URL: https://web1.kalkul.cz/
Submission: On May 08 via api from US — Scanned from DE

Summary

This website contacted 1 IPs in 1 countries across 1 domains to perform 8 HTTP transactions. The main IP is 2a00:19a0:3:72:0:d9c6:724c:1, located in Czech Republic and belongs to ZONER-AS, CZ. The main domain is web1.kalkul.cz.
TLS certificate: Issued by Encryption Everywhere DV TLS CA - G2 on May 8th 2024. Valid for: a year.
This is the only time web1.kalkul.cz was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
8 2a00:19a0:3:7... 34222 (ZONER-AS)
8 1
Apex Domain
Subdomains
Transfer
8 kalkul.cz
web1.kalkul.cz
4 KB
8 1
Domain Requested by
8 web1.kalkul.cz web1.kalkul.cz
8 1

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

Domain
github.com
mastodon.social
twitter.com
youtube.com
Subject Issuer Validity Valid
web1.kalkul.cz
Encryption Everywhere DV TLS CA - G2
2024-05-08 -
2025-05-07
a year crt.sh

This page contains 1 frames:

Primary Page: https://web1.kalkul.cz/
Frame ID: 7DABEC83B9C6321D1C342B7A3E847636
Requests: 8 HTTP requests in this frame

Screenshot

Page Title

Home

Detected technologies

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]*?bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.css
  • bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js

Page Statistics

8
Requests

100 %
HTTPS

100 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

4 kB
Transfer

6 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

8 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
web1.kalkul.cz/
4 KB
2 KB
Document
General
Full URL
https://web1.kalkul.cz/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2a00:19a0:3:72:0:d9c6:724c:1 , Czech Republic, ASN34222 (ZONER-AS, CZ),
Reverse DNS
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
67ff368503744581be7dc5d31b33e40c383a00fa2e29894da5f2122a4448758d

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
sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

accept-ranges
bytes
content-encoding
gzip
content-length
1638
content-type
text/html
date
Wed, 08 May 2024 22:38:33 GMT
etag
"f6c86e3b5da1da1:0"
last-modified
Wed, 08 May 2024 15:34:36 GMT
server
Microsoft-IIS/10.0
vary
Accept-Encoding
x-powered-by
ASP.NET
bootstrap.min.css
web1.kalkul.cz/css/
0
0
Stylesheet
General
Full URL
https://web1.kalkul.cz/css/bootstrap.min.css
Requested by
Host: web1.kalkul.cz
URL: https://web1.kalkul.cz/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2a00:19a0:3:72:0:d9c6:724c:1 , Czech Republic, ASN34222 (ZONER-AS, CZ),
Reverse DNS
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://web1.kalkul.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/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 08 May 2024 22:38:33 GMT
server
Microsoft-IIS/10.0
x-powered-by
ASP.NET
content-length
1245
content-type
text/html
prism-default-dark.css
web1.kalkul.cz/css/
0
0
Stylesheet
General
Full URL
https://web1.kalkul.cz/css/prism-default-dark.css
Requested by
Host: web1.kalkul.cz
URL: https://web1.kalkul.cz/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2a00:19a0:3:72:0:d9c6:724c:1 , Czech Republic, ASN34222 (ZONER-AS, CZ),
Reverse DNS
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://web1.kalkul.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/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 08 May 2024 22:38:33 GMT
server
Microsoft-IIS/10.0
x-powered-by
ASP.NET
content-length
1245
content-type
text/html
bootstrap-icons.min.css
web1.kalkul.cz/css/
0
0
Stylesheet
General
Full URL
https://web1.kalkul.cz/css/bootstrap-icons.min.css
Requested by
Host: web1.kalkul.cz
URL: https://web1.kalkul.cz/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2a00:19a0:3:72:0:d9c6:724c:1 , Czech Republic, ASN34222 (ZONER-AS, CZ),
Reverse DNS
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://web1.kalkul.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/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 08 May 2024 22:38:33 GMT
server
Microsoft-IIS/10.0
x-powered-by
ASP.NET
content-length
1245
content-type
text/html
logo.svg
web1.kalkul.cz/images/
1 KB
1 KB
Image
General
Full URL
https://web1.kalkul.cz/images/logo.svg
Requested by
Host: web1.kalkul.cz
URL: https://web1.kalkul.cz/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2a00:19a0:3:72:0:d9c6:724c:1 , Czech Republic, ASN34222 (ZONER-AS, CZ),
Reverse DNS
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
dc1d54dab6ec8c00f70137927504e4f222c8395f10760b6beecfcfa94e08249f

