demo.ctfd.io Open in urlscan Pro
104.21.19.74 Public Scan

Go To Rescan
Add Verdict Report

Submitted URL:
http://demo.ctfd.io/
Effective URL:
https://demo.ctfd.io/
Submission: On October 25 via api (October 25th 2023, 8:47:48 pm UTC) from US — Scanned from DE

Summary HTTP 13 Redirects Links 3 Behaviour Indicators

Summary

This website contacted 2 IPs in 2 countries across 1 domains to perform 13 HTTP transactions. The main IP is 104.21.19.74, located in and belongs to CLOUDFLARENET, US. The main domain is demo.ctfd.io.
TLS certificate: Issued by E1 on October 4th 2023. Valid for: 3 months.

This is the only time demo.ctfd.io was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 10	2606:4700:303... 2606:4700:3031::6815:134a	13335 (CLOUDFLAR...) (CLOUDFLARENET)
4	104.21.19.74 104.21.19.74	13335 (CLOUDFLAR...) (CLOUDFLARENET)
13	2

10 2606:4700:3031::6815:134a (United States) 1 redirects

ASN13335 (CLOUDFLARENET, US)

demo.ctfd.io	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 104.21.19.74 (None, )

ASN13335 (CLOUDFLARENET, US)

demo.ctfd.io	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
14	ctfd.io 1 redirects demo.ctfd.io	365 KB
13	1

	Domain	Requested by
14	demo.ctfd.io	1 redirects demo.ctfd.io
13	1

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

Domain
ctfd.io

Subject Issuer	Validity	Valid
ctfd.io E1	`2023-10-04` - `2024-01-02`	3 months	crt.sh

This page contains 1 frames:

Primary Page: https://demo.ctfd.io/
Frame ID: FE58037AE8555FAF7DD4F728A6127DC8
Requests: 13 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

CTFd

Page URL History Show full URLs

http://demo.ctfd.io/ HTTP 301
https://demo.ctfd.io/ Page URL

Detected technologies

Alpine.js (JavaScript frameworks) Expand

Overall confidence: 75%
Detected patterns

<[^>]+[^\w-]x-data[^\w-][^<]+

Page Statistics

13
Requests

100 %
HTTPS

50 %
IPv6

1
Domains

1
Subdomains

2
IPs

2
Countries

365 kB
Transfer

870 kB
Size

1
Cookies

3 Outgoing links

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

URL: https://ctfd.io/
Title: CTFd platform

Search URL Search Domain Scan URL

URL: https://ctfd.io/hosting
Title: Plus

Search URL Search Domain Scan URL

URL: https://ctfd.io/contact
Title: Contact us

Search URL Search Domain Scan URL

Page URL History

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

http://demo.ctfd.io/ HTTP 301
https://demo.ctfd.io/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

13 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
demo.ctfd.io/
Redirect Chain

http://demo.ctfd.io/
https://demo.ctfd.io/

5 KB
2 KB

775ms
449ms

Document
text/html

104.21.19.74
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://demo.ctfd.io/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

104.21.19.74 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

0db90f05df49b0125c58dc6889caa9da48804ebd76e9e6683d24dd9f914fc0b3

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

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

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 81bd50faccca9bce-FRA
content-encoding: br
content-type: text/html; charset=utf-8
date: Wed, 25 Oct 2023 20:47:44 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=tbX%2F%2BZcvUDRIzxgHCYQP3Ca6hEZBdiHi1s4mRny5uF3cWEFn%2ForvfiVpnCBpRIRjtAwth21cfLGSsdW6y7O3NuwrMPxirMr6LoTCua8aO8U%2Bi6WxJssO8uyX6%2FlYSw0%3D"}],"group":"cf-nel","max_age":604800}
server: cloudflare
strict-transport-security: max-age=31536000

Redirect headers

CF-RAY: 81bd50f8ac6337ea-FRA
Cache-Control: max-age=3600
Connection: keep-alive
Date: Wed, 25 Oct 2023 20:47:43 GMT
Expires: Wed, 25 Oct 2023 21:47:43 GMT
Location: https://demo.ctfd.io/
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=Ik%2Fn04YEjffCwGugGJu5HpNRxQGLU%2FdxJBeQiWOyjWM4U%2BgqrdvgD8DzZkL9y4hcqRYik5DvQ04VMjyRlY7cngQ%2BApyEKnQZZK0hBLaSGuLKJuGifJlb0YADNujw7%2F5aCq3ahX2ncpS6FD0%3D"}],"group":"cf-nel","max_age":604800}
Server: cloudflare
Transfer-Encoding: chunked
Vary: Accept-Encoding
alt-svc: h3=":443"; ma=86400

