URL: https://freedevstuff.cstuff.cz/
Submission: On July 06 via manual from US — Scanned from DE

Summary

This website contacted 6 IPs in 1 countries across 4 domains to perform 10 HTTP transactions. The main IP is 2606:4700:3032::6815:4910, located in United States and belongs to CLOUDFLARENET, US. The main domain is freedevstuff.cstuff.cz.
TLS certificate: Issued by E5 on July 6th 2024. Valid for: 3 months.
This is the only time freedevstuff.cstuff.cz was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
3 2606:4700:303... 13335 (CLOUDFLAR...)
1 2a04:4e42:400... 54113 (FASTLY)
2 2606:4700::68... 13335 (CLOUDFLAR...)
1 2600:3c00::f0... 63949 (AKAMAI-LI...)
1 151.101.65.229 54113 (FASTLY)
2 172.67.137.70 13335 (CLOUDFLAR...)
10 6
Apex Domain
Subdomains
Transfer
5 cstuff.cz
freedevstuff.cstuff.cz
14 KB
2 cloudflareinsights.com
static.cloudflareinsights.com — Cisco Umbrella Rank: 1133
14 KB
2 jsdelivr.net
cdn.jsdelivr.net — Cisco Umbrella Rank: 373
14 KB
1 openspeedtest.com
openspeedtest.com — Cisco Umbrella Rank: 291566
10 4
Domain Requested by
5 freedevstuff.cstuff.cz freedevstuff.cstuff.cz
static.cloudflareinsights.com
2 static.cloudflareinsights.com freedevstuff.cstuff.cz
2 cdn.jsdelivr.net freedevstuff.cstuff.cz
cdn.jsdelivr.net
1 openspeedtest.com freedevstuff.cstuff.cz
10 4

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

Domain
freestuff.cstuff.cz
shrinkme.in
openspeedtest.com
Subject Issuer Validity Valid
freedevstuff.cstuff.cz
E5
2024-07-06 -
2024-10-04
3 months crt.sh
jsdelivr.net
GlobalSign Atlas R3 DV TLS CA 2023 Q3
2023-09-27 -
2024-10-28
a year crt.sh
cloudflareinsights.com
WE1
2024-07-06 -
2024-10-04
3 months crt.sh
openspeedtest.com
R3
2024-05-19 -
2024-08-17
3 months crt.sh

This page contains 2 frames:

Primary Page: https://freedevstuff.cstuff.cz/
Frame ID: 32ABCC40CA5E89A19C3394AEBB0EB1D2
Requests: 9 HTTP requests in this frame

Frame: https://openspeedtest.com/speedtest
Frame ID: 0DE2FC84FFCD3E252751B672D50E2466
Requests: 1 HTTP requests in this frame

Screenshot

Page Title

freedevstuff.cstuff.cz - Discover lots of Free dev resources for your needs!

Detected technologies

Overall confidence: 100%
Detected patterns
  • static\.cloudflareinsights\.com/beacon(?:\.min)?\.js

Overall confidence: 100%
Detected patterns
  • //cdn\.jsdelivr\.net/

Page Statistics

10
Requests

100 %
HTTPS

67 %
IPv6

4
Domains

4
Subdomains

6
IPs

1
Countries

41 kB
Transfer

87 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

10 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
freedevstuff.cstuff.cz/
11 KB
4 KB
Document
General
Full URL
https://freedevstuff.cstuff.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3032::6815:4910 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
0342abe758d1cc75aecfaf6a8c730884b8c4c80aa5f41feead2204f749fca00d
Security Headers
Name Value
Strict-Transport-Security max-age=0
X-Content-Type-Options nosniff

