-platform/h/g/pat/7cc33bab99b403cd/1684907133029/ac1f09a37b07f976f724e6a5c09f6282b80c975b1020a0b98883accd3a0fa82c/
1 B
932 B
Fetch
General
Full URL
https://www.coursedl.org/cdn-cgi/challenge-platform/h/g/pat/7cc33bab99b403cd/1684907133029/ac1f09a37b07f976f724e6a5c09f6282b80c975b1020a0b98883accd3a0fa82c/30Qh0VxHIS8w09c
Requested by
Host: www.coursedl.org
URL: https://www.coursedl.org/cdn-cgi/challenge-platform/h/g/orchestrate/managed/v1?ray=7cc33bab99b403cd
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3035::6815:31c9 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
6da43b944e494e885e69af021f93c6d9331c78aa228084711429160a5bbd15b5

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.coursedl.org/0:/Masterclass/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Wed, 24 May 2023 05:45:33 GMT
www-authenticate
PrivateToken challenge=AAIAGXBhdC1pc3N1ZXIuY2xvdWRmbGFyZS5jb20grB8Jo3sH-Xb3JOalwJ9igrgMl1sQIKC5iIOszToPqCwAEHd3dy5jb3Vyc2VkbC5vcmc=, token-key=MIIBUjA9BgkqhkiG9w0BAQowMKANMAsGCWCGSAFlAwQCAqEaMBgGCSqGSIb3DQEBCDALBglghkgBZQMEAgKiAwIBMAOCAQ8AMIIBCgKCAQEArTdvs2-VOeG1gRYSu6le9W8rphJ9hC05duH2SoyJxZcID7eB4pDegSJtNqv3OQbpK4Q95bHTqsH89BCAXLJI-Vt7ySrpRthX6rEPu-Vj7WesutfG-4HKj1HyDTGqAY6a7ewvPAO1MgMa2r1_gzOPEXZzJhEKT6UdIT2kff2r_Ykjw0jlNmXk5cDvIskrZ85GVfUW-rn9g1PLXw9OFhNDD6DD2EiFfNdypws_NYvMuOAHcmAxJlEJcf3CR8kfcZax5XW2G8thhT80V0huiKzfxYVtQL5b4HVbTcNvo9O7UCIklef8agJz95n7nyDUn68MLaxbYGJ0kAASzeN5eEb55QIDAQAB, max-age=20
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=hucuvU99Zex5EU76ohXUzGSrQYCJOzq0KN4xtLY1Jd%2FoXnlBk4JjjIdDOSQ6ikz0sEU306hU1BrpDpb7vmx1pstQsoatRsi0nJE5j3QyhvKyolgUzNQkYlh7HqbPXXRCuOlB%2F8GPMEzLq9Mu%2BA7N"}],"group":"cf-nel","max_age":604800}
content-type
text/plain; charset=UTF-8
cf-ray
7cc33bb228015c26-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
priority
u=1,i
HlJCUjCd_QBTxMW
www.coursedl.org/cdn-cgi/challenge-platform/h/g/img/7cc33bab99b403cd/1684907133031/
61 B
457 B
Image
General
Full URL
https://www.coursedl.org/cdn-cgi/challenge-platform/h/g/img/7cc33bab99b403cd/1684907133031/HlJCUjCd_QBTxMW
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3035::6815:31c9 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a4214e31bff97491091b26636d420a0643c72a73670bafac087031cda5d3438f

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.coursedl.org/0:/Masterclass/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Wed, 24 May 2023 05:45:35 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=JzkZ173yh00QBReRnfzJgkTjJPd0dCIjbct3BnOPsRlhArKOGqHuhpIpeLqlYoUnEf2VA5VeJgYlUcRNoiLlZaNUcVT0AnA0R4MwZoPtih0vjua9X41oP3jM7I4nxNeJeea9xVJTMybpPjkKKw1a"}],"group":"cf-nel","max_age":604800}
content-type
image/png
cf-ray
7cc33bba79de5c26-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
priority
u=3,i
be051c816cce319
www.coursedl.org/cdn-cgi/challenge-platform/h/g/flow/ov1/841331776:1684906424:oxvkaq2G4Znq1sawtn_NCMFmKNusFvaWn7zk3fIQfKI/7cc33bab99b403cd/
8 KB
6 KB
XHR
General
Full URL
https://www.coursedl.org/cdn-cgi/challenge-platform/h/g/flow/ov1/841331776:1684906424:oxvkaq2G4Znq1sawtn_NCMFmKNusFvaWn7zk3fIQfKI/7cc33bab99b403cd/be051c816cce319
Requested by
Host: www.coursedl.org
URL: https://www.coursedl.org/cdn-cgi/challenge-platform/h/g/orchestrate/managed/v1?ray=7cc33bab99b403cd
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3035::6815:31c9 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7a4304a84fafc715fc73b1441cd0477ddf4b681d147dc5957833c3f8a9a003db

