horstmann.com - urlscan.io

Summary

This website contacted 1 IPs in 1 countries across 1 domains to perform 7 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 cPanel, Inc. Certification Authority on November 11th 2023. 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
1 8	68.66.226.114 68.66.226.114		55293 (A2HOSTING) (A2HOSTING)
7	1

8 68.66.226.114 (United States) 1 redirects

ASN55293 (A2HOSTING, US)
PTR: az1-ss99.a2hosting.com

horstmann.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
8	horstmann.com 1 redirects horstmann.com	3 MB
7	1

	Domain	Requested by
8	horstmann.com	1 redirects horstmann.com
7	1

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

Domain
www.uni-kiel.de
www.kiel.de
www.syr.edu
www.umich.edu
sjsu.edu
javaalmanac.io
codecheck.io
gridworld.info
en.wikipedia.org

Subject Issuer	Validity	Valid
horstmann.com cPanel, Inc. Certification Authority	`2023-11-11` - `2024-02-09`	3 months	crt.sh

This page contains 1 frames:

Primary Page: https://horstmann.com/
Frame ID: D7A069A6DE95681693021B42665DA9A9
Requests: 7 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Cay Horstmann's Home Page

Page URL History Show full URLs

http://horstmann.com/ HTTP 301
https://horstmann.com/ Page URL

Page Statistics

7
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

2577 kB
Transfer

2588 kB
Size

0
Cookies

9 Outgoing links

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

URL: http://www.uni-kiel.de/
Title: Christian-Albrechts-Universität

Search URL Search Domain Scan URL

URL: http://www.kiel.de/
Title: Kiel

Search URL Search Domain Scan URL

URL: http://www.syr.edu/
Title: Syracuse University

Search URL Search Domain Scan URL

URL: http://www.umich.edu/
Title: University of Michigan

Search URL Search Domain Scan URL

URL: http://sjsu.edu/
Title: San Jose State University

Search URL Search Domain Scan URL

URL: https://javaalmanac.io/features
Title: Java Almanac

Search URL Search Domain Scan URL

URL: https://codecheck.io/
Title: CodeCheck

Search URL Search Domain Scan URL

URL: http://gridworld.info/
Title: GridWorld

Search URL Search Domain Scan URL

URL: https://en.wikipedia.org/wiki/ChiWriter
Title: ChiWriter, an ancient word processor

Search URL Search Domain Scan URL

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

http://horstmann.com/ HTTP 301
https://horstmann.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

7 HTTP transactions
0 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H/1.1

200
OK

Primary Request / Show response
horstmann.com/
Redirect Chain

http://horstmann.com/
https://horstmann.com/

6 KB
3 KB

932ms
582ms

Document
text/html

68.66.226.114
A2HOSTING

General

Check archive.org

Show headers Download Go to

Full URL

https://horstmann.com/

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

953dcea21c38d61f1339dc7fd0dd70eaa7980fce46a5db121a124398f77b76b1

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/120.0.6099.71 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: 2544
Content-Security-Policy: frame-ancestors https://* file://*
Content-Type: text/html; charset=utf-8
Date: Sun, 10 Dec 2023 06:00:52 GMT
Keep-Alive: timeout=3, max=500
Last-Modified: Fri, 10 Nov 2023 15:11:35 GMT
Server: Apache
Strict-Transport-Security: max-age=63072000; includeSubDomains
Vary: Accept-Encoding
X-Content-Type-Options: nosniff

Redirect headers

Connection: Keep-Alive
Content-Length: 230
Content-Type: text/html; charset=iso-8859-1
Date: Sun, 10 Dec 2023 06:00:51 GMT
Keep-Alive: timeout=3, max=500
Location: https://horstmann.com/
Server: Apache
Strict-Transport-Security: max-age=63072000; includeSubDomains
X-Content-Type-Options: nosniff

GET
H/1.1 200
OK styles.css
horstmann.com/ 21 KB
12 KB 179ms
178ms Stylesheet
text/css 68.66.226.114
A2HOSTING

General

Check archive.org

Show headers Download Go to

Full URL

https://horstmann.com/styles.css

Requested by

Host: horstmann.com
URL: https://horstmann.com/

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

e2776d7377460784a78cd6fdb4c8694529153b0f2ff9c7272850fa7264aab2ee

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/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

Date: Sun, 10 Dec 2023 06:00:52 GMT
Strict-Transport-Security: max-age=63072000; includeSubDomains
X-Content-Type-Options: nosniff
Content-Security-Policy: frame-ancestors https://* file://*
Last-Modified: Fri, 10 Nov 2023 15:10:04 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: 11631

