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bio.serious-security.nl Open in urlscan Pro
83.137.144.37  Public Scan

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Submitted URL: https://bio.serious-security.nl/
Effective URL: https://bio.serious-security.nl/chapters
Submission: On August 18 via automatic, source certstream-suspicious — Scanned from NL
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 3 IPs in 2 countries across 4 domains to perform 7 HTTP transactions. The main IP is 83.137.144.37, located in Eelde, Netherlands and belongs to DUOCAST-AS, NL. The main domain is bio.serious-security.nl.
TLS certificate: Issued by R11 on June 16th 2024. Valid for: 3 months.
This is the only time bio.serious-security.nl was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 6 83.137.144.37 31477 (DUOCAST-AS)
1 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
7 3
Apex Domain
Subdomains		 Transfer
5 serious-security.nl
bio.serious-security.nl
370 KB
1 gstatic.com
fonts.gstatic.com
16 KB
1 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 110
962 B
1 serioussecurity.nl
bio.serioussecurity.nl
10 KB
7 4
Domain Requested by
5 bio.serious-security.nl 1 redirects bio.serious-security.nl
1 fonts.gstatic.com fonts.googleapis.com
1 fonts.googleapis.com bio.serious-security.nl
1 bio.serioussecurity.nl bio.serious-security.nl
7 4

This site contains no links.

Subject Issuer Validity Valid
bio.serioussecurity.nl
R11		 2024-06-16 -
2024-09-14		 3 months crt.sh
upload.video.google.com
WR2		 2024-07-30 -
2024-10-22		 3 months crt.sh
*.gstatic.com
WR2		 2024-07-30 -
2024-10-22		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://bio.serious-security.nl/chapters
Frame ID: 11B377956FEEF96FE9968B969ADB73B0
Requests: 7 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

BIO

Page URL History Show full URLs

  1. https://bio.serious-security.nl/ HTTP 302
    https://bio.serious-security.nl/chapters Page URL

Page Statistics

7
Requests

100 %
HTTPS

67 %
IPv6

4
Domains

4
Subdomains

3
IPs

2
Countries

396 kB
Transfer

1722 kB
Size

2
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. https://bio.serious-security.nl/ HTTP 302
    https://bio.serious-security.nl/chapters Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

7 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request chapters
bio.serious-security.nl/
Redirect Chain
  • https://bio.serious-security.nl/
  • https://bio.serious-security.nl/chapters
13 KB
4 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://bio.serious-security.nl/chapters
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
83.137.144.37 Eelde, Netherlands, ASN31477 (DUOCAST-AS, NL),
Reverse DNS
hosted-by.initfour.nl
Software
Apache /
Resource Hash
2ddb7e86d2c9f18c00390d12316d56631df00451be422d699efc1ff51d891499
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains
X-Frame-Options DENY

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Cache-Control
no-cache, private
Connection
Keep-Alive
Content-Encoding
gzip
Content-Length
2558
Content-Type
text/html; charset=UTF-8
Date
Sun, 18 Aug 2024 08:39:54 GMT
Keep-Alive
timeout=5, max=99
Server
Apache
Strict-Transport-Security
max-age=63072000; includeSubDomains
Vary
Accept-Encoding
X-Frame-Options
DENY

Redirect headers

Cache-Control
no-cache, private
Connection
Keep-Alive
Content-Length
404
Content-Type
text/html; charset=UTF-8
Date
Sun, 18 Aug 2024 08:39:54 GMT
Keep-Alive
timeout=5, max=100
Location
https://bio.serious-security.nl/chapters
Server
Apache
Strict-Transport-Security
max-age=63072000; includeSubDomains
X-Frame-Options
DENY
app.css
bio.serious-security.nl/css/ 		291 KB
41 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://bio.serious-security.nl/css/app.css
Requested by
Host: bio.serious-security.nl
URL: https://bio.serious-security.nl/chapters
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
83.137.144.37 Eelde, Netherlands, ASN31477 (DUOCAST-AS, NL),
Reverse DNS
hosted-by.initfour.nl
Software
Apache /
Resource Hash
792ddc93eac47e2383a644d86361d7c7eacdbc334ee6ecaa6527d3ef8afca9a7
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains
X-Frame-Options DENY

Request headers

Referer
https://bio.serious-security.nl/chapters
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Date
Sun, 18 Aug 2024 08:39:54 GMT
Strict-Transport-Security
max-age=63072000; includeSubDomains
Content-Encoding
gzip
Last-Modified
Thu, 05 Mar 2020 20:22:56 GMT
Server
Apache
ETag
"48b02-5a0214d6b8363-gzip"
X-Frame-Options
DENY
Vary
Accept-Encoding
Content-Type
text/css
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=98
Content-Length
41263
prov_gron_dark.png
bio.serioussecurity.nl/img/ 		10 KB
10 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://bio.serioussecurity.nl/img/prov_gron_dark.png
Requested by
Host: bio.serious-security.nl
URL: https://bio.serious-security.nl/chapters
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
83.137.144.37 Eelde, Netherlands, ASN31477 (DUOCAST-AS, NL),
Reverse DNS
hosted-by.initfour.nl
Software
Apache /
Resource Hash
49a817c3041788f828d1c6b7a67333a48bd26a16538c10d0747af5b5400b5b3a
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains
X-Frame-Options DENY

