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www.knot-resolver.cz Open in urlscan Pro
2001:1488:ac15:ff90::130  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://knot-resolver.cz/
Effective URL: https://www.knot-resolver.cz/
Submission: On May 02 via manual from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 4 IPs in 1 countries across 2 domains to perform 18 HTTP transactions. The main IP is 2001:1488:ac15:ff90::130, located in Czech Republic and belongs to CZNIC-AS, CZ. The main domain is www.knot-resolver.cz.
TLS certificate: Issued by R3 on April 8th 2024. Valid for: 3 months.
This is the only time www.knot-resolver.cz was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 14 2001:1488:ac1... 25192 (CZNIC-AS)
1 2 2001:1488:800... 25192 (CZNIC-AS)
3 2001:1488:800... 25192 (CZNIC-AS)
1 2001:1488:0:3::2 25192 (CZNIC-AS)
18 4
Domain Requested by
13 www.knot-resolver.cz www.knot-resolver.cz
3 piwik.nic.cz www.knot-resolver.cz
piwik.nic.cz
1 www.nic.cz websites.pages.labs.nic.cz
1 websites.pages.nic.cz www.knot-resolver.cz
1 websites.pages.labs.nic.cz 1 redirects
1 knot-resolver.cz 1 redirects
18 6
Subject Issuer Validity Valid
knot-resolver.cz
R3		 2024-04-08 -
2024-07-07		 3 months crt.sh
matomo.nic.cz
R3		 2024-04-08 -
2024-07-07		 3 months crt.sh
nic.cz
R3		 2024-03-22 -
2024-06-20		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://www.knot-resolver.cz/
Frame ID: 304A798D5468035F71AD4730C36E182C
Requests: 18 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Knot Resolver

Page URL History Show full URLs

  1. http://knot-resolver.cz/ HTTP 307
    https://knot-resolver.cz/ HTTP 301
    https://www.knot-resolver.cz/ Page URL

Page Statistics

18
Requests

94 %
HTTPS

100 %
IPv6

2
Domains

6
Subdomains

4
IPs

1
Countries

166 kB
Transfer

166 kB
Size

0
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://knot-resolver.cz/ HTTP 307
    https://knot-resolver.cz/ HTTP 301
    https://www.knot-resolver.cz/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 1
  • https://websites.pages.labs.nic.cz/omnibar-ng/omnibar.js HTTP 302
  • https://websites.pages.nic.cz/omnibar-ng/omnibar.js

18 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
www.knot-resolver.cz/
Redirect Chain
  • http://knot-resolver.cz/
  • https://knot-resolver.cz/
  • https://www.knot-resolver.cz/
12 KB
5 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://www.knot-resolver.cz/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2001:1488:ac15:ff90::130 , Czech Republic, ASN25192 (CZNIC-AS, CZ),
Reverse DNS
Software
nginx /
Resource Hash
7210882d28806ba8ee0597bb04187a214d6c1cc4bb13d6a92bd3101e7e032f79
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
Strict-Transport-Security max-age=63072000; includeSubDomains; preload max-age=63072000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

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/124.0.0.0 Safari/537.36

Response headers

cache-control
max-age=600
content-encoding
gzip
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
content-type
text/html; charset=utf-8
date
Thu, 02 May 2024 23:27:01 GMT
etag
W/"8995d744792e5c49cabe5c018f7e485be91afa4b169ca5b554d24aff99642f0f"
expires
Fri, 03 May 2024 01:37:01 CEST
last-modified
Wed, 10 Apr 2024 10:34:45 GMT
referrer-policy
no-referrer
server
nginx
strict-transport-security
max-age=63072000; includeSubDomains; preload max-age=63072000; includeSubDomains; preload
vary
Origin
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN
x-xss-protection
1; mode=block