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

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
89f14957692b2c55-FRA
content-encoding
br
content-type
text/html; charset=utf-8
date
Sat, 06 Jul 2024 17:24:07 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\/v4?s=9wJgwVcOP6Ra38FqXAriRfEwiwt%2F5BSFfgk%2BxuuxxCorflE33V%2F2ppqsuDi3rWWkcn5ZxOacPFpbEedsngK08i3FgEbAX3H2DWxH09%2FBJePOivm4rvfw1GUTNWUFrNos0bUy9Gcign6wRBG%2FTjYN867kPKwq"}],"group":"cf-nel","max_age":604800}
server
cloudflare
strict-transport-security
max-age=0
vary
Accept-Encoding
x-content-type-options
nosniff
400.min.css
cdn.jsdelivr.net/npm/@fontsource/red-hat-display@5.0.20/
1 KB
963 B
Stylesheet
General
Full URL
https://cdn.jsdelivr.net/npm/@fontsource/red-hat-display@5.0.20/400.min.css
Requested by
Host: freedevstuff.cstuff.cz
URL: https://freedevstuff.cstuff.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42:400::485 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
513ad1eb5741cd68a1a6ddcd74b457b3cd57396ce9dbdaa29b845d17d3db18f5
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://freedevstuff.cstuff.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
date
Sat, 06 Jul 2024 17:24:07 GMT
x-content-type-options
nosniff
content-encoding
br
age
605627
x-jsd-version
5.0.20
x-cache
HIT, MISS
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
498
x-served-by
cache-fra-etou8220066-FRA, cache-mxp6975-MXP
x-jsd-version-type
version
etag
W/"45b-Xzi/WrghL9ZwTDjgLL0CBpEk9gg"
vary
Accept-Encoding
content-type
text/css; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=31536000, s-maxage=31536000, immutable
accept-ranges
bytes
timing-allow-origin
*
email-decode.min.js
freedevstuff.cstuff.cz/cdn-cgi/scripts/5c5dd728/cloudflare-static/
1 KB
1 KB
Script
General
Full URL
https://freedevstuff.cstuff.cz/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js
Requested by
Host: freedevstuff.cstuff.cz
URL: https://freedevstuff.cstuff.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3032::6815:4910 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2595496fe48df6fcf9b1bc57c29a744c121eb4dd11566466bc13d2e52e6bbcc8
Security Headers
Name Value
Strict-Transport-Security max-age=0
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://freedevstuff.cstuff.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 06 Jul 2024 17:24:07 GMT
strict-transport-security
max-age=0
x-content-type-options
nosniff
last-modified
Thu, 04 Jul 2024 09:57:52 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
content-encoding
gzip
etag
W/"66867220-4d7"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=LKUprrU9GgXPYppyoLJrXVAs2mJZCz1CMrLb%2BoopgFDMQBGKvaMQ5qNn3TrlL95BDARJYNTD6z%2FirnLfHtJz4mfsgdPjJ09tPze0u41Yi8%2Fw46%2Bgu4MKdwy4se9jsbtFuF1UMFwkM22mTQHMqDt9qGgpiWMK"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript
x-frame-options
DENY
cache-control
max-age=172800, public
cf-ray
89f14958aa6e2c55-FRA
expires
Mon, 08 Jul 2024 17:24:07 GMT
rocket-loader.min.js
freedevstuff.cstuff.cz/cdn-cgi/scripts/7d0fa10a/cloudflare-static/
12 KB
4 KB
Script
General
Full URL
https://freedevstuff.cstuff.cz/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Requested by
Host: freedevstuff.cstuff.cz
URL: https://freedevstuff.cstuff.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3032::6815:4910 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ccf00d1923b0131a10e0c6d26f95e5dee6ebf8621a27e83c5a2f68a2e0093142
Security Headers
Name Value
Strict-Transport-Security max-age=0
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://freedevstuff.cstuff.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 06 Jul 2024 17:24:07 GMT
strict-transport-security
max-age=0
x-content-type-options
nosniff
last-modified
Thu, 04 Jul 2024 09:57:52 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
content-encoding
gzip
etag
W/"66867220-302c"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=8OY2u8XysczD9E8e25nGg7z7n81mVPySkQPLL44NJYiSGM0ujoGYSbjLWGJx4WbBKZ18kDOMT0P9PMTh05tqnCrcYEPGmSTvBE1RgYFROHpU8vjTW3YSTcZrUVybUmCXYpBvsToqrPG44zBvvdHm9l5WMQNR"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript
x-frame-options
DENY
cache-control
max-age=172800, public
cf-ray
89f14958ca822c55-FRA
expires
Mon, 08 Jul 2024 17:24:07 GMT
vcd15cbe7772f49c399c6a5babf22c1241717689176015
static.cloudflareinsights.com/beacon.min.js/
19 KB
7 KB
Script
General
Full URL
https://static.cloudflareinsights.com/beacon.min.js/vcd15cbe7772f49c399c6a5babf22c1241717689176015
Requested by
Host: freedevstuff.cstuff.cz
URL: https://freedevstuff.cstuff.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:5049 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8a18d13015336bc184819a5a768447462202ef3105ec511bf42ed8304a7ed94f

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://freedevstuff.cstuff.cz/
Origin
https://freedevstuff.cstuff.cz
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 06 Jul 2024 17:24:07 GMT
content-encoding
gzip
last-modified
Thu, 06 Jun 2024 15:52:56 GMT
server
cloudflare
etag
W/"2024.6.1"
vary
Accept-Encoding
content-type
text/javascript;charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=86400
cross-origin-resource-policy
cross-origin
cf-ray
89f149594b943a80-FRA
speedtest
openspeedtest.com/ Frame 0DE2
0
0
Document
General
Full URL
https://openspeedtest.com/speedtest
Requested by
Host: freedevstuff.cstuff.cz
URL: https://freedevstuff.cstuff.cz/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2600:3c00::f03c:92ff:fe4d:85ad Richardson, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software
nginx /
Resource Hash

