Submitted URL: http://ctf.defsec.club/
Effective URL: https://ctf.defsec.club/
Submission: On October 20 via api from US — Scanned from DE

Summary

This website contacted 1 IPs in 1 countries across 1 domains to perform 14 HTTP transactions. The main IP is 138.247.12.102, located in United States and belongs to DSU, US. The main domain is ctf.defsec.club.
TLS certificate: Issued by R3 on October 17th 2023. Valid for: 3 months.
This is the only time ctf.defsec.club was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 15 138.247.12.102 23122 (DSU)
14 1
Apex Domain
Subdomains
Transfer
15 defsec.club
ctf.defsec.club
2 MB
14 1
Domain Requested by
15 ctf.defsec.club 1 redirects ctf.defsec.club
14 1

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

Domain
ctfd.io
Subject Issuer Validity Valid
ctf.defsec.club
R3
2023-10-17 -
2024-01-15
3 months crt.sh

This page contains 1 frames:

Primary Page: https://ctf.defsec.club/
Frame ID: 8972E99172444C9A7E87C877D922E926
Requests: 14 HTTP requests in this frame

Screenshot

Page Title

DSU CTF

Page URL History Show full URLs

  1. http://ctf.defsec.club/ HTTP 301
    https://ctf.defsec.club/ Page URL

Page Statistics

14
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

1893 kB
Transfer

1895 kB
Size

1
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://ctf.defsec.club/ HTTP 301
    https://ctf.defsec.club/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

14 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
ctf.defsec.club/
Redirect Chain
  • http://ctf.defsec.club/
  • https://ctf.defsec.club/
5 KB
2 KB
Document
General
Full URL
https://ctf.defsec.club/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
138.247.12.102 , United States, ASN23122 (DSU, US),
Reverse DNS
Software
nginx /
Resource Hash
caa2c616d630518514dea6162a15fe4647e89dc8a9622f8f890164922dbd68d1

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.5993.88 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

Connection
keep-alive
Content-Encoding
gzip
Content-Type
text/html; charset=utf-8
Date
Fri, 20 Oct 2023 00:57:10 GMT
Server
nginx
Transfer-Encoding
chunked

Redirect headers

Connection
keep-alive
Content-Length
162
Content-Type
text/html
Date
Fri, 20 Oct 2023 00:57:09 GMT
Location
https://ctf.defsec.club/
Server
nginx
fonts.min.css
ctf.defsec.club/themes/core/static/css/
62 KB
62 KB
Stylesheet
General
Full URL
https://ctf.defsec.club/themes/core/static/css/fonts.min.css?d=9a31f3cb
Requested by
Host: ctf.defsec.club
URL: https://ctf.defsec.club/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
138.247.12.102 , United States, ASN23122 (DSU, US),
Reverse DNS
Software
nginx /
Resource Hash
e248a0eee8534351a32e6365ee9f4989f57a6aed5d5a7c3fc67ea0f0466ebf1f

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://ctf.defsec.club/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.5993.88 Safari/537.36

Response headers

Date
Fri, 20 Oct 2023 00:57:10 GMT
Last-Modified
Fri, 07 Jul 2023 01:36:51 GMT
Server
nginx
ETag
"1688693811.3485317-63287-3419476577"
Content-Type
text/css; charset=utf-8
Cache-Control
no-cache
Content-Disposition
inline; filename=fonts.min.css
Connection
keep-alive
Content-Length
63287
main.min.css
ctf.defsec.club/themes/core/static/css/
149 KB
150 KB
Stylesheet
General
Full URL
https://ctf.defsec.club/themes/core/static/css/main.min.css?d=9a31f3cb
Requested by
Host: ctf.defsec.club
URL: https://ctf.defsec.club/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
138.247.12.102 , United States, ASN23122 (DSU, US),
Reverse DNS
Software
nginx /
Resource Hash
c2ac61240d15bf200782d9405d8fc95e4a6a5861867f172749ec32f58186574b

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://ctf.defsec.club/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.5993.88 Safari/537.36