Redirect headers

content-length
178
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
content-type
text/html
date
Thu, 02 May 2024 23:27:00 GMT
location
https://www.knot-resolver.cz/
referrer-policy
no-referrer
server
nginx
strict-transport-security
max-age=63072000; includeSubDomains; preload
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN
x-xss-protection
1; mode=block
style.css
www.knot-resolver.cz/theme/css/ 		19 KB
19 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://www.knot-resolver.cz/theme/css/style.css?3b538898
Requested by
Host: www.knot-resolver.cz
URL: https://www.knot-resolver.cz/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2001:1488:ac15:ff90::130 , Czech Republic, ASN25192 (CZNIC-AS, CZ),
Reverse DNS
Software
nginx /
Resource Hash
19911af5cc2e3dfd14d0fffff896b448d5b03051ecd727c8512270e218d0ad70
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
Strict-Transport-Security max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
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/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 02 May 2024 23:27:01 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
referrer-policy
no-referrer
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
last-modified
Wed, 10 Apr 2024 10:34:47 GMT
server
nginx
x-content-type-options
nosniff
etag
"8995d744792e5c49cabe5c018f7e485be91afa4b169ca5b554d24aff99642f0f"
vary
Origin
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
cache-control
max-age=600
content-length
19105
x-xss-protection
1; mode=block
expires
Fri, 03 May 2024 01:37:01 CEST
omnibar.js
websites.pages.nic.cz/omnibar-ng/
Redirect Chain
  • https://websites.pages.labs.nic.cz/omnibar-ng/omnibar.js
  • https://websites.pages.nic.cz/omnibar-ng/omnibar.js
31 KB
31 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://websites.pages.nic.cz/omnibar-ng/omnibar.js
Requested by
Host: www.knot-resolver.cz
URL: https://www.knot-resolver.cz/
Protocol
H2
Server
2001:1488:800:400::2:96 , Czech Republic, ASN25192 (CZNIC-AS, CZ),
Reverse DNS
Software
nginx /
Resource Hash
ab296c495984ccd0614b5cb1624dd2230c905b770ab2335302bb35919aa90b63
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Response headers

date
Thu, 02 May 2024 23:27:01 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload
last-modified
Tue, 25 Apr 2023 13:53:58 GMT
server
nginx
etag
"1be61f039c587b3212d9036b68af8e71946e46c54d7ca1aa4b391bb2eb22bd0f"
vary
Origin
content-type
application/javascript
cache-control
max-age=600
content-length
31680
expires
Fri, 03 May 2024 01:37:01 CEST

