ctf.xfer.hr Open in urlscan Pro
104.21.59.172 Public Scan

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URL:
https://ctf.xfer.hr/
Submission: On January 25 via api (January 25th 2024, 3:42:47 am UTC) from US — Scanned from US

Summary HTTP 8 Redirects Links 3 Behaviour Indicators

Summary

This website contacted 1 IPs in 1 countries across 1 domains to perform 8 HTTP transactions. The main IP is 104.21.59.172, located in and belongs to CLOUDFLARENET, US. The main domain is ctf.xfer.hr.
TLS certificate: Issued by E1 on January 24th 2024. Valid for: 3 months.

This is the only time ctf.xfer.hr was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address		AS Autonomous System
8	104.21.59.172 104.21.59.172		13335 (CLOUDFLAR...) (CLOUDFLARENET)
8	1

8 104.21.59.172 (None, )

ASN13335 (CLOUDFLARENET, US)

ctf.xfer.hr	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
8	xfer.hr ctf.xfer.hr	74 KB
8	1

	Domain	Requested by
8	ctf.xfer.hr	ctf.xfer.hr
8	1

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

Domain
github.com
discord.gg
forms.gle

Subject Issuer	Validity	Valid
ctf.xfer.hr E1	`2024-01-24` - `2024-04-23`	3 months	crt.sh

This page contains 1 frames:

Primary Page: https://ctf.xfer.hr/
Frame ID: ED1AACBC0ADDAC77691C27EB35F8341C
Requests: 8 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Kibernetička sigurnost | KibSec

Detected technologies

Svelte (JavaScript frameworks) Expand

Overall confidence: 100%
Detected patterns

<[^>]+class=\"[^\"]+\ssvelte-[\w]*\"

Page Statistics

8
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

74 kB
Transfer

180 kB
Size

0
Cookies

3 Outgoing links

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

URL: https://github.com/x-fer/kiberneticka_sigurnost
Title: GitHub

Search URL Search Domain Scan URL

URL: https://discord.gg/UsvJaG7BhT
Title: Discord

Search URL Search Domain Scan URL

URL: https://forms.gle/CsW7crjrKC8UG5Ye6
Title: Prijava na vještinu

Search URL Search Domain Scan URL

Redirected requests

There were HTTP redirect chains for the following requests:

8 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
ctf.xfer.hr/ 20 KB
6 KB 436ms
266ms Document
text/html 104.21.59.172
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://ctf.xfer.hr/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

104.21.59.172 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

9898304af296d3970b5e741b19f026f2b4e34fdfef34cf14f0042c6bef4d430d

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36
accept-language: en-US,en;q=0.9

Response headers

access-control-allow-origin: *
alt-svc: h3=":443"; ma=86400
cache-control: public, max-age=0, must-revalidate
cf-cache-status: DYNAMIC
cf-ray: 84ad81fa5c36b097-ATL
content-encoding: br
content-type: text/html; charset=utf-8
date: Thu, 25 Jan 2024 03:42:42 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
referrer-policy: strict-origin-when-cross-origin
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=dKz%2BC8AQwhvKC5iUCCeie24N6ep3i7Hsn%2Be%2BAnBybg7j6xMRmnfyYVdTfPqBISPwHJC5eylXShAD04h6ONXjmzp%2F5V%2BY6GMS%2FOGo2K4mk8iMbQ1ACHbeuWvSKBRfFg%3D%3D"}],"group":"cf-nel","max_age":604800}
server: cloudflare
vary: Accept-Encoding
x-content-type-options: nosniff

GET
H2 200 index.GQONf_l3.css
ctf.xfer.hr/_astro/ 60 KB
12 KB 228ms
205ms Stylesheet
text/css 104.21.59.172
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://ctf.xfer.hr/_astro/index.GQONf_l3.css

Requested by

Host: ctf.xfer.hr
URL: https://ctf.xfer.hr/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

104.21.59.172 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

5ce01c56f8c717e6f034ba68b6c4d0c0af4dabd64b89c7407da6a5965f769e6a

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

accept-language: en-US,en;q=0.9
Referer: https://ctf.xfer.hr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Thu, 25 Jan 2024 03:42:42 GMT
content-encoding: br
referrer-policy: strict-origin-when-cross-origin
x-content-type-options: nosniff
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
cf-cache-status: MISS
etag: W/"c98477454b10047ed1dde1b088faf21f"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=JtSqCNSyb9ldUOoYfoM55jKTb%2BZ3BUqfqBN6SGIunur9NqbqmzEUCQD5W58pwNpYfdN0Acb%2BXdH0D%2BdFcCO63zb8kAnn1Qd0kaYLybjVWsktLwRuYVnsTh2Rd2I3eA%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type: text/css; charset=utf-8
access-control-allow-origin: *
cache-control: public, max-age=14400, must-revalidate
cf-ray: 84ad81fbade1b097-ATL
alt-svc: h3=":443"; ma=86400