Response headers

Date
Fri, 20 Oct 2023 00:57:11 GMT
Last-Modified
Fri, 07 Jul 2023 01:36:51 GMT
Server
nginx
ETag
"1688693811.3525317-153060-3088257500"
Content-Type
text/css; charset=utf-8
Cache-Control
no-cache
Content-Disposition
inline; filename=main.min.css
Connection
keep-alive
Content-Length
153060
core.min.css
ctf.defsec.club/themes/core/static/css/
846 B
1 KB
Stylesheet
General
Full URL
https://ctf.defsec.club/themes/core/static/css/core.min.css?d=9a31f3cb
Requested by
Host: ctf.defsec.club
URL: https://ctf.defsec.club/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
138.247.12.102 , United States, ASN23122 (DSU, US),
Reverse DNS
Software
nginx /
Resource Hash
5f68e8a68e91f7dde591eea4c0a52f400b96fb0437fdb6fc0ca09a8429cdd29e

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://ctf.defsec.club/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.5993.88 Safari/537.36

Response headers

Date
Fri, 20 Oct 2023 00:57:11 GMT
Last-Modified
Fri, 07 Jul 2023 01:36:51 GMT
Server
nginx
ETag
"1688693811.3485317-846-3091075552"
Content-Type
text/css; charset=utf-8
Cache-Control
no-cache
Content-Disposition
inline; filename=core.min.css
Connection
keep-alive
Content-Length
846
ccicon.svg
ctf.defsec.club/files/5bf7c0cc1b6bbb4086dd571eed12f6e0/
2 KB
2 KB
Image
General
Full URL
https://ctf.defsec.club/files/5bf7c0cc1b6bbb4086dd571eed12f6e0/ccicon.svg
Requested by
Host: ctf.defsec.club
URL: https://ctf.defsec.club/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
138.247.12.102 , United States, ASN23122 (DSU, US),
Reverse DNS
Software
nginx /
Resource Hash
011def03bd118e070b5b04263ac61c370efea52d78a634c7c0264f9ee97ab2d5

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://ctf.defsec.club/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.5993.88 Safari/537.36

Response headers

Date
Fri, 20 Oct 2023 00:57:11 GMT
Last-Modified
Fri, 07 Jul 2023 14:23:28 GMT
Server
nginx
ETag
"1688739808.889059-1546-247009888"
Content-Type
image/svg+xml; charset=utf-8
Cache-Control
no-cache
Content-Disposition
attachment; filename=ccicon.svg
Connection
keep-alive
Content-Length
1546
CTF_Club_Logo.png
ctf.defsec.club/files/02bcfd1241ae968bfd80fe71780c86b2/
107 KB
107 KB
Image
General
Full URL
https://ctf.defsec.club/files/02bcfd1241ae968bfd80fe71780c86b2/CTF_Club_Logo.png
Requested by
Host: ctf.defsec.club
URL: https://ctf.defsec.club/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
138.247.12.102 , United States, ASN23122 (DSU, US),
Reverse DNS
Software
nginx /
Resource Hash
c554bc888f07549d2980379cc47b83b4820a7b1b151611e581f6b9b228496b1b

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://ctf.defsec.club/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.5993.88 Safari/537.36

Response headers

Date
Fri, 20 Oct 2023 00:57:11 GMT
Last-Modified
Thu, 31 Aug 2023 03:08:17 GMT
Server
nginx
ETag
"1693451297.2524989-109625-2177569812"
Content-Type
image/png
Cache-Control
no-cache
Content-Disposition
attachment; filename=CTF_Club_Logo.png
Connection
keep-alive
Content-Length
109625
vendor.bundle.min.js
ctf.defsec.club/themes/core/static/js/
1 MB
1 MB
Script
General
Full URL
https://ctf.defsec.club/themes/core/static/js/vendor.bundle.min.js?d=9a31f3cb
Requested by
Host: ctf.defsec.club
URL: https://ctf.defsec.club/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
138.247.12.102 , United States, ASN23122 (DSU, US),
Reverse DNS
Software
nginx /
Resource Hash
c59861a485d56b761945c78601a3dafba4dea56e11ee62a8104356b68bb068b9

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://ctf.defsec.club/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.5993.88 Safari/537.36