Request headers

Referer
https://www.coursedl.org/0:/Masterclass/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36
CF-Challenge
be051c816cce319
Content-type
application/x-www-form-urlencoded

Response headers

date
Wed, 24 May 2023 05:45:35 GMT
content-encoding
br
cf_chl_gen
7ZROu5DDGbgL3khAH22ITxzBENEgRf8rZTRRIyDwmNb2ubbyxMRKadCVGgMJaceR$JD6eODaKLSfDgr5Di+kFcQ==
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=4%2FEZ9S3PlI1AcOai6%2FJiYc7xOwbo%2BAb3hcWwIueyNcUOy5wpREAaOdC5WAUOLJG6NEl2RDtYNuhrIhdtWXgAIR%2Fx6apKhfEMNjAKI9moziNQ7qv9J%2BIPk%2BAMioVNs2mJc2h6qDtjnuLx%2FqaJild9"}],"group":"cf-nel","max_age":604800}
content-type
text/plain; charset=UTF-8
cf-ray
7cc33bbc9c4c5c26-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
priority
u=1,i
normal
challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/turnstile/if/ov2/av0/rcv0/0/jp7np/0x4AAAAAAAAjq6WYeRDKmebM/light/ Frame 7F97
22 KB
7 KB
Document
General
Full URL
https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/turnstile/if/ov2/av0/rcv0/0/jp7np/0x4AAAAAAAAjq6WYeRDKmebM/light/normal
Requested by
Host: challenges.cloudflare.com
URL: https://challenges.cloudflare.com/turnstile/v0/g/7fe8adc8/api.js?onload=_cf_chl_turnstile_l&render=explicit
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:6b9 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
c8267afea5a2fe2342e041ce4aa9e8bcee8e0d97df0578b45c7a357b063e65c8

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
cache-control
max-age=0, must-revalidate
cf-ray
7cc33bbd6ace996f-FRA
content-encoding
br
content-type
text/html; charset=UTF-8
cross-origin-embedder-policy
require-corp
cross-origin-opener-policy
same-origin
cross-origin-resource-policy
cross-origin
date
Wed, 24 May 2023 05:45:35 GMT
document-policy
js-profiling
permissions-policy
accelerometer=(),autoplay=(),camera=(),clipboard-read=(),clipboard-write=(),fullscreen=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
referrer-policy
same-origin
server
cloudflare
truncated
/
187 B
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
4ddc1e33de02a96249bf85fc7b16e669317a81d8e2fc403ddb1ded6c465dd578

Request headers

accept-language
de-DE,de;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

Content-Type
image/png
v1
challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/orchestrate/chl_api/ Frame 7F97
156 KB
56 KB
Script
General
Full URL
https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/orchestrate/chl_api/v1?ray=7cc33bbd6ace996f
Requested by
Host: challenges.cloudflare.com
URL: https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/turnstile/if/ov2/av0/rcv0/0/jp7np/0x4AAAAAAAAjq6WYeRDKmebM/light/normal
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:6b9 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
67ed09a3c1db50ca0dbe36c07f4caa0b58a9560c20de83e8d8297ba855fa3a24