GET
H2 200 main.0aaf0d88.css
demo.ctfd.io/themes/core-beta/static/assets/ 259 KB
45 KB 117ms
116ms Stylesheet
text/css 104.21.19.74
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://demo.ctfd.io/themes/core-beta/static/assets/main.0aaf0d88.css

Requested by

Host: demo.ctfd.io
URL: https://demo.ctfd.io/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

104.21.19.74 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

04b629b83b3eb94ede41fe4d3a5f55b912cfe25d3fcbf24f98569ecb94944030

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://demo.ctfd.io/
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: Wed, 25 Oct 2023 20:47:44 GMT
strict-transport-security: max-age=31536000
content-encoding: br
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-disposition: inline; filename=main.0aaf0d88.css
alt-svc: h3=":443"; ma=86400
cf-bgj: minify
last-modified: Thu, 31 Aug 2023 04:25:51 GMT
server: cloudflare
etag: W/"1693455951.2970283-264661-3160348167"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=1PVaBYxBoxGObQaHMXpsVv%2B4bnyg1MSTQ18XkJpIxLczRB4hl8NdfMbPAJ4S%2BXFzdhBo2b3bP0SubDhKhTiNIt9lnn0PaAGFHXO72RSN7IxjJ5Zo6uHW27OJ0sSdJ3w%3D"}],"group":"cf-nel","max_age":604800}
content-type: text/css; charset=utf-8
cache-control: no-cache
cf-ray: 81bd50fda89c9bce-FRA

GET
H2 200 logo.png
demo.ctfd.io/themes/core/static/img/ 16 KB
16 KB 145ms
144ms Image
image/png 104.21.19.74
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://demo.ctfd.io/themes/core/static/img/logo.png

Requested by

Host: demo.ctfd.io
URL: https://demo.ctfd.io/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

104.21.19.74 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

ffd45f60eb169b0537ee27e1e8d12c96255fc26884bce9e18079fe9f434cdbd5

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://demo.ctfd.io/
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: Wed, 25 Oct 2023 20:47:44 GMT
strict-transport-security: max-age=31536000
cf-cache-status: REVALIDATED
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-disposition: inline; filename=logo.png
alt-svc: h3=":443"; ma=86400
content-length: 16106
last-modified: Thu, 31 Aug 2023 04:25:51 GMT
server: cloudflare
etag: "1693455951.2330287-16106-1932660838"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=4Ge2SfRnFoqY5IwH5sp%2BF%2FibDimQOE7Zg0MZUnCZSFdSPGaBCHKM3T0x5eQrTUXAJ6SItmxIHX%2B4J%2Bve3HwYKZNk1fVU32iiJRbofKrAr0p1gpa19eYUhPLQ7ZlxW74%3D"}],"group":"cf-nel","max_age":604800}
content-type: image/png
cache-control: no-cache
accept-ranges: bytes
cf-ray: 81bd50fda89e9bce-FRA

GET
H2 200 rocket-loader.min.js Show response
demo.ctfd.io/cdn-cgi/scripts/7d0fa10a/cloudflare-static/ 12 KB
4 KB 10ms
9ms Script
application/javascript 104.21.19.74
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://demo.ctfd.io/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js

Requested by

Host: demo.ctfd.io
URL: https://demo.ctfd.io/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

104.21.19.74 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

ccf00d1923b0131a10e0c6d26f95e5dee6ebf8621a27e83c5a2f68a2e0093142

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://demo.ctfd.io/
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: Wed, 25 Oct 2023 20:47:44 GMT
content-encoding: gzip
x-content-type-options: nosniff
last-modified: Fri, 20 Oct 2023 18:17:19 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"6532c42f-302c"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=LYwnfuJ2EfXTOvxnDcuresfYkHld5ydJ3XmI0%2By9nOkEyVHSIqfQYY5ksqYh949BjB8%2B2gI01dwewPhl%2BWkoAMur9VX0%2FhiUGfBgxs0yBvRkR4p%2FN3K1Y1m7JL16%2Bxo%3D"}],"group":"cf-nel","max_age":604800}
content-type: application/javascript
x-frame-options: DENY
cache-control: max-age=172800, public
cf-ray: 81bd50fda89f9bce-FRA
expires: Fri, 27 Oct 2023 20:47:44 GMT