Response headers

Date
Fri, 20 Oct 2023 00:57:11 GMT
Last-Modified
Fri, 07 Jul 2023 01:36:51 GMT
Server
nginx
ETag
"1688693811.5125318-1428635-1104155797"
Content-Type
application/javascript; charset=utf-8
Cache-Control
no-cache
Content-Disposition
inline; filename=vendor.bundle.min.js
Connection
keep-alive
Content-Length
1428635
core.min.js
ctf.defsec.club/themes/core/static/js/
0
330 B
Script
General
Full URL
https://ctf.defsec.club/themes/core/static/js/core.min.js?d=9a31f3cb
Requested by
Host: ctf.defsec.club
URL: https://ctf.defsec.club/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
138.247.12.102 , United States, ASN23122 (DSU, US),
Reverse DNS
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://ctf.defsec.club/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.5993.88 Safari/537.36

Response headers

Date
Fri, 20 Oct 2023 00:57:11 GMT
Last-Modified
Fri, 07 Jul 2023 01:36:51 GMT
Server
nginx
ETag
"1688693811.4245317-0-2487947528"
Content-Type
application/javascript; charset=utf-8
Cache-Control
no-cache
Content-Disposition
inline; filename=core.min.js
Connection
keep-alive
Content-Length
0
helpers.min.js
ctf.defsec.club/themes/core/static/js/
5 KB
6 KB
Script
General
Full URL
https://ctf.defsec.club/themes/core/static/js/helpers.min.js?d=9a31f3cb
Requested by
Host: ctf.defsec.club
URL: https://ctf.defsec.club/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
138.247.12.102 , United States, ASN23122 (DSU, US),
Reverse DNS
Software
nginx /
Resource Hash
190c305310e75468d8ae612321b25353c6a4f8a2cab598f77b6402ad0b1b4f7f

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://ctf.defsec.club/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.5993.88 Safari/537.36

Response headers

Date
Fri, 20 Oct 2023 00:57:11 GMT
Last-Modified
Fri, 07 Jul 2023 01:36:51 GMT
Server
nginx
ETag
"1688693811.4405317-5399-3412922962"
Content-Type
application/javascript; charset=utf-8
Cache-Control
no-cache
Content-Disposition
inline; filename=helpers.min.js
Connection
keep-alive
Content-Length
5399
main.min.js
ctf.defsec.club/themes/core/static/js/pages/
50 KB
51 KB
Script
General
Full URL
https://ctf.defsec.club/themes/core/static/js/pages/main.min.js?d=9a31f3cb
Requested by
Host: ctf.defsec.club
URL: https://ctf.defsec.club/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
138.247.12.102 , United States, ASN23122 (DSU, US),
Reverse DNS
Software
nginx /
Resource Hash
37a701126b35cdbfdb2777ca6844f22eba37640e51fd5d5d9e4bff4fd8f29baa

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://ctf.defsec.club/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.5993.88 Safari/537.36

Response headers

Date
Fri, 20 Oct 2023 00:57:11 GMT
Last-Modified
Fri, 07 Jul 2023 01:36:51 GMT
Server
nginx
ETag
"1688693811.4445317-51618-43586371"
Content-Type
application/javascript; charset=utf-8
Cache-Control
no-cache
Content-Disposition
inline; filename=main.min.js
Connection
keep-alive
Content-Length
51618
lato-latin-400.woff2
ctf.defsec.club/themes/core/static/fonts/
23 KB
23 KB
Font
General
Full URL
https://ctf.defsec.club/themes/core/static/fonts/lato-latin-400.woff2
Requested by
Host: ctf.defsec.club
URL: https://ctf.defsec.club/themes/core/static/css/fonts.min.css?d=9a31f3cb
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
138.247.12.102 , United States, ASN23122 (DSU, US),
Reverse DNS
Software
nginx /
Resource Hash
c3c0d3f472358aac78455515c4800771426770c22698e2486d39fdb5505634e1

Request headers

Referer
https://ctf.defsec.club/themes/core/static/css/fonts.min.css?d=9a31f3cb
Origin
https://ctf.defsec.club
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/118.0.5993.88 Safari/537.36