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://web1.kalkul.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/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 08 May 2024 22:38:33 GMT
server
Microsoft-IIS/10.0
x-powered-by
ASP.NET
content-length
1245
content-type
text/html
bootstrap.bundle.min.js
web1.kalkul.cz/js/
0
0
Script
General
Full URL
https://web1.kalkul.cz/js/bootstrap.bundle.min.js
Requested by
Host: web1.kalkul.cz
URL: https://web1.kalkul.cz/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2a00:19a0:3:72:0:d9c6:724c:1 , Czech Republic, ASN34222 (ZONER-AS, CZ),
Reverse DNS
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://web1.kalkul.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/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 08 May 2024 22:38:33 GMT
server
Microsoft-IIS/10.0
x-powered-by
ASP.NET
content-length
1245
content-type
text/html
syntax-highlighting.js
web1.kalkul.cz/js/
0
0
Script
General
Full URL
https://web1.kalkul.cz/js/syntax-highlighting.js
Requested by
Host: web1.kalkul.cz
URL: https://web1.kalkul.cz/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2a00:19a0:3:72:0:d9c6:724c:1 , Czech Republic, ASN34222 (ZONER-AS, CZ),
Reverse DNS
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://web1.kalkul.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/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 08 May 2024 22:38:33 GMT
server
Microsoft-IIS/10.0
x-powered-by
ASP.NET
content-length
1245
content-type
text/html
favicon.ico
web1.kalkul.cz/
1 KB
1 KB
Other
General
Full URL
https://web1.kalkul.cz/favicon.ico
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2a00:19a0:3:72:0:d9c6:724c:1 , Czech Republic, ASN34222 (ZONER-AS, CZ),
Reverse DNS
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
dc1d54dab6ec8c00f70137927504e4f222c8395f10760b6beecfcfa94e08249f

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://web1.kalkul.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/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 08 May 2024 22:38:33 GMT
server
Microsoft-IIS/10.0
x-powered-by
ASP.NET
content-length
1245
content-type
text/html

Verdicts & Comments Add Verdict or Comment

0 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.

0 Cookies

7 Console Messages

Source Level URL
Text
network error URL: https://web1.kalkul.cz/css/bootstrap.min.css
Message:
Failed to load resource: the server responded with a status of 404 ()
network error URL: https://web1.kalkul.cz/css/prism-default-dark.css
Message:
Failed to load resource: the server responded with a status of 404 ()
network error URL: https://web1.kalkul.cz/js/bootstrap.bundle.min.js
Message:
Failed to load resource: the server responded with a status of 404 ()
network error URL: https://web1.kalkul.cz/images/logo.svg
Message:
Failed to load resource: the server responded with a status of 404 ()
network error URL: https://web1.kalkul.cz/css/bootstrap-icons.min.css
Message:
Failed to load resource: the server responded with a status of 404 ()
network error URL: https://web1.kalkul.cz/js/syntax-highlighting.js
Message:
Failed to load resource: the server responded with a status of 404 ()
network error URL: https://web1.kalkul.cz/favicon.ico
Message:
Failed to load resource: the server responded with a status of 404 ()

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.

web1.kalkul.cz
2a00:19a0:3:72:0:d9c6:724c:1
67ff368503744581be7dc5d31b33e40c383a00fa2e29894da5f2122a4448758d
dc1d54dab6ec8c00f70137927504e4f222c8395f10760b6beecfcfa94e08249f