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Referer
https://freedevstuff.cstuff.cz/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

content-encoding
gzip
content-type
text/html; charset=UTF-8
date
Sat, 06 Jul 2024 17:24:07 GMT
server
nginx
vary
Accept-Encoding
x-fastcgi-cache
HIT
red-hat-display-latin-400-normal.woff2
cdn.jsdelivr.net/npm/@fontsource/red-hat-display@5.0.20/files/
13 KB
13 KB
Font
General
Full URL
https://cdn.jsdelivr.net/npm/@fontsource/red-hat-display@5.0.20/files/red-hat-display-latin-400-normal.woff2
Requested by
Host: cdn.jsdelivr.net
URL: https://cdn.jsdelivr.net/npm/@fontsource/red-hat-display@5.0.20/400.min.css
Protocol
H3
Security
QUIC, , AES_256_GCM
Server
151.101.65.229 San Francisco, United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
d32442891dcae36d8ca84ef307be3534ec1bb25f0b72a290446e50560a877692
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://cdn.jsdelivr.net/npm/@fontsource/red-hat-display@5.0.20/400.min.css
Origin
https://freedevstuff.cstuff.cz
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
date
Sat, 06 Jul 2024 17:24:07 GMT
x-content-type-options
nosniff
age
260649
x-jsd-version
5.0.20
x-cache
HIT
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
12908
x-served-by
cache-fra-etou8220075-FRA
x-jsd-version-type
version
etag
W/"326c-qsASPUs3sKDyytxyBzuSAa0bKvo"
vary
Accept-Encoding
content-type
font/woff2
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=31536000, s-maxage=31536000, immutable
accept-ranges
bytes
timing-allow-origin
*
beacon.min.js
static.cloudflareinsights.com/
19 KB
7 KB
Script
General
Full URL
https://static.cloudflareinsights.com/beacon.min.js
Requested by
Host: freedevstuff.cstuff.cz
URL: https://freedevstuff.cstuff.cz/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:5049 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8a18d13015336bc184819a5a768447462202ef3105ec511bf42ed8304a7ed94f

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://freedevstuff.cstuff.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 06 Jul 2024 17:24:07 GMT
content-encoding
gzip
last-modified
Thu, 06 Jun 2024 15:52:56 GMT
server
cloudflare
etag
W/"2024.6.1"
vary
Accept-Encoding
content-type
text/javascript;charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=86400
cross-origin-resource-policy
cross-origin
cf-ray
89f1495a6b549f3a-FRA
rum
freedevstuff.cstuff.cz/cdn-cgi/
0
182 B
XHR
General
Full URL
https://freedevstuff.cstuff.cz/cdn-cgi/rum?
Requested by
Host: static.cloudflareinsights.com
URL: https://static.cloudflareinsights.com/beacon.min.js/vcd15cbe7772f49c399c6a5babf22c1241717689176015
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.137.70 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-platform
"Win32"
Referer
https://freedevstuff.cstuff.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
content-type
application/json

Response headers

date
Sat, 06 Jul 2024 17:24:08 GMT
x-content-type-options
nosniff
server
cloudflare
vary
Origin
access-control-max-age
86400
access-control-allow-methods
POST,OPTIONS
access-control-allow-origin
https://freedevstuff.cstuff.cz
x-frame-options
DENY
access-control-allow-credentials
true
cf-ray
89f14962add78f34-FRA
favicon.ico
freedevstuff.cstuff.cz/
10 KB
4 KB
Other
General
Full URL
https://freedevstuff.cstuff.cz/favicon.ico
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.137.70 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
04b8b4f7f2baaa6ea744e70f457d84e7bf2bb89ff5adb7af2841d5e658d45ddb
Security Headers
Name Value
Strict-Transport-Security max-age=0
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://freedevstuff.cstuff.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 06 Jul 2024 17:24:08 GMT
strict-transport-security
max-age=0
x-content-type-options
nosniff
cf-cache-status
MISS
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding
br
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin
last-modified
Sat, 06 Jul 2024 17:24:08 GMT
server
cloudflare
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=Y%2BD1%2BfKe1e7JtEJV%2B7UQsTNEJdEdENsjvwFNTjV%2FNRCB3q7ENkaFvGZVQi%2BnPa0XcSvUfpQmUc66U32oVLheJ%2FRXLQPe9k%2FgnGkyhrNtqGF1BROkUUQxz%2FFFJLJCt8w0yOz9jeiGcEU%2F"}],"group":"cf-nel","max_age":604800}
content-type
text/html; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=14400, must-revalidate
cf-ray
89f14962addb8f34-FRA
priority
u=1,i

Verdicts & Comments Add Verdict or Comment

8 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 undefined| event object| fence object| sharedStorage object| __cfQR object| __cfBeacon function| scrollToCategory boolean| __cfRLUnblockHandlers

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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=0
X-Content-Type-Options nosniff