Redirect headers

location
https://websites.pages.nic.cz/omnibar-ng/omnibar.js
date
Thu, 02 May 2024 23:27:01 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload
server
nginx
content-length
154
content-type
text/html
logo.svg
www.knot-resolver.cz//images/ 		3 KB
4 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.knot-resolver.cz//images/logo.svg
Requested by
Host: www.knot-resolver.cz
URL: https://www.knot-resolver.cz/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2001:1488:ac15:ff90::130 , Czech Republic, ASN25192 (CZNIC-AS, CZ),
Reverse DNS
Software
nginx /
Resource Hash
31495593802d705118ba902ba3346c1c8b1bd013726235e58326a710ebeee604
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
Strict-Transport-Security max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
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/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 02 May 2024 23:27:01 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
referrer-policy
no-referrer
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
last-modified
Tue, 22 Aug 2023 11:18:14 GMT
server
nginx
x-content-type-options
nosniff
etag
"8995d744792e5c49cabe5c018f7e485be91afa4b169ca5b554d24aff99642f0f"
vary
Origin
x-frame-options
SAMEORIGIN
content-type
image/svg+xml
cache-control
max-age=600
content-length
3094
x-xss-protection
1; mode=block
expires
Fri, 03 May 2024 01:37:01 CEST
cetin.svg
www.knot-resolver.cz/images/partners/ 		1 KB
2 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.knot-resolver.cz/images/partners/cetin.svg
Requested by
Host: www.knot-resolver.cz
URL: https://www.knot-resolver.cz/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2001:1488:ac15:ff90::130 , Czech Republic, ASN25192 (CZNIC-AS, CZ),
Reverse DNS
Software
nginx /
Resource Hash
99151d8e16ccd444e41d59176eefd51b8a3fed6bd3c488078abe599a10063dbf
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
Strict-Transport-Security max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
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/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 02 May 2024 23:27:01 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
referrer-policy
no-referrer
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
last-modified
Tue, 22 Aug 2023 11:18:14 GMT
server
nginx
x-content-type-options
nosniff
etag
"8995d744792e5c49cabe5c018f7e485be91afa4b169ca5b554d24aff99642f0f"
vary
Origin
x-frame-options
SAMEORIGIN
content-type
image/svg+xml
cache-control
max-age=600
content-length
1027
x-xss-protection
1; mode=block
expires
Fri, 03 May 2024 01:37:01 CEST
cloudflare.svg
www.knot-resolver.cz/images/partners/ 		2 KB
3 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.knot-resolver.cz/images/partners/cloudflare.svg
Requested by
Host: www.knot-resolver.cz
URL: https://www.knot-resolver.cz/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2001:1488:ac15:ff90::130 , Czech Republic, ASN25192 (CZNIC-AS, CZ),
Reverse DNS
Software
nginx /
Resource Hash
1839203b4b1dc62c328c67b0f512af80847e9d18dba3b355c8bafb49b7e45064
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
Strict-Transport-Security max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
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/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 02 May 2024 23:27:01 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
referrer-policy
no-referrer
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
last-modified
Tue, 22 Aug 2023 11:18:14 GMT
server
nginx
x-content-type-options
nosniff
etag
"8995d744792e5c49cabe5c018f7e485be91afa4b169ca5b554d24aff99642f0f"
vary
Origin
x-frame-options
SAMEORIGIN
content-type
image/svg+xml
cache-control
max-age=600
content-length
2499
x-xss-protection
1; mode=block
expires
Fri, 03 May 2024 01:37:01 CEST
whalebone.svg
www.knot-resolver.cz/images/partners/ 		8 KB
8 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.knot-resolver.cz/images/partners/whalebone.svg
Requested by
Host: www.knot-resolver.cz
URL: https://www.knot-resolver.cz/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2001:1488:ac15:ff90::130 , Czech Republic, ASN25192 (CZNIC-AS, CZ),
Reverse DNS
Software
nginx /
Resource Hash
154f28d710ca29bbf67c153dc2f735e8081a9cc416ac0f8a11d54adedebe5e37
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
Strict-Transport-Security max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
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/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 02 May 2024 23:27:01 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
referrer-policy
no-referrer
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
last-modified
Tue, 22 Aug 2023 11:18:14 GMT
server
nginx
x-content-type-options
nosniff
etag
"8995d744792e5c49cabe5c018f7e485be91afa4b169ca5b554d24aff99642f0f"
vary
Origin
x-frame-options
SAMEORIGIN
content-type
image/svg+xml
cache-control
max-age=600
content-length
7760
x-xss-protection
1; mode=block
expires
Fri, 03 May 2024 01:37:01 CEST
open_source.svg
www.knot-resolver.cz/images/features/ 		2 KB
3 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.knot-resolver.cz/images/features/open_source.svg
Requested by
Host: www.knot-resolver.cz
URL: https://www.knot-resolver.cz/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2001:1488:ac15:ff90::130 , Czech Republic, ASN25192 (CZNIC-AS, CZ),
Reverse DNS
Software
nginx /
Resource Hash
96ec63be0a0ffbda6165a64db451c9672cfda431baca8689bc5dfdfd243d6943
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
Strict-Transport-Security max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
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/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 02 May 2024 23:27:01 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
referrer-policy
no-referrer
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
last-modified
Tue, 22 Aug 2023 11:18:14 GMT
server
nginx
x-content-type-options
nosniff
etag
"8995d744792e5c49cabe5c018f7e485be91afa4b169ca5b554d24aff99642f0f"
vary
Origin
x-frame-options
SAMEORIGIN
content-type
image/svg+xml
cache-control
max-age=600
content-length
2132
x-xss-protection
1; mode=block
expires
Fri, 03 May 2024 01:37:01 CEST
feature_packed.svg
www.knot-resolver.cz/images/features/ 		4 KB
5 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.knot-resolver.cz/images/features/feature_packed.svg
