Submitted URL: http://codecheck.io/
Effective URL: https://horstmann.com/codecheck/index.html
Submission: On February 26 via api from US — Scanned from DE

Summary

This website contacted 1 IPs in 1 countries across 2 domains to perform 10 HTTP transactions. The main IP is 68.66.226.114, located in United States and belongs to A2HOSTING, US. The main domain is horstmann.com.
TLS certificate: Issued by R3 on January 25th 2024. Valid for: 3 months.
This is the only time horstmann.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
2 2 2001:4860:480... 15169 (GOOGLE)
10 68.66.226.114 55293 (A2HOSTING)
10 1
Apex Domain
Subdomains
Transfer
10 horstmann.com
horstmann.com
3 MB
2 codecheck.io
codecheck.io
364 B
10 2
Domain Requested by
10 horstmann.com horstmann.com
2 codecheck.io 2 redirects
10 2

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

Domain
codecheck.io
www.youtube.com
www.codeday.org
github.com
Subject Issuer Validity Valid
horstmann.com
R3
2024-01-25 -
2024-04-24
3 months crt.sh

This page contains 1 frames:

Primary Page: https://horstmann.com/codecheck/index.html
Frame ID: C7DD27A147383BF49638DE6341215142
Requests: 10 HTTP requests in this frame

Screenshot

Page Title

CodeCheck

Page URL History Show full URLs

  1. http://codecheck.io/ HTTP 302
    https://codecheck.io/ HTTP 303
    https://horstmann.com/codecheck/index.html Page URL

Page Statistics

10
Requests

100 %
HTTPS

50 %
IPv6

2
Domains

2
Subdomains

1
IPs

1
Countries

3206 kB
Transfer

3229 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://codecheck.io/ HTTP 302
    https://codecheck.io/ HTTP 303
    https://horstmann.com/codecheck/index.html Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

10 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request index.html
horstmann.com/codecheck/
Redirect Chain
  • http://codecheck.io/
  • https://codecheck.io/
  • https://horstmann.com/codecheck/index.html
14 KB
6 KB
Document
General
Full URL
https://horstmann.com/codecheck/index.html
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
68.66.226.114 , United States, ASN55293 (A2HOSTING, US),
Reverse DNS
az1-ss99.a2hosting.com
Software
Apache /
Resource Hash
982f52d14f50c3cc9b018bf8a3355a2e38c91c478bdf14895ec5b84383c9f973
Security Headers
Name Value
Content-Security-Policy frame-ancestors https://* file://*
Strict-Transport-Security max-age=63072000; includeSubDomains
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/122.0.6261.69 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

Accept-Ranges
bytes
Access-Control-Allow-Origin
*
Cache-Control
max-age=3600, must-revalidate
Connection
Keep-Alive
Content-Encoding
gzip
Content-Length
5384
Content-Security-Policy
frame-ancestors https://* file://*
Content-Type
text/html; charset=utf-8
Date
Mon, 26 Feb 2024 18:14:32 GMT
Keep-Alive
timeout=3, max=500
Last-Modified
Sat, 20 Jan 2024 21:51:48 GMT
Server
Apache
Strict-Transport-Security
max-age=63072000; includeSubDomains
Vary
Accept-Encoding
X-Content-Type-Options
nosniff

Redirect headers

content-length
0
content-type
text/html
date
Mon, 26 Feb 2024 18:14:31 GMT
location
https://horstmann.com/codecheck/index.html
server
Google Frontend
vary
Origin
x-cloud-trace-context
229767e288e11464afdac32ed6a0ab1d
stylesheet.css
horstmann.com/codecheck/
2 KB
1 KB
Stylesheet
General
Full URL
https://horstmann.com/codecheck/stylesheet.css
Requested by
Host: horstmann.com
URL: https://horstmann.com/codecheck/index.html
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
68.66.226.114 , United States, ASN55293 (A2HOSTING, US),
Reverse DNS
az1-ss99.a2hosting.com
Software
Apache /
Resource Hash
912ed79470985e3efad905fed45d0e760d05e6ac4fccbe91392721c53b4597e6
Security Headers
Name Value
Content-Security-Policy frame-ancestors https://* file://*
Strict-Transport-Security max-age=63072000; includeSubDomains
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://horstmann.com/codecheck/index.html
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.69 Safari/537.36

