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2606:50c0:8001::153  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://docs.sel4.systems/
Effective URL: https://docs.sel4.systems/
Submission: On January 31 via manual from GB — Scanned from GB
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 7 IPs in 3 countries across 6 domains to perform 16 HTTP transactions. The main IP is 2606:50c0:8001::153, located in United States and belongs to FASTLY, US. The main domain is docs.sel4.systems.
TLS certificate: Issued by R3 on January 1st 2024. Valid for: 3 months.
This is the only time docs.sel4.systems was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 2606:50c0:800... 54113 (FASTLY)
4 2606:50c0:800... 54113 (FASTLY)
3 2606:4700:e6:... 13335 (CLOUDFLAR...)
1 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
3 40.114.177.156 8075 (MICROSOFT...)
2 2a00:1450:400... 15169 (GOOGLE)
1 2001:4860:480... 15169 (GOOGLE)
16 7
1    2606:50c0:8000::153 (United States)

ASN54113 (FASTLY, US)
docs.sel4.systems
4    2606:50c0:8001::153 (United States)

ASN54113 (FASTLY, US)
docs.sel4.systems
3    2606:4700:e6::ac40:cf26 (United States)

ASN13335 (CLOUDFLARENET, US)
use.fontawesome.com
1    2a00:1450:4001:806::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.googleapis.com
2    2a00:1450:4001:80b::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
3    40.114.177.156 (Amsterdam, Netherlands)

ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US)
duckduckgo.com
2    2a00:1450:4001:813::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google-analytics.com
1    2001:4860:4802:32::36 (United States)

ASN15169 (GOOGLE, US)
region1.google-analytics.com
Apex Domain
Subdomains		 Transfer
5 sel4.systems
docs.sel4.systems
33 KB
3 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 27
region1.google-analytics.com — Cisco Umbrella Rank: 2029
21 KB
3 duckduckgo.com
duckduckgo.com — Cisco Umbrella Rank: 4029
29 KB
3 fontawesome.com
use.fontawesome.com — Cisco Umbrella Rank: 971
101 KB
2 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 37
147 KB
1 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 28
994 B
16 6
Domain Requested by
5 docs.sel4.systems 1 redirects docs.sel4.systems
3 duckduckgo.com docs.sel4.systems
duckduckgo.com
3 use.fontawesome.com docs.sel4.systems
use.fontawesome.com
2 www.google-analytics.com www.googletagmanager.com
www.google-analytics.com
2 www.googletagmanager.com docs.sel4.systems
www.googletagmanager.com
1 region1.google-analytics.com www.googletagmanager.com
1 fonts.googleapis.com docs.sel4.systems
16 7

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

Domain
sel4.systems
sel4.discourse.group
github.com
Subject Issuer Validity Valid
docs.sel4.systems
R3		 2024-01-01 -
2024-03-31		 3 months crt.sh
use.fontawesome.com
Cloudflare Inc ECC CA-3		 2023-10-12 -
2024-10-10		 a year crt.sh
upload.video.google.com
GTS CA 1C3		 2024-01-09 -
2024-04-02		 3 months crt.sh
*.google-analytics.com
GTS CA 1C3		 2024-01-09 -
2024-04-02		 3 months crt.sh
*.duckduckgo.com
DigiCert Global G2 TLS RSA SHA256 2020 CA1		 2023-10-06 -
2024-11-05		 a year crt.sh

This page contains 2 frames:

Primary Page: https://docs.sel4.systems/
Frame ID: 5F8E2D0C89D101363EDFB5A3B87130E8
Requests: 13 HTTP requests in this frame

Frame: https://duckduckgo.com/search.html?site=docs.sel4.systems&prefill=Search%20sel4.systems
Frame ID: 62944866A10337C55AB546FF08439B05
Requests: 3 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

seL4 Docs | seL4 docs

Page URL History Show full URLs

  1. http://docs.sel4.systems/ HTTP 301
    https://docs.sel4.systems/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]*?(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
Overall confidence: 100%
Detected patterns
  • google-analytics\.com/(?:ga|urchin|analytics)\.js
Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com
Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtag/js

Page Statistics

16
Requests

100 %
HTTPS

88 %
IPv6

6
Domains

7
Subdomains

7
IPs

3
Countries

333 kB
Transfer

822 kB
Size

4
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://docs.sel4.systems/ HTTP 301
    https://docs.sel4.systems/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

16 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
docs.sel4.systems/
Redirect Chain
  • http://docs.sel4.systems/
  • https://docs.sel4.systems/
8 KB
3 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://docs.sel4.systems/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:50c0:8001::153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
GitHub.com /
Resource Hash
754928e32c06cfe1dfb7ab4288bf1efc9bc592dd42d3567d2301e5fde7b48f57

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36
accept-language
en-GB,en;q=0.9

Response headers

accept-ranges
bytes
access-control-allow-origin
*
age
0
cache-control
max-age=600
content-encoding
gzip
content-length
2825
content-type
text/html; charset=utf-8
date
Wed, 31 Jan 2024 15:27:43 GMT
etag
W/"65b9bbaa-207b"
expires
Wed, 31 Jan 2024 15:37:43 GMT
last-modified
Wed, 31 Jan 2024 03:16:58 GMT
server
GitHub.com
vary
Accept-Encoding
via
1.1 varnish
x-cache
MISS
x-cache-hits
0
x-fastly-request-id
fee0b9b18eac5e1435760b2718cbde75bf262f7d
x-github-request-id
1840:0E23:70C9B88:72C6C1B:65BA66EF
x-proxy-cache
MISS
x-served-by
cache-man4148-MAN
x-timer
S1706714864.764570,VS0,VE133

Redirect headers

Accept-Ranges
bytes
Age
0
Connection
keep-alive
Content-Length
162
Content-Type
text/html
Date
Wed, 31 Jan 2024 15:27:43 GMT
Location
https://docs.sel4.systems/
Server
GitHub.com
Vary
Accept-Encoding
Via
1.1 varnish
X-Cache
MISS
X-Cache-Hits
0
X-Fastly-Request-ID
bb19577d758cb661aa60846e171ee37b2759ea15
X-GitHub-Request-Id
96A0:0E60:70825A3:727BEA5:65BA66EE
X-Served-By
cache-man4146-MAN
X-Timer
S1706714864.541072,VS0,VE116
style.css
docs.sel4.systems/assets/css/ 		148 KB
23 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://docs.sel4.systems/assets/css/style.css
Requested by
Host: docs.sel4.systems
URL: https://docs.sel4.systems/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:50c0:8001::153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
GitHub.com /
Resource Hash
6cb0359ccebe8270ac89c55afddf962c91fa9742ccfb2ca9dd1c84474066a770

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://docs.sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

x-fastly-request-id
e38058022a90f71332bbb8608f02b5adb4637879
date
Wed, 31 Jan 2024 15:27:44 GMT
content-encoding
gzip
via
1.1 varnish
x-cache-hits
0
age
0
x-cache
MISS
x-proxy-cache
MISS
content-length
23351
x-served-by
cache-man4148-MAN
last-modified
Wed, 31 Jan 2024 03:16:58 GMT
server
GitHub.com
x-github-request-id
9582:34DE13:3EC2D38:3FE4ACD:65BA66EF
x-timer
S1706714864.935741,VS0,VE125
etag
W/"65b9