Response headers

Date
Fri, 20 Oct 2023 00:57:12 GMT
Last-Modified
Fri, 07 Jul 2023 01:36:51 GMT
Server
nginx
ETag
"1688693811.3965316-23484-2112820471"
Content-Type
application/octet-stream
Cache-Control
no-cache
Content-Disposition
inline; filename=lato-latin-400.woff2
Connection
keep-alive
Content-Length
23484
fa-solid-900.woff2
ctf.defsec.club/themes/core/static/fonts/
78 KB
79 KB
Font
General
Full URL
https://ctf.defsec.club/themes/core/static/fonts/fa-solid-900.woff2
Requested by
Host: ctf.defsec.club
URL: https://ctf.defsec.club/themes/core/static/css/fonts.min.css?d=9a31f3cb
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
138.247.12.102 , United States, ASN23122 (DSU, US),
Reverse DNS
Software
nginx /
Resource Hash
cfe3b7382e477059da11be2099914b94f0e2a4f08240c60542c376957b8d9658

Request headers

Referer
https://ctf.defsec.club/themes/core/static/css/fonts.min.css?d=9a31f3cb
Origin
https://ctf.defsec.club
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/118.0.5993.88 Safari/537.36

Response headers

Date
Fri, 20 Oct 2023 00:57:12 GMT
Last-Modified
Fri, 07 Jul 2023 01:36:51 GMT
Server
nginx
ETag
"1688693811.3845317-80148-1351095318"
Content-Type
application/octet-stream
Cache-Control
no-cache
Content-Disposition
inline; filename=fa-solid-900.woff2
Connection
keep-alive
Content-Length
80148
notification.webm
ctf.defsec.club/themes/core/static/sounds/
13 KB
13 KB
XHR
General
Full URL
https://ctf.defsec.club/themes/core/static/sounds/notification.webm
Requested by
Host: ctf.defsec.club
URL: https://ctf.defsec.club/themes/core/static/js/vendor.bundle.min.js?d=9a31f3cb
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
138.247.12.102 , United States, ASN23122 (DSU, US),
Reverse DNS
Software
nginx /
Resource Hash
fee895ba2d8ac31634cbf5658d71997af55e72909bd9b94b11ae0e807af1a389

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://ctf.defsec.club/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.5993.88 Safari/537.36

Response headers

Date
Fri, 20 Oct 2023 00:57:12 GMT
Last-Modified
Fri, 07 Jul 2023 01:36:51 GMT
Server
nginx
ETag
"1688693811.5125318-13257-1580995969"
Content-Type
video/webm
Cache-Control
no-cache
Content-Disposition
inline; filename=notification.webm
Connection
keep-alive
Content-Length
13257
events
ctf.defsec.club/
5 KB
2 KB
EventSource
General
Full URL
https://ctf.defsec.club/events
Requested by
Host: ctf.defsec.club
URL: https://ctf.defsec.club/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
138.247.12.102 , United States, ASN23122 (DSU, US),
Reverse DNS
Software
nginx /
Resource Hash
51ab0bd2f788d40f1d1f16a88fb04f0ffa29ca48715754db9c0907045f5e4d71

Request headers

Accept
text/event-stream
Cache-Control
no-cache
Referer
https://ctf.defsec.club/
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/118.0.5993.88 Safari/537.36

Response headers

Date
Fri, 20 Oct 2023 00:57:12 GMT
Content-Encoding
gzip
Server
nginx
Connection
close
Content-Type
text/html; charset=utf-8

Verdicts & Comments Add Verdict or Comment

13 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| init object| webpackJsonp function| setImmediate function| clearImmediate function| HowlerGlobal object| Howler function| Howl function| Sound object| CTFd object| helpers function| $ function| dayjs object| nunjucks

1 Cookies

Domain/Path Name / Value
ctf.defsec.club/ Name: session
Value: bb249d44-b4e5-40a7-b3d9-cabf319313ff.ZTSRqFb5Iv-kV3-6_BgVMLgeOJo

2 Console Messages

Source Level URL
Text
other warning URL: https://ctf.defsec.club/themes/core/static/js/vendor.bundle.min.js?d=9a31f3cb(Line 72)
Message:
The AudioContext was not allowed to start. It must be resumed (or created) after a user gesture on the page. https://goo.gl/7K7WLu
network error URL: https://ctf.defsec.club/events
Message:
Failed to load resource: the server responded with a status of 403 (FORBIDDEN)