Response headers

Date
Mon, 26 Feb 2024 18:14:32 GMT
Strict-Transport-Security
max-age=63072000; includeSubDomains
X-Content-Type-Options
nosniff
Content-Security-Policy
frame-ancestors https://* file://*
Last-Modified
Sun, 27 Jan 2008 23:59:30 GMT
Server
Apache
Content-Encoding
gzip
Vary
Accept-Encoding
Content-Type
text/css
Access-Control-Allow-Origin
*
Cache-Control
max-age=604800, public
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=3, max=499
Content-Length
609
styles.css
horstmann.com/
22 KB
12 KB
Stylesheet
General
Full URL
https://horstmann.com/styles.css
Requested by
Host: horstmann.com
URL: https://horstmann.com/codecheck/index.html
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
68.66.226.114 , United States, ASN55293 (A2HOSTING, US),
Reverse DNS
az1-ss99.a2hosting.com
Software
Apache /
Resource Hash
ae0f40159d1c4197ab1403649d333039a43baaf9c31bafc186932cd6e2aab28a
Security Headers
Name Value
Content-Security-Policy frame-ancestors https://* file://*
Strict-Transport-Security max-age=63072000; includeSubDomains
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://horstmann.com/codecheck/index.html
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.69 Safari/537.36

Response headers

Date
Mon, 26 Feb 2024 18:14:32 GMT
Strict-Transport-Security
max-age=63072000; includeSubDomains
X-Content-Type-Options
nosniff
Content-Security-Policy
frame-ancestors https://* file://*
Last-Modified
Mon, 26 Feb 2024 11:12:44 GMT
Server
Apache
Content-Encoding
gzip
Vary
Accept-Encoding
Content-Type
text/css
Access-Control-Allow-Origin
*
Cache-Control
max-age=604800, public
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=3, max=498
Content-Length
11802
checksubmit.js
horstmann.com/
513 B
779 B
Script
General
Full URL
https://horstmann.com/checksubmit.js
Requested by
Host: horstmann.com
URL: https://horstmann.com/codecheck/index.html
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
68.66.226.114 , United States, ASN55293 (A2HOSTING, US),
Reverse DNS
az1-ss99.a2hosting.com
Software
Apache /
Resource Hash
b54a8fb8e870d4972ac2ad67abb4de7d93ab60567c3e589b68f76722fd6444c9
Security Headers
Name Value
Content-Security-Policy frame-ancestors https://* file://*
Strict-Transport-Security max-age=63072000; includeSubDomains
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://horstmann.com/codecheck/index.html
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.69 Safari/537.36

Response headers

Date
Mon, 26 Feb 2024 18:14:32 GMT
Strict-Transport-Security
max-age=63072000; includeSubDomains
X-Content-Type-Options
nosniff
Content-Security-Policy
frame-ancestors https://* file://*
Last-Modified
Sun, 03 Jun 2018 18:05:22 GMT
Server
Apache
Content-Encoding
gzip
Vary
Accept-Encoding
Content-Type
application/javascript
Access-Control-Allow-Origin
*
Cache-Control
max-age=604800, public
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=3, max=500
Content-Length
248
NotoSans-Regular.ttf
horstmann.com/fonts/
543 KB
544 KB
Font
General
Full URL
https://horstmann.com/fonts/NotoSans-Regular.ttf
Requested by
Host: horstmann.com
URL: https://horstmann.com/styles.css
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
68.66.226.114 , United States, ASN55293 (A2HOSTING, US),
Reverse DNS
az1-ss99.a2hosting.com
Software
Apache /
Resource Hash
2ec33f84606cbaa0a1a944488e14f97faf2f6a25ecdd8354f5358f06da13c7d9
Security Headers
Name Value
Content-Security-Policy frame-ancestors https://* file://*
Strict-Transport-Security max-age=63072000; includeSubDomains
X-Content-Type-Options nosniff