Request headers

Referer
https://bio.serious-security.nl/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Date
Sun, 18 Aug 2024 08:39:54 GMT
Strict-Transport-Security
max-age=63072000; includeSubDomains
Last-Modified
Thu, 05 Mar 2020 20:22:56 GMT
Server
Apache
ETag
"27a5-5a0214d6bb243"
X-Frame-Options
DENY
Content-Type
image/png
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
10149
app.js
bio.serious-security.nl/js/ 		1 MB
324 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://bio.serious-security.nl/js/app.js
Requested by
Host: bio.serious-security.nl
URL: https://bio.serious-security.nl/chapters
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
83.137.144.37 Eelde, Netherlands, ASN31477 (DUOCAST-AS, NL),
Reverse DNS
hosted-by.initfour.nl
Software
Apache /
Resource Hash
6473ce7508729f08ac60e40a416ef95d1a8fbc97294e6849bf09230c215257b0
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains
X-Frame-Options DENY

Request headers

Referer
https://bio.serious-security.nl/chapters
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Date
Sun, 18 Aug 2024 08:39:54 GMT
Strict-Transport-Security
max-age=63072000; includeSubDomains
Content-Encoding
gzip
Last-Modified
Thu, 05 Mar 2020 20:22:56 GMT
Server
Apache
ETag
"15bb49-5a0214d6bd183-gzip"
X-Frame-Options
DENY
Vary
Accept-Encoding
Content-Type
text/javascript
Transfer-Encoding
chunked
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
css
fonts.googleapis.com/ 		2 KB
962 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://fonts.googleapis.com/css?family=Nunito
Requested by
Host: bio.serious-security.nl
URL: https://bio.serious-security.nl/css/app.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:812::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
ab535a911215b95d5c4be7dc2858f6f2cdbfaa716f0395759092bd4d768485cb
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

Referer
https://bio.serious-security.nl/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
date
Sun, 18 Aug 2024 08:39:54 GMT
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
0
last-modified
Sun, 18 Aug 2024 08:34:39 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Sun, 18 Aug 2024 08:39:54 GMT
XRXI3I6Li01BKofiOc5wtlZ2di8HDLshdTQ3jw.woff2
fonts.gstatic.com/s/nunito/v26/ 		16 KB
16 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://fonts.gstatic.com/s/nunito/v26/XRXI3I6Li01BKofiOc5wtlZ2di8HDLshdTQ3jw.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=Nunito
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:80f::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
923963e0a56b84c4438f2359121e855e147a01a78a2591c471179cfc9bf0e784
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://fonts.googleapis.com/
Origin
https://bio.serious-security.nl
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 13 Aug 2024 13:58:51 GMT
x-content-type-options
nosniff
age
412864
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
16292
x-xss-protection
0
last-modified
Thu, 14 Sep 2023 00:41:55 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Wed, 13 Aug 2025 13:58:51 GMT
favicon.ico
bio.serious-security.nl/ 		0
366 B 		Other
General
Check archive.org
Download Go to
Full URL
https://bio.serious-security.nl/favicon.ico
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
83.137.144.37 Eelde, Netherlands, ASN31477 (DUOCAST-AS, NL),
Reverse DNS
hosted-by.initfour.nl
Software
Apache /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains
X-Frame-Options DENY

Request headers

Referer
https://bio.serious-security.nl/chapters
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Date
Sun, 18 Aug 2024 08:39:55 GMT
Strict-Transport-Security
max-age=63072000; includeSubDomains
Last-Modified
Thu, 05 Mar 2020 20:22:56 GMT
Server
Apache
ETag
"0-5a0214d6b8363"
X-Frame-Options
DENY
Content-Type
image/vnd.microsoft.icon
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=99
Content-Length
0

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.

function| _ function| Popper function| jQuery function| $ function| axios function| setImmediate function| clearImmediate function| Vue

2 Cookies

Domain/Path Name / Value
bio.serious-security.nl/ Name: XSRF-TOKEN
Value: eyJpdiI6IjhJTUNoZ3VGOGRNR05lSXhzRXNjVVE9PSIsInZhbHVlIjoia211c0JyRjZqU0x5ZVpZeTBSQm1LcGViSm1XOFFzUG8xUFwvTzk2ZmpCTEVjdHRibVp2VUVwOWpXXC9qT0pOa0V1IiwibWFjIjoiNzAwODJiNmRjYjI2NWY0ZTU4YzBjMzljM2Q5NmJlNmRiYjdlZTQ4MDAyMGE2Mzc0YmI5MjNmNWU3NTY0YzJjMSJ9
bio.serious-security.nl/ Name: bio_session
Value: eyJpdiI6InEzU2lSUHZpWEh6dDJJeW5Hc25rT3c9PSIsInZhbHVlIjoiOG90dnkxbXpwTmNENGpJakpPWFYwK2lkOGR5Nk9pTFZzMU9DVDQzeHpWQzQwenk1YU1henV2SU9HN0RMYlN5XC8iLCJtYWMiOiJhMjc4N2ZhYjRjYWRhZTQyMjEzNGNiM2Q3ZjgwYTBjZmJkZTg2N2ZkMDc2Mjk2NGE1Y2Y5MzFmZTFmNjIwYmNhIn0%3D

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=63072000; includeSubDomains
X-Frame-Options DENY