GET
H3 200 page.a7cd4860.js Show response
demo.ctfd.io/themes/core-beta/static/assets/ 87 B
630 B 152ms
152ms Script
application/javascript 2606:4700:3031::6815:134a
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://demo.ctfd.io/themes/core-beta/static/assets/page.a7cd4860.js

Requested by

Host: demo.ctfd.io
URL: https://demo.ctfd.io/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3031::6815:134a , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

2201522b6e5a91eeba6c631111194f2ae8e247078ed644382ea34d5a06a28f5d

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://demo.ctfd.io/
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: Wed, 25 Oct 2023 20:47:44 GMT
strict-transport-security: max-age=31536000
content-encoding: br
cf-cache-status: REVALIDATED
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-polished: origSize=88
content-disposition: inline; filename=page.a7cd4860.js
alt-svc: h3=":443"; ma=86400
cf-bgj: minify
last-modified: Thu, 31 Aug 2023 04:25:51 GMT
server: cloudflare
etag: W/"1693455951.2970283-88-2775061864"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=7d7yp%2FbfiAzSkDkLtWJOf08s1MptdE6Ipqkm6mEqwvxX05j9hdhppUxCu26jSbbigOlRwLPNeTb7GUgdjUYsuL8M1b6u2FGnzHqpMM92E7EbInEfUak9V9QDV63FDLBd6sgjoKL%2BO%2FckyGw%3D"}],"group":"cf-nel","max_age":604800}
content-type: application/javascript; charset=utf-8
cache-control: no-cache
cf-ray: 81bd50fe7d633a52-FRA

GET
H3 200 index.69d1de7e.js Show response
demo.ctfd.io/themes/core-beta/static/assets/ 207 KB
66 KB 127ms
126ms Script
application/javascript 2606:4700:3031::6815:134a
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://demo.ctfd.io/themes/core-beta/static/assets/index.69d1de7e.js

Requested by

Host: demo.ctfd.io
URL: https://demo.ctfd.io/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3031::6815:134a , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

6760a246d449c724595e070b0316dd6ec4270588674dca73c8e1d0a59b094f55

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://demo.ctfd.io/
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: Wed, 25 Oct 2023 20:47:44 GMT
strict-transport-security: max-age=31536000
content-encoding: br
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-polished: origSize=211695
content-disposition: inline; filename=index.69d1de7e.js
alt-svc: h3=":443"; ma=86400
cf-bgj: minify
last-modified: Thu, 31 Aug 2023 04:25:51 GMT
server: cloudflare
etag: W/"1693455951.2930284-211695-3180140059"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=4qJ0K2hUVJUkD8pFvZpH0277nKSf75KdflsMwkDfnTqXPu5d1ttRd9MxarrZcWjNBc11YfEh7zxh7Nu2XVgEi4Xiab1FFV0M9YduZIGvbsJ79knyQn82G7f331mSh8YwBcPFWLztR9peNSY%3D"}],"group":"cf-nel","max_age":604800}
content-type: application/javascript; charset=utf-8
cache-control: no-cache
cf-ray: 81bd50fe7d653a52-FRA

GET
H3 200 lato-latin-400-normal.woff2
demo.ctfd.io/themes/core-beta/static/webfonts/ 23 KB
24 KB 112ms
112ms Font
application/octet-stream 2606:4700:3031::6815:134a
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://demo.ctfd.io/themes/core-beta/static/webfonts/lato-latin-400-normal.woff2

Requested by

Host: demo.ctfd.io
URL: https://demo.ctfd.io/themes/core-beta/static/assets/main.0aaf0d88.css

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3031::6815:134a , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