Request headers

Referer
https://horstmann.com/styles.css
Origin
https://horstmann.com
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/122.0.6261.69 Safari/537.36

Response headers

Date
Mon, 26 Feb 2024 18:14:33 GMT
Strict-Transport-Security
max-age=63072000; includeSubDomains
X-Content-Type-Options
nosniff
Content-Security-Policy
frame-ancestors https://* file://*
Last-Modified
Thu, 05 Oct 2023 22:39:16 GMT
Server
Apache
Content-Type
application/x-font-ttf
Access-Control-Allow-Origin
*
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=3, max=499
Content-Length
556216
PTSans-Bold.ttf
horstmann.com/fonts/
282 KB
282 KB
Font
General
Full URL
https://horstmann.com/fonts/PTSans-Bold.ttf
Requested by
Host: horstmann.com
URL: https://horstmann.com/styles.css
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
68.66.226.114 , United States, ASN55293 (A2HOSTING, US),
Reverse DNS
az1-ss99.a2hosting.com
Software
Apache /
Resource Hash
6233f84e139f226690649b3105c077b0f87ec24a23ca4a18ada298c962a06f4f
Security Headers
Name Value
Content-Security-Policy frame-ancestors https://* file://*
Strict-Transport-Security max-age=63072000; includeSubDomains
X-Content-Type-Options nosniff

Request headers

Referer
https://horstmann.com/styles.css
Origin
https://horstmann.com
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/122.0.6261.69 Safari/537.36

Response headers

Date
Mon, 26 Feb 2024 18:14:33 GMT
Strict-Transport-Security
max-age=63072000; includeSubDomains
X-Content-Type-Options
nosniff
Content-Security-Policy
frame-ancestors https://* file://*
Last-Modified
Mon, 20 Sep 2010 22:00:00 GMT
Server
Apache
Content-Type
application/x-font-ttf
Access-Control-Allow-Origin
*
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=3, max=497
Content-Length
288340
NotoSans-Bold.ttf
horstmann.com/fonts/
544 KB
545 KB
Font
General
Full URL
https://horstmann.com/fonts/NotoSans-Bold.ttf
Requested by
Host: horstmann.com
URL: https://horstmann.com/styles.css
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
68.66.226.114 , United States, ASN55293 (A2HOSTING, US),
Reverse DNS
az1-ss99.a2hosting.com
Software
Apache /
Resource Hash
8b6389d671315ddf9e50ab4419a3b8a40298b709a46e785a345ef2ecf473b8d6
Security Headers
Name Value
Content-Security-Policy frame-ancestors https://* file://*
Strict-Transport-Security max-age=63072000; includeSubDomains
X-Content-Type-Options nosniff

Request headers

Referer
https://horstmann.com/styles.css
Origin
https://horstmann.com
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/122.0.6261.69 Safari/537.36

Response headers

Date
Mon, 26 Feb 2024 18:14:33 GMT
Strict-Transport-Security
max-age=63072000; includeSubDomains
X-Content-Type-Options
nosniff
Content-Security-Policy
frame-ancestors https://* file://*
Last-Modified
Thu, 05 Oct 2023 22:39:16 GMT
Server
Apache
Content-Type
application/x-font-ttf
Access-Control-Allow-Origin
*
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=3, max=500
Content-Length
557380
NotoSansMono-VariableFont_wdth,wght.ttf
horstmann.com/fonts/
2 MB
2 MB
Font
General
Full URL
https://horstmann.com/fonts/NotoSansMono-VariableFont_wdth,wght.ttf
Requested by
Host: horstmann.com
URL: https://horstmann.com/styles.css
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
68.66.226.114 , United States, ASN55293 (A2HOSTING, US),
Reverse DNS
az1-ss99.a2hosting.com
Software
Apache /
Resource Hash
f46274b6ea3106a7262694302c0c2b23c44de50f701e346138fd19bc2008c992
Security Headers
Name Value
Content-Security-Policy frame-ancestors https://* file://*
Strict-Transport-Security max-age=63072000; includeSubDomains
X-Content-Type-Options nosniff

Request headers

Referer
https://horstmann.com/styles.css
Origin
https://horstmann.com
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/122.0.6261.69 Safari/537.36

Response headers

Date
Mon, 26 Feb 2024 18:14:33 GMT
Strict-Transport-Security
max-age=63072000; includeSubDomains
X-Content-Type-Options
nosniff
Content-Security-Policy
frame-ancestors https://* file://*
Last-Modified
Wed, 25 Oct 2023 17:41:56 GMT
Server
Apache
Content-Type
application/x-font-ttf
Access-Control-Allow-Origin
*
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=3, max=500
Content-Length
1707908
report2.png
horstmann.com/codecheck/
56 KB
52 KB
Image
General
Full URL
https://horstmann.com/codecheck/report2.png
Requested by
Host: horstmann.com
URL: https://horstmann.com/codecheck/index.html
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
68.66.226.114 , United States, ASN55293 (A2HOSTING, US),
Reverse DNS
az1-ss99.a2hosting.com
Software
Apache /
Resource Hash
d938af032da8d1cd33fd640a862ee15ecbfe0d7a3fc60d06881f1db0f07322e0
Security Headers
Name Value
Content-Security-Policy frame-ancestors https://* file://*
Strict-Transport-Security max-age=63072000; includeSubDomains
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://horstmann.com/codecheck/index.html
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.69 Safari/537.36

Response headers

Date
Mon, 26 Feb 2024 18:14:33 GMT
Strict-Transport-Security
max-age=63072000; includeSubDomains
X-Content-Type-Options
nosniff
Content-Security-Policy
frame-ancestors https://* file://*
Last-Modified
Fri, 18 Mar 2016 19:02:29 GMT
Server
Apache
Content-Encoding
gzip
Vary
Accept-Encoding
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
max-age=604800, public
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=3, max=500
Content-Length
52966
video-tutorial.png
horstmann.com/codecheck/
99 KB
96 KB
Image
General
Full URL
https://horstmann.com/codecheck/video-tutorial.png
Requested by
Host: horstmann.com
URL: https://horstmann.com/codecheck/index.html
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
68.66.226.114 , United States, ASN55293 (A2HOSTING, US),
Reverse DNS
az1-ss99.a2hosting.com
Software
Apache /
Resource Hash
5b089c7893f9bec9939b485e34e5e007f1c78816d63d694dece6651b5bbfeae2
Security Headers
Name Value
Content-Security-Policy frame-ancestors https://* file://*
Strict-Transport-Security max-age=63072000; includeSubDomains
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://horstmann.com/codecheck/index.html
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.69 Safari/537.36

Response headers

Date
Mon, 26 Feb 2024 18:14:33 GMT
Strict-Transport-Security
max-age=63072000; includeSubDomains
X-Content-Type-Options
nosniff
Content-Security-Policy
frame-ancestors https://* file://*
Last-Modified
Mon, 18 Jul 2022 17:05:16 GMT
Server
Apache
Content-Encoding
gzip
Vary
Accept-Encoding
Transfer-Encoding
chunked
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
max-age=604800, public
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=3, max=500

Verdicts & Comments Add Verdict or Comment

2 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.

function| load function| checksubmit

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 frame-ancestors https://* file://*
Strict-Transport-Security max-age=63072000; includeSubDomains
X-Content-Type-Options nosniff