GET
H2 200 hoisted.dSDs6aBR.js Show response
ctf.xfer.hr/_astro/ 6 KB
3 KB 190ms
167ms Script
application/javascript 104.21.59.172
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://ctf.xfer.hr/_astro/hoisted.dSDs6aBR.js

Requested by

Host: ctf.xfer.hr
URL: https://ctf.xfer.hr/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

104.21.59.172 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

4576aa4e4a6195a871a98f813fe897a2a5026b9a9c4dbc01c8b812bf0220659e

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

Referer: https://ctf.xfer.hr/
Origin: https://ctf.xfer.hr
accept-language: en-US,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Thu, 25 Jan 2024 03:42:42 GMT
content-encoding: br
referrer-policy: strict-origin-when-cross-origin
x-content-type-options: nosniff
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
cf-cache-status: MISS
etag: W/"56585911a7aae2e84923348a821bec5b"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=g0nE3ijPc71HK9iEJRLWOLmQFufh9xUsuEwRpDqfqzoXNaa6HMfXHcSk8xihrqEvXS340%2Bo2aNnhNnmZlnIbTGU%2B2s72gDyN72drqySv86pDT3iJh1%2BZYooK0jZO9w%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type: application/javascript
access-control-allow-origin: *
cache-control: public, max-age=14400, must-revalidate
cf-ray: 84ad81fbade5b097-ATL
alt-svc: h3=":443"; ma=86400

GET
H2 200 page.36aCzv65.js Show response
ctf.xfer.hr/_astro/ 2 KB
1 KB 210ms
188ms Script
application/javascript 104.21.59.172
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://ctf.xfer.hr/_astro/page.36aCzv65.js

Requested by

Host: ctf.xfer.hr
URL: https://ctf.xfer.hr/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

104.21.59.172 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

83a3d8a2a7ea002fe88f8ab88e8cb97722d3481b3b05143e22abfadc63cc6435

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

Referer: https://ctf.xfer.hr/
Origin: https://ctf.xfer.hr
accept-language: en-US,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Thu, 25 Jan 2024 03:42:42 GMT
content-encoding: br
referrer-policy: strict-origin-when-cross-origin
x-content-type-options: nosniff
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
cf-cache-status: MISS
etag: W/"237bf28ebcaafc22037a9568ec6020ca"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=c%2BTTlQi2G%2BPnN7Vv5gAgkmD9pEHaTSVQmmFFeEeJR0eYNL81GHw2Z9PEQpeIKzQz162Bb4wJyePmSpfNw8cSt6rc0GGsgTvANBE1hUaSbuTbS7Ia%2Fy8OhxFRWHwF7A%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type: application/javascript
access-control-allow-origin: *
cache-control: public, max-age=14400, must-revalidate
cf-ray: 84ad81fbade9b097-ATL
alt-svc: h3=":443"; ma=86400

GET
H2 200 Tabs.astro_astro_type_script_index_0_lang.YYQMiWOA.js Show response
ctf.xfer.hr/_astro/ 974 B
767 B 235ms
213ms Script
application/javascript 104.21.59.172
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://ctf.xfer.hr/_astro/Tabs.astro_astro_type_script_index_0_lang.YYQMiWOA.js

Requested by

Host: ctf.xfer.hr
URL: https://ctf.xfer.hr/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

104.21.59.172 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

c8de6a9f26c7c4991d4b42d129a0c2525eb0e62004c66ddb3dd00144b1573742

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

Referer: https://ctf.xfer.hr/
Origin: https://ctf.xfer.hr
accept-language: en-US,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Thu, 25 Jan 2024 03:42:42 GMT
content-encoding: br
referrer-policy: strict-origin-when-cross-origin
x-content-type-options: nosniff
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
cf-cache-status: MISS
etag: W/"fb6b28ed53bb2ee674a9bc438b861d14"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=qwIFAZp51k9WNOaAbrL4nhbNgjOC4tEZRWBxHDo71EUIvqjbCbf%2Fpza%2BnIKwXZvFGZBJWAxpCt4K%2FN8Ocq4aPo3XirArkaD6ZhceAuwc1QgIBEbXsdEIwhDbAoz93w%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type: application/javascript
access-control-allow-origin: *
cache-control: public, max-age=14400, must-revalidate
cf-ray: 84ad81fbadebb097-ATL
alt-svc: h3=":443"; ma=86400

GET
H2 200 hero.Zh2dd-Tr_2wRcPr.webp
ctf.xfer.hr/_astro/ 28 KB
28 KB 262ms
241ms Image
image/webp 104.21.59.172
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://ctf.xfer.hr/_astro/hero.Zh2dd-Tr_2wRcPr.webp

Requested by

Host: ctf.xfer.hr
URL: https://ctf.xfer.hr/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