Requested by
Host: www.knot-resolver.cz
URL: https://www.knot-resolver.cz/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2001:1488:ac15:ff90::130 , Czech Republic, ASN25192 (CZNIC-AS, CZ),
Reverse DNS
Software
nginx /
Resource Hash
1616656537a11c262c9aa08df88988fd117f04a70058733796147fc8f5aa1a09
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
Strict-Transport-Security max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
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/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 02 May 2024 23:27:01 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
referrer-policy
no-referrer
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
last-modified
Tue, 22 Aug 2023 11:18:14 GMT
server
nginx
x-content-type-options
nosniff
etag
"8995d744792e5c49cabe5c018f7e485be91afa4b169ca5b554d24aff99642f0f"
vary
Origin
x-frame-options
SAMEORIGIN
content-type
image/svg+xml
cache-control
max-age=600
content-length
4248
x-xss-protection
1; mode=block
expires
Fri, 03 May 2024 01:37:01 CEST
high_performance.svg
www.knot-resolver.cz/images/features/ 		1 KB
2 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.knot-resolver.cz/images/features/high_performance.svg
Requested by
Host: www.knot-resolver.cz
URL: https://www.knot-resolver.cz/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2001:1488:ac15:ff90::130 , Czech Republic, ASN25192 (CZNIC-AS, CZ),
Reverse DNS
Software
nginx /
Resource Hash
e9d4c47fef45e1b6d444d48da4545015f9d048e1a415c11d28e0ef09f65667e4
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
Strict-Transport-Security max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
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/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 02 May 2024 23:27:01 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
referrer-policy
no-referrer
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
last-modified
Tue, 22 Aug 2023 11:18:14 GMT
server
nginx
x-content-type-options
nosniff
etag
"8995d744792e5c49cabe5c018f7e485be91afa4b169ca5b554d24aff99642f0f"
vary
Origin
x-frame-options
SAMEORIGIN
content-type
image/svg+xml
cache-control
max-age=600
content-length
1297
x-xss-protection
1; mode=block
expires
Fri, 03 May 2024 01:37:01 CEST
secure_and_stable.svg
www.knot-resolver.cz/images/features/ 		954 B
1 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.knot-resolver.cz/images/features/secure_and_stable.svg
Requested by
Host: www.knot-resolver.cz
URL: https://www.knot-resolver.cz/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2001:1488:ac15:ff90::130 , Czech Republic, ASN25192 (CZNIC-AS, CZ),
Reverse DNS
Software
nginx /
Resource Hash
e96a633be06e1e1d0b0da09fb7e0c665c502ae15653dcc9d51d4c98f7c3c6095
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
Strict-Transport-Security max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
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/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 02 May 2024 23:27:01 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
referrer-policy
no-referrer
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
last-modified
Tue, 22 Aug 2023 11:18:14 GMT
server
nginx
x-content-type-options
nosniff
etag
"8995d744792e5c49cabe5c018f7e485be91afa4b169ca5b554d24aff99642f0f"
vary
Origin
x-frame-options
SAMEORIGIN
content-type
image/svg+xml
cache-control
max-age=600
content-length
954
x-xss-protection
1; mode=block
expires
Fri, 03 May 2024 01:37:01 CEST
knot.js
www.knot-resolver.cz/theme/js/ 		307 B
823 B 		Script
General
Check archive.org
Download Go to
Full URL
https://www.knot-resolver.cz/theme/js/knot.js?b631ee96
Requested by
Host: www.knot-resolver.cz
URL: https://www.knot-resolver.cz/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2001:1488:ac15:ff90::130 , Czech Republic, ASN25192 (CZNIC-AS, CZ),
Reverse DNS
Software
nginx /
Resource Hash
121b948d2c46e4c650a9dbc10adf297073fd9c791ee6be683c70147fc59f1a1d
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
Strict-Transport-Security max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
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/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 02 May 2024 23:27:01 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
referrer-policy
no-referrer
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
last-modified
Wed, 10 Apr 2024 10:34:44 GMT
server
nginx
x-content-type-options
nosniff
etag
"8995d744792e5c49cabe5c018f7e485be91afa4b169ca5b554d24aff99642f0f"
vary
Origin
x-frame-options
SAMEORIGIN
content-type
application/javascript
cache-control
max-age=600
content-length
307
x-xss-protection
1; mode=block
expires
Fri, 03 May 2024 01:37:01 CEST
base.js
www.knot-resolver.cz/theme/js/ 		628 B
1 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.knot-resolver.cz/theme/js/base.js?d2b462fe
Requested by
Host: www.knot-resolver.cz
URL: https://www.knot-resolver.cz/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2001:1488:ac15:ff90::130 , Czech Republic, ASN25192 (CZNIC-AS, CZ),
Reverse DNS
Software
nginx /
Resource Hash
9f19ea2df789df26b71b900200ad899668cf9a47ec1a3facde9c699ddbe66899
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
Strict-Transport-Security max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
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/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 02 May 2024 23:27:01 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
referrer-policy
no-referrer
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
last-modified
Wed, 10 Apr 2024 10:34:44 GMT
server
nginx
x-content-type-options
nosniff
etag
"8995d744792e5c49cabe5c018f7e485be91afa4b169ca5b554d24aff99642f0f"
vary
Origin
x-frame-options
SAMEORIGIN
content-type
application/javascript
cache-control
max-age=600
content-length
628
x-xss-protection
1; mode=block
expires
Fri, 03 May 2024 01:37:01 CEST
matomo.js
piwik.nic.cz/ 		64 KB
65 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://piwik.nic.cz/matomo.js
Requested by
Host: www.knot-resolver.cz
URL: https://www.knot-resolver.cz/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2001:1488:800:400::2:126 , Czech Republic, ASN25192 (CZNIC-AS, CZ),
Reverse DNS
Software
nginx /
Resource Hash
d7fc375178c93a2fc15fd888e30170eedf4ef3d04497e7f951ab7bfe0c921693