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/turnstile/if/ov2/av0/rcv0/0/jp7np/0x4AAAAAAAAjq6WYeRDKmebM/light/normal
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Wed, 24 May 2023 05:45:35 GMT
cache-control
max-age=0, must-revalidate
content-encoding
br
server
cloudflare
cf-ray
7cc33bbe2b70996f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-type
application/javascript; charset=UTF-8
97e349db2ca3a51
challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/flow/ov1/323739798:1684906464:L-d43qq7627k0rTlzbjDsqulxf3h97hzWgGOTgsTxrk/7cc33bbd6ace996f/ Frame 7F97
171 KB
129 KB
XHR
General
Full URL
https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/flow/ov1/323739798:1684906464:L-d43qq7627k0rTlzbjDsqulxf3h97hzWgGOTgsTxrk/7cc33bbd6ace996f/97e349db2ca3a51
Requested by
Host: challenges.cloudflare.com
URL: https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/orchestrate/chl_api/v1?ray=7cc33bbd6ace996f
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:6b9 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
32b5a60ebd359dd74b9ba1c21f0f9873cc6e9f91343dc2ed2b9f2480e285341f

Request headers

Referer
https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/turnstile/if/ov2/av0/rcv0/0/jp7np/0x4AAAAAAAAjq6WYeRDKmebM/light/normal
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36
CF-Challenge
97e349db2ca3a51
Content-type
application/x-www-form-urlencoded

Response headers

date
Wed, 24 May 2023 05:45:36 GMT
content-encoding
br
cf_chl_gen
tUCUQQ2kg6VmOP03sgqTi9gef8Q9GhJDB9K0YqJQl2jS00HkMnej6fyv5/A8sInMN1m6SxzWkgIslb1hH/BNuomwZT53V5FPKigm8BYqHHfoBu4RbY5VJAO4BMCXoxPkEqbWe7tkYK6RiuWdm9vnxdbODVO59A3nbejCjUWjALwzHqQMz1DK6cZv/igYWzW45edTtHILoJ0ib43fQhWhPm0SsXritY1AmPIAGDXpidD7LSNiLeojuPTBIj+fI5IEmhFW2rkwKNbLE3kbv4QL4jNje3cCiGZpg5riTCoat15SPZmA8lpvIiNISsT41XayRkYmRvv6CPu9BxnaAj3umjXcsF6FGhxB4Wd93XrwUwVaAcswzRd8ZYASFQtVCKBuaowZu++MSb0gb+96mS3Qv4m/EyDXIlx4pO6K4qEJBs7DQ8ev/kyGDMnG3GWxj6XKBg+cdYLITMaliqqj+c2E6A==$0f0aDsM3zfGSJuHLlEp7ZA==
server
cloudflare
cf-ray
7cc33bbf8caa996f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-type
text/plain; charset=UTF-8
AE5t27quSyBrO39
challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/pat/7cc33bbd6ace996f/1684907135939/400f7874ec97880d4b6b37c6394b73dfea161c245192f1658b22196d8bd011d4/ Frame 7F97
1 B
648 B
Fetch
General
Full URL
https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/pat/7cc33bbd6ace996f/1684907135939/400f7874ec97880d4b6b37c6394b73dfea161c245192f1658b22196d8bd011d4/AE5t27quSyBrO39
Requested by
Host: challenges.cloudflare.com
URL: https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/orchestrate/chl_api/v1?ray=7cc33bbd6ace996f
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:6b9 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
6da43b944e494e885e69af021f93c6d9331c78aa228084711429160a5bbd15b5

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/turnstile/if/ov2/av0/rcv0/0/jp7np/0x4AAAAAAAAjq6WYeRDKmebM/light/normal
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Wed, 24 May 2023 05:45:37 GMT
www-authenticate
PrivateToken challenge=AAIAGXBhdC1pc3N1ZXIuY2xvdWRmbGFyZS5jb20gQA94dOyXiA1LazfGOUtz3-oWHCRRkvFliyIZbYvQEdQAGWNoYWxsZW5nZXMuY2xvdWRmbGFyZS5jb20=, token-key=MIIBUjA9BgkqhkiG9w0BAQowMKANMAsGCWCGSAFlAwQCAqEaMBgGCSqGSIb3DQEBCDALBglghkgBZQMEAgKiAwIBMAOCAQ8AMIIBCgKCAQEArTdvs2-VOeG1gRYSu6le9W8rphJ9hC05duH2SoyJxZcID7eB4pDegSJtNqv3OQbpK4Q95bHTqsH89BCAXLJI-Vt7ySrpRthX6rEPu-Vj7WesutfG-4HKj1HyDTGqAY6a7ewvPAO1MgMa2r1_gzOPEXZzJhEKT6UdIT2kff2r_Ykjw0jlNmXk5cDvIskrZ85GVfUW-rn9g1PLXw9OFhNDD6DD2EiFfNdypws_NYvMuOAHcmAxJlEJcf3CR8kfcZax5XW2G8thhT80V0huiKzfxYVtQL5b4HVbTcNvo9O7UCIklef8agJz95n7nyDUn68MLaxbYGJ0kAASzeN5eEb55QIDAQAB, max-age=20
server
cloudflare
cf-ray
7cc33bc67b03996f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-type
text/plain; charset=UTF-8
FIs5daCRYcBVEHo
challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/img/7cc33bbd6ace996f/1684907135940/ Frame 7F97
61 B
167 B
Image
General
Full URL
https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/img/7cc33bbd6ace996f/1684907135940/FIs5daCRYcBVEHo
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:6b9 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
d1083b196e8bace395c84f7aef124a9a2766a2c102e80c5f2513d0d01f1a81a6