104.21.59.172 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

79af1630993e222e135772333fb0b6be1b9363d49ea041b048da926b5c112eb4

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

accept-language: en-US,en;q=0.9
Referer: https://ctf.xfer.hr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Thu, 25 Jan 2024 03:42:42 GMT
x-content-type-options: nosniff
cf-cache-status: MISS
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc: h3=":443"; ma=86400
content-length: 28694
referrer-policy: strict-origin-when-cross-origin
server: cloudflare
etag: "77943a6115f5d6e96266690f31acc32c"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=g0DyYk148owAhC1IbT3ELVqtwW5giWTyg1tgc3WEgh0e%2FzcwsAG2SwEXSUVI9p14kk48TqgOcCnbXcNHuTPoR%2BDbXRUBIr3NSdW91U5M8%2F1w9QAF1O6M6FPqdnW93g%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type: image/webp
access-control-allow-origin: *
cache-control: public, max-age=14400, must-revalidate
accept-ranges: bytes
cf-ray: 84ad81fbadeeb097-ATL

GET
H2 200 hero_light.81uZyovO_Z1y8MNK.webp
ctf.xfer.hr/_astro/ 4 KB
4 KB 195ms
179ms Image
image/webp 104.21.59.172
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://ctf.xfer.hr/_astro/hero_light.81uZyovO_Z1y8MNK.webp

Requested by

Host: ctf.xfer.hr
URL: https://ctf.xfer.hr/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

104.21.59.172 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

a49fb2fd241e17e93fb9b1b694337d5195db2c04f2130657e932a461c3222136

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

accept-language: en-US,en;q=0.9
Referer: https://ctf.xfer.hr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Thu, 25 Jan 2024 03:42:42 GMT
x-content-type-options: nosniff
cf-cache-status: MISS
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc: h3=":443"; ma=86400
content-length: 4092
referrer-policy: strict-origin-when-cross-origin
server: cloudflare
etag: "50c1730ab84f2226fa26aac13f43c12a"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=faMuP98iQSvxIL3L1Z89IpizSpNAE8wpCcOYMwrI%2BQuBYOPI9TQeBfb8eOu0DfjtoKHl8P9m5tZDOeyNg8P%2BzniKUvGq5KTaZZy4QtsntGIIJS2eRIj5D7LGMBmurw%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type: image/webp
access-control-allow-origin: *
cache-control: public, max-age=14400, must-revalidate
accept-ranges: bytes
cf-ray: 84ad81fbadf0b097-ATL

GET
H3 200 ui-core.JvLvHP02.js Show response
ctf.xfer.hr/_astro/ 59 KB
18 KB 174ms
173ms Script
application/javascript 104.21.59.172
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://ctf.xfer.hr/_astro/ui-core.JvLvHP02.js

Requested by

Host: ctf.xfer.hr
URL: https://ctf.xfer.hr/_astro/hoisted.dSDs6aBR.js

Protocol

Security

QUIC, , AES_128_GCM

Server

104.21.59.172 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

c06235c4e9e447aa12fa06a4cc74e12a2af74e541fdc30389433a388068733b6

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

Referer: https://ctf.xfer.hr/_astro/hoisted.dSDs6aBR.js
Origin: https://ctf.xfer.hr
accept-language: en-US,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Thu, 25 Jan 2024 03:42:42 GMT
content-encoding: br
referrer-policy: strict-origin-when-cross-origin
x-content-type-options: nosniff
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
cf-cache-status: MISS
etag: W/"1f7e1312aa51c8416e0440705ec490f1"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=t3QOIdPhB%2F9YXSfatoi2Xjw8DkDcUM1mqNbauJzBwFW2dPXpbRiLZL4FVIXFZs58Pxdkuk7%2FB9be%2Bcw3jXo2toJNvTvNk7xP9TjT%2BLtPtXndTkE7Fnti0Za05Syf4A%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type: application/javascript
access-control-allow-origin: *
cache-control: public, max-age=14400, must-revalidate
cf-ray: 84ad81fd4e8453da-ATL
alt-svc: h3=":443"; ma=86400

Verdicts & Comments Add Verdict or Comment

1 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| StarlightThemeProvider

0 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.

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-Content-Type-Options	nosniff

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.

ctf.xfer.hr
104.21.59.172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ctf.xfer.hr Open in urlscan Pro 104.21.59.172 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Detected technologies

Page Statistics

8 Requests

100 %HTTPS

0 %IPv6

1 Domains

1 Subdomains

1 IPs

1 Countries

74 kBTransfer

180 kBSize

0 Cookies

3 Outgoing links

Redirected requests

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

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

1 JavaScript Global Variables

0 Cookies

Security Headers

Indicators

ctf.xfer.hr Open in urlscan Pro
104.21.59.172 Public Scan

Screenshot
Live screenshot

Full Image

8
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

74 kB
Transfer

180 kB
Size

0
Cookies

8 HTTP transactions
0 data transactions