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
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/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

pragma
public
date
Thu, 02 May 2024 23:27:01 GMT
last-modified
Sat, 22 Oct 2022 14:18:02 GMT
server
nginx
etag
"6353fb9a-10132"
content-type
application/javascript
access-control-allow-origin
*
cache-control
max-age=3600, public
accept-ranges
bytes
content-length
65842
expires
Fri, 03 May 2024 00:27:01 GMT
basic-datafile-geek.json
www.nic.cz/files/CORS/projects-bar/ 		2 KB
928 B 		Fetch
General
Check archive.org
Download Go to
Full URL
https://www.nic.cz/files/CORS/projects-bar/basic-datafile-geek.json
Requested by
Host: websites.pages.labs.nic.cz
URL: https://websites.pages.labs.nic.cz/omnibar-ng/omnibar.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:1488:0:3::2 , Czech Republic, ASN25192 (CZNIC-AS, CZ),
Reverse DNS
Software
nginx /
Resource Hash
6101185acf8d25b6c49d0ba28924002b5056578b101e4348bd84a512f47a81d5
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
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/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 02 May 2024 23:27:01 GMT
content-encoding
gzip
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubDomains
last-modified
Tue, 07 Nov 2023 13:59:54 GMT
server
nginx
etag
W/"654a42da-80c"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
application/json
access-control-allow-origin
*
x-xss-protection
1; mode=block
matomo.php
piwik.nic.cz/ 		0
361 B 		Ping
General
Check archive.org
Download Go to
Full URL
https://piwik.nic.cz/matomo.php?action_name=Knot%20Resolver&idsite=41&rec=1&r=369862&h=1&m=27&s=1&url=https%3A%2F%2Fwww.knot-resolver.cz%2F&_id=&_idn=1&send_image=0&_refts=0&pdf=1&qt=0&realp=0&wma=0&fla=0&java=0&ag=0&cookie=1&res=1600x1200&pv_id=OEKa8E&pf_net=0&pf_srv=21&pf_tfr=1&pf_dm1=196&uadata=%7B%22fullVersionList%22%3A%5B%7B%22brand%22%3A%22Chromium%22%2C%22version%22%3A%22124.0.6367.118%22%7D%2C%7B%22brand%22%3A%22Google%20Chrome%22%2C%22version%22%3A%22124.0.6367.118%22%7D%2C%7B%22brand%22%3A%22Not-A.Brand%22%2C%22version%22%3A%2299.0.0.0%22%7D%5D%2C%22mobile%22%3Afalse%2C%22model%22%3A%22%22%2C%22platform%22%3A%22Win32%22%2C%22platformVersion%22%3A%2210.0.0%22%7D
Requested by
Host: piwik.nic.cz
URL: https://piwik.nic.cz/matomo.js
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2001:1488:800:400::2:126 , Czech Republic, ASN25192 (CZNIC-AS, CZ),
Reverse DNS
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-platform
"Win32"
Referer
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/124.0.0.0 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=utf-8