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/turnstile/if/ov2/av0/rcv0/0/jp7np/0x4AAAAAAAAjq6WYeRDKmebM/light/normal
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Wed, 24 May 2023 05:45:37 GMT
server
cloudflare
cf-ray
7cc33bc89cb0996f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-type
image/png
97e349db2ca3a51
challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/flow/ov1/323739798:1684906464:L-d43qq7627k0rTlzbjDsqulxf3h97hzWgGOTgsTxrk/7cc33bbd6ace996f/ Frame 7F97
13 KB
10 KB
XHR
General
Full URL
https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/flow/ov1/323739798:1684906464:L-d43qq7627k0rTlzbjDsqulxf3h97hzWgGOTgsTxrk/7cc33bbd6ace996f/97e349db2ca3a51
Requested by
Host: challenges.cloudflare.com
URL: https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/orchestrate/chl_api/v1?ray=7cc33bbd6ace996f
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:6b9 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash

Request headers

Referer
https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/turnstile/if/ov2/av0/rcv0/0/jp7np/0x4AAAAAAAAjq6WYeRDKmebM/light/normal
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36
CF-Challenge
97e349db2ca3a51
Content-type
application/x-www-form-urlencoded

Response headers

date
Wed, 24 May 2023 05:45:38 GMT
content-encoding
br
cf_chl_gen
vRamcWcZGUGMq+MdPE8lXneJiHHKXm7APV2VL+7PbTf51rf88h6i3W6Dx7mlB9TR$q9f62NlVWEbYQWs2G8Wehw==
server
cloudflare
cf-ray
7cc33bcd99b5996f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-type
text/plain; charset=UTF-8

Verdicts & Comments Add Verdict or Comment

15 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 boolean| credentialless object| _cf_chl_opt function| _cf_chl_turnstile_l function| _cf_chl_preload function| _cf_chl_enter boolean| _cf_chl_done_ran function| _cf_chl_done function| SHA256 function| sendRequest object| _cf_chl_ctx string| prefix object| turnstile boolean| _cf_chl_turnstile_loaded undefined| _cf_gcr

1 Cookies

Domain/Path Name / Value
www.coursedl.org/ Name: cf_chl_2
Value: be051c816cce319

6 Console Messages

Source Level URL
Text
security warning
Message:
Error with Permissions-Policy header: Origin trial controlled feature not enabled: 'interest-cohort'.
network error URL: https://www.coursedl.org/0:/Masterclass/
Message:
Failed to load resource: the server responded with a status of 403 ()
network error URL: https://www.coursedl.org/0:/
Message:
Failed to load resource: the server responded with a status of 403 ()
network error URL: https://www.coursedl.org/cdn-cgi/challenge-platform/h/g/pat/7cc33bab99b403cd/1684907133029/ac1f09a37b07f976f724e6a5c09f6282b80c975b1020a0b98883accd3a0fa82c/30Qh0VxHIS8w09c
Message:
Failed to load resource: the server responded with a status of 401 ()
security warning
Message:
Error with Permissions-Policy header: Origin trial controlled feature not enabled: 'interest-cohort'.
network error URL: https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/pat/7cc33bbd6ace996f/1684907135939/400f7874ec97880d4b6b37c6394b73dfea161c245192f1658b22196d8bd011d4/AE5t27quSyBrO39
Message:
Failed to load resource: the server responded with a status of 401 ()

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
X-Frame-Options SAMEORIGIN