918b7dc3e2e2d015c16ce08b57bcb64d2253bafc1707658f361e72865498e537

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

Referer: https://demo.ctfd.io/themes/core-beta/static/assets/main.0aaf0d88.css
Origin: https://demo.ctfd.io
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: Wed, 25 Oct 2023 20:47:44 GMT
strict-transport-security: max-age=31536000
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-disposition: inline; filename=lato-latin-400-normal.woff2
alt-svc: h3=":443"; ma=86400
content-length: 23580
last-modified: Thu, 31 Aug 2023 04:25:51 GMT
server: cloudflare
etag: "1693455951.3090284-23580-3957988020"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=7DH5cp9OONrJxaAj%2BkrxEPbl6FvDcHW95rY%2Bv80gfmz9qngqm9l5NPJZXy0PlQ755cTt%2FgIFurXEqPSNYSxYbO2t8FhSwEiaRrX61SYzdOGBgjsRSUfAH2T%2FRuSLiEIln5MZhlCTPrKChMM%3D"}],"group":"cf-nel","max_age":604800}
content-type: application/octet-stream
cache-control: no-cache
accept-ranges: bytes
cf-ray: 81bd50fe8d733a52-FRA

GET
H3 200 fa-solid-900.woff2
demo.ctfd.io/themes/core-beta/static/webfonts/ 124 KB
124 KB 406ms
406ms Font
application/octet-stream 2606:4700:3031::6815:134a
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://demo.ctfd.io/themes/core-beta/static/webfonts/fa-solid-900.woff2

Requested by

Host: demo.ctfd.io
URL: https://demo.ctfd.io/themes/core-beta/static/assets/main.0aaf0d88.css

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3031::6815:134a , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

1b099f88c06ed0869872561c157f0ec9cbe133a0939d9ece4ee1e1f54bd4683d

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

Referer: https://demo.ctfd.io/themes/core-beta/static/assets/main.0aaf0d88.css
Origin: https://demo.ctfd.io
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: Wed, 25 Oct 2023 20:47:44 GMT
strict-transport-security: max-age=31536000
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-disposition: inline; filename=fa-solid-900.woff2
alt-svc: h3=":443"; ma=86400
content-length: 126828
last-modified: Thu, 31 Aug 2023 04:25:51 GMT
server: cloudflare
etag: "1693455951.3050284-126828-75896605"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=ZqZiyU7BLfhoQqFSMwqNqxukuOWjKYZPhwK1%2BDb79iB%2FV%2Fi%2B%2BFWU%2B3nPjgr%2B4qrNolvJHg9y%2FGM4Qg4cnN5iWhthXS%2BvfxMtM%2BxYRdgUN5j9gyUg1dff%2FhUKd2u3vRs8dSjq1ZZSuYuAiWg%3D"}],"group":"cf-nel","max_age":604800}
content-type: application/octet-stream
cache-control: no-cache
accept-ranges: bytes
cf-ray: 81bd50fe8d773a52-FRA

GET
H3 200 index.69d1de7e.js Show response
demo.ctfd.io/themes/core-beta/static/assets/ 207 KB
66 KB 635ms
635ms Script
application/javascript 2606:4700:3031::6815:134a
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://demo.ctfd.io/themes/core-beta/static/assets/index.69d1de7e.js

Requested by

Host: demo.ctfd.io
URL: https://demo.ctfd.io/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3031::6815:134a , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

6760a246d449c724595e070b0316dd6ec4270588674dca73c8e1d0a59b094f55

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

Referer: https://demo.ctfd.io/
Origin: https://demo.ctfd.io
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: Wed, 25 Oct 2023 20:47:45 GMT
strict-transport-security: max-age=31536000
content-encoding: br
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-polished: origSize=211695
content-disposition: inline; filename=index.69d1de7e.js
alt-svc: h3=":443"; ma=86400
cf-bgj: minify
last-modified: Thu, 31 Aug 2023 04:25:51 GMT
server: cloudflare
etag: W/"1693455951.2930284-211695-3180140059"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=WX7Jw%2BzaOZii1PiFacKHbed3v%2BlYIGv35KPChh4qwGy4dFThmOrQGx185twI02MpJBSUIXjZuhz9cW3Cu69toNeXreCaW8aZi%2Bq4Lw8GH2kRY%2BbzxktDn7R5a3Z043EBi0fB5V7oIDgDz4Y%3D"}],"group":"cf-nel","max_age":604800}
content-type: application/javascript; charset=utf-8
cache-control: no-cache
cf-ray: 81bd510129103a52-FRA

GET
H3 200 notification.webm Show response
demo.ctfd.io/themes/core/static/sounds/ 13 KB
13 KB 180ms
180ms XHR
video/webm 2606:4700:3031::6815:134a
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://demo.ctfd.io/themes/core/static/sounds/notification.webm