Response headers

date
Thu, 02 May 2024 23:27:01 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
referrer-policy
origin
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
server
nginx
x-content-type-options
nosniff
vary
Origin
x-frame-options
SAMEORIGIN
access-control-allow-origin
https://www.knot-resolver.cz
access-control-allow-credentials
true
x-xss-protection
1; mode=block
favicon.ico
www.knot-resolver.cz/images/favicons/ 		15 KB
15 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://www.knot-resolver.cz/images/favicons/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2001:1488:ac15:ff90::130 , Czech Republic, ASN25192 (CZNIC-AS, CZ),
Reverse DNS
Software
nginx /
Resource Hash
1c946cff10c41ee2614bb86009b3d4fb9ff266271dc9f2c60c5104eea0575f86
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
Strict-Transport-Security max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
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/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 02 May 2024 23:27:01 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload, max-age=63072000; includeSubDomains; preload
referrer-policy
no-referrer
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
last-modified
Tue, 22 Aug 2023 11:18:14 GMT
server
nginx
x-content-type-options
nosniff
etag
"8995d744792e5c49cabe5c018f7e485be91afa4b169ca5b554d24aff99642f0f"
vary
Origin
x-frame-options
SAMEORIGIN
content-type
image/x-icon
cache-control
max-age=600
content-length
15086
x-xss-protection
1; mode=block
expires
Fri, 03 May 2024 01:37:01 CEST
matomo.php
piwik.nic.cz/ 		0
361 B 		Ping
General
Check archive.org
Download Go to
Full URL
https://piwik.nic.cz/matomo.php?action_name=Knot%20Resolver&idsite=41&rec=1&r=069518&h=1&m=27&s=1&url=https%3A%2F%2Fwww.knot-resolver.cz%2F&_id=&_idn=1&send_image=0&_refts=0&pdf=1&qt=0&realp=0&wma=0&fla=0&java=0&ag=0&cookie=1&res=1600x1200&pv_id=T9j74S&pf_net=0&pf_srv=21&pf_tfr=1&pf_dm1=196&uadata=%7B%22fullVersionList%22%3A%5B%7B%22brand%22%3A%22Chromium%22%2C%22version%22%3A%22124.0.6367.118%22%7D%2C%7B%22brand%22%3A%22Google%20Chrome%22%2C%22version%22%3A%22124.0.6367.118%22%7D%2C%7B%22brand%22%3A%22Not-A.Brand%22%2C%22version%22%3A%2299.0.0.0%22%7D%5D%2C%22mobile%22%3Afalse%2C%22model%22%3A%22%22%2C%22platform%22%3A%22Win32%22%2C%22platformVersion%22%3A%2210.0.0%22%7D
Requested by
Host: piwik.nic.cz
URL: https://piwik.nic.cz/matomo.js
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2001:1488:800:400::2:126 , Czech Republic, ASN25192 (CZNIC-AS, CZ),
Reverse DNS
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-platform
"Win32"
Referer
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/124.0.0.0 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=utf-8

Response headers

date
Thu, 02 May 2024 23:27:02 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
referrer-policy
origin
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
server
nginx
x-content-type-options
nosniff
vary
Origin
x-frame-options
SAMEORIGIN
access-control-allow-origin
https://www.knot-resolver.cz
access-control-allow-credentials
true
x-xss-protection
1; mode=block

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| nicWidgets object| videoPlaceholder object| _paq object| nicWidgetsBar object| Piwik object| Matomo object| AnalyticsTracker function| piwik_log

0 Cookies

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
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; upgrade-insecure-requests;
Strict-Transport-Security max-age=63072000; includeSubDomains; preload max-age=63072000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block