GET
H/1.1 200
OK NotoSans-Regular.ttf
horstmann.com/fonts/ 543 KB
544 KB 178ms
178ms Font
application/x-font-ttf 68.66.226.114
A2HOSTING

General

Check archive.org

Show headers Download Go to

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

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/120.0.6099.71 Safari/537.36

Response headers

Date: Sun, 10 Dec 2023 06:00:52 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=498
Content-Length: 556216

GET
H/1.1 200
OK PTSans-Bold.ttf
horstmann.com/fonts/ 282 KB
282 KB 532ms
180ms Font
application/x-font-ttf 68.66.226.114
A2HOSTING

General

Check archive.org

Show headers Download Go to

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/120.0.6099.71 Safari/537.36

Response headers

Date: Sun, 10 Dec 2023 06:00:53 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=500
Content-Length: 288340

GET
H/1.1 200
OK NotoSansMono-VariableFont_wdth,wght.ttf
horstmann.com/fonts/ 2 MB
2 MB 549ms
189ms Font
application/x-font-ttf 68.66.226.114
A2HOSTING

General

Check archive.org

Show headers Download Go to

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/120.0.6099.71 Safari/537.36

Response headers

Date: Sun, 10 Dec 2023 06:00:53 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

GET
H/1.1 200
OK cay-rowing.gif
horstmann.com/images/ 66 KB
66 KB 525ms
179ms Image
image/gif 68.66.226.114
A2HOSTING

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://horstmann.com/images/cay-rowing.gif

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

90c6a464d7acb2302f8f38a5e08e9bb863a583f14e5b0322ed639e85bfa2161d

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/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

Date: Sun, 10 Dec 2023 06:00:53 GMT
Strict-Transport-Security: max-age=63072000; includeSubDomains
X-Content-Type-Options: nosniff
Content-Security-Policy: frame-ancestors https://* file://*
Last-Modified: Mon, 01 Mar 2004 09:57:00 GMT
Server: Apache
Content-Encoding: gzip
Vary: Accept-Encoding
Transfer-Encoding: chunked
Content-Type: image/gif
Access-Control-Allow-Origin: *
Cache-Control: max-age=604800, public
Connection: Keep-Alive
Accept-Ranges: bytes
Keep-Alive: timeout=3, max=500

GET
H/1.1 200
OK violet.jpg
horstmann.com/images/ 2 KB
3 KB 535ms
178ms Image
image/jpeg 68.66.226.114
A2HOSTING

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://horstmann.com/images/violet.jpg

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

0877a5d98c704d966056ad24264a5da3ce1813292626e59598aa60b29e189eb3

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/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

Date: Sun, 10 Dec 2023 06:00:53 GMT
Strict-Transport-Security: max-age=63072000; includeSubDomains
X-Content-Type-Options: nosniff
Content-Security-Policy: frame-ancestors https://* file://*
Last-Modified: Fri, 19 Sep 2003 04:00:00 GMT
Server: Apache
Content-Encoding: gzip
Vary: Accept-Encoding
Content-Type: image/jpeg
Access-Control-Allow-Origin: *
Cache-Control: max-age=604800, public
Connection: Keep-Alive
Accept-Ranges: bytes
Keep-Alive: timeout=3, max=500
Content-Length: 2138

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| documentPictureInPicture

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
Content-Security-Policy	frame-ancestors https://* file://*
Strict-Transport-Security	max-age=63072000; includeSubDomains
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.

horstmann.com
68.66.226.114
0877a5d98c704d966056ad24264a5da3ce1813292626e59598aa60b29e189eb3
6233f84e139f226690649b3105c077b0f87ec24a23ca4a18ada298c962a06f4f
90c6a464d7acb2302f8f38a5e08e9bb863a583f14e5b0322ed639e85bfa2161d
953dcea21c38d61f1339dc7fd0dd70eaa7980fce46a5db121a124398f77b76b1
e2776d7377460784a78cd6fdb4c8694529153b0f2ff9c7272850fa7264aab2ee
f46274b6ea3106a7262694302c0c2b23c44de50f701e346138fd19bc2008c992

horstmann.com Open in urlscan Pro 68.66.226.114 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Page Statistics

7 Requests

100 %HTTPS

0 %IPv6

1 Domains

1 Subdomains

1 IPs

1 Countries

2577 kBTransfer

2588 kBSize

0 Cookies

9 Outgoing links

Page URL History

Redirected requests

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

Request headers

Response headers

Redirect 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

horstmann.com Open in urlscan Pro
68.66.226.114 Public Scan

Screenshot
Live screenshot

Full Image

7
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

2577 kB
Transfer

2588 kB
Size

0
Cookies

7 HTTP transactions
0 data transactions