Requested by

Host: demo.ctfd.io
URL: https://demo.ctfd.io/themes/core-beta/static/assets/index.69d1de7e.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3031::6815:134a , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

fee895ba2d8ac31634cbf5658d71997af55e72909bd9b94b11ae0e807af1a389

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://demo.ctfd.io/
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: Wed, 25 Oct 2023 20:47:45 GMT
strict-transport-security: max-age=31536000
cf-cache-status: REVALIDATED
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-disposition: inline; filename=notification.webm
alt-svc: h3=":443"; ma=86400
content-length: 13257
last-modified: Thu, 31 Aug 2023 04:25:51 GMT
server: cloudflare
etag: "1693455951.2530286-13257-1580995969"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=TXrxlLZ8ykwQ9Q9iqrlRXE63z4k9bZ95B8XzezZnKUvpDP6%2BtXOtneq8ga7X24wsQxpPKJEL%2F%2FWOzEJBu0awiBB1hzcUZ3ICkcCaLvxahWareatsQuioEUGiDR8A1JV0ZyM%2FuABr53dlRFw%3D"}],"group":"cf-nel","max_age":604800}
content-type: video/webm
cache-control: no-cache
accept-ranges: bytes
cf-ray: 81bd51054e1d3a52-FRA

HEAD
H3 200 notifications
demo.ctfd.io/api/v1/ 0
0 392ms
392ms Fetch
text/html 2606:4700:3031::6815:134a
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://demo.ctfd.io/api/v1/notifications?since_id=0

Requested by

Host: demo.ctfd.io
URL: https://demo.ctfd.io/themes/core-beta/static/assets/index.69d1de7e.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3031::6815:134a , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

Accept: application/json
CSRF-Token: 536d8ee0094d8b983f4945824ee80a8b6f809c1f321690a5ef6af909aa3a79d5
Referer: https://demo.ctfd.io/
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
Content-Type: application/json

Response headers

date: Wed, 25 Oct 2023 20:47:45 GMT
strict-transport-security: max-age=31536000
content-encoding: br
cf-cache-status: DYNAMIC
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=bLyqsof9GnJpghQ9jergTwKyxzYbo0VAgCxMBkhlh%2Fm3fvWJW6I9j30m2RRsw5dmdiHu6RnRSG%2F5yyO4hlxL6tW3C21Oq3Nwav1Py5UCndjw1OrgEV%2BklwIilovFVZk%2BgImM43IoiGV1O1U%3D"}],"group":"cf-nel","max_age":604800}
content-type: text/html; charset=utf-8
result-count: 0
cf-ray: 81bd51054e1f3a52-FRA
alt-svc: h3=":443"; ma=86400

GET
H3 200 page.a7cd4860.js Show response
demo.ctfd.io/themes/core-beta/static/assets/ 87 B
630 B 118ms
117ms Script
application/javascript 2606:4700:3031::6815:134a
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://demo.ctfd.io/themes/core-beta/static/assets/page.a7cd4860.js

Requested by

Host: demo.ctfd.io
URL: https://demo.ctfd.io/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3031::6815:134a , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

2201522b6e5a91eeba6c631111194f2ae8e247078ed644382ea34d5a06a28f5d

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

Referer: https://demo.ctfd.io/
Origin: https://demo.ctfd.io
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: Wed, 25 Oct 2023 20:47:45 GMT
strict-transport-security: max-age=31536000
content-encoding: br
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-polished: origSize=88
content-disposition: inline; filename=page.a7cd4860.js
alt-svc: h3=":443"; ma=86400
cf-bgj: minify
last-modified: Thu, 31 Aug 2023 04:25:51 GMT
server: cloudflare
etag: W/"1693455951.2970283-88-2775061864"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=%2BEIKSAftPT9BGn61KbVvapb3qF%2FFMQ2dBdi%2BLdL4VJk2hFqeyV2P84WIMZgCfGHlVFh5%2B%2B%2BpAiHubR6TyOk224kt6KaGzvBqtodOeTMt8qo%2BCzWtowZsJQiv9kgfU6jkOayTpU%2BI0dAE4c4%3D"}],"group":"cf-nel","max_age":604800}
content-type: application/javascript; charset=utf-8
cache-control: no-cache
cf-ray: 81bd51054e273a52-FRA

GET
H3 403 events
demo.ctfd.io/ 4 KB
2 KB 164ms
163ms EventSource
text/html 2606:4700:3031::6815:134a
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://demo.ctfd.io/events

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3031::6815:134a , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

9b6e8307601e9253086e86d93df1b66fafd5aec7f5c0f86e3e6365ee841da53a

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

Accept: text/event-stream
Cache-Control: no-cache
Referer: https://demo.ctfd.io/
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: Wed, 25 Oct 2023 20:47:45 GMT
strict-transport-security: max-age=31536000
content-encoding: br
cf-cache-status: DYNAMIC
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=8w2RlFI0C0xd4qpDCbOL3j0EJUQd0zTYcUYp5RleSf2iHQh%2F4G8iC6o9ToXphKOFqxxcGmZKeMYEpsZ3vTVgpEKjXaFWaIo1AjtFoCNA54TfDma%2BZ7r%2BC3IFdM8oMCKrTm7t6zqb%2Fqe2pOE%3D"}],"group":"cf-nel","max_age":604800}
content-type: text/html; charset=utf-8
cf-ray: 81bd51055e303a52-FRA
alt-svc: h3=":443"; ma=86400

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.

1 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
			demo.ctfd.io/	1969-12-31 23:59:59	Name: session Value: 00b4b282-61df-454d-8953-e8433858f071.CYq496YQE77LwDwKLYrQJckrk_c

4 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source	Level	URL Text
other	warning	URL: https://demo.ctfd.io/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js Message: A preload for 'https://demo.ctfd.io/themes/core-beta/static/assets/index.69d1de7e.js' is found, but is not used because the request credentials mode does not match. Consider taking a look at crossorigin attribute.
other	warning	URL: https://demo.ctfd.io/themes/core-beta/static/assets/index.69d1de7e.js(Line 10) 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
other	warning	URL: https://demo.ctfd.io/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js Message: A preload for 'https://demo.ctfd.io/themes/core-beta/static/assets/page.a7cd4860.js' is found, but is not used because the request credentials mode does not match. Consider taking a look at crossorigin attribute.
network	error	URL: https://demo.ctfd.io/events Message: Failed to load resource: the server responded with a status of 403 ()

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
Strict-Transport-Security	max-age=31536000

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.

demo.ctfd.io
104.21.19.74
2606:4700:3031::6815:134a
04b629b83b3eb94ede41fe4d3a5f55b912cfe25d3fcbf24f98569ecb94944030
0db90f05df49b0125c58dc6889caa9da48804ebd76e9e6683d24dd9f914fc0b3
1b099f88c06ed0869872561c157f0ec9cbe133a0939d9ece4ee1e1f54bd4683d
2201522b6e5a91eeba6c631111194f2ae8e247078ed644382ea34d5a06a28f5d
6760a246d449c724595e070b0316dd6ec4270588674dca73c8e1d0a59b094f55
918b7dc3e2e2d015c16ce08b57bcb64d2253bafc1707658f361e72865498e537
9b6e8307601e9253086e86d93df1b66fafd5aec7f5c0f86e3e6365ee841da53a
ccf00d1923b0131a10e0c6d26f95e5dee6ebf8621a27e83c5a2f68a2e0093142
fee895ba2d8ac31634cbf5658d71997af55e72909bd9b94b11ae0e807af1a389
ffd45f60eb169b0537ee27e1e8d12c96255fc26884bce9e18079fe9f434cdbd5

demo.ctfd.io Open in urlscan Pro 104.21.19.74 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Detected technologies

Page Statistics

13 Requests

100 %HTTPS

50 %IPv6

1 Domains

1 Subdomains

2 IPs

2 Countries

365 kBTransfer

870 kBSize

1 Cookies

3 Outgoing links

Page URL History

Redirected requests

13 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

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Verdicts & Comments Add Verdict or Comment

10 JavaScript Global Variables

1 Cookies

4 Console Messages

Security Headers

Indicators

demo.ctfd.io Open in urlscan Pro
104.21.19.74 Public Scan

Screenshot
Live screenshot

Full Image

13
Requests

100 %
HTTPS

50 %
IPv6

1
Domains

1
Subdomains

2
IPs

2
Countries

365 kB
Transfer

870 kB
Size

1
Cookies

13 HTTP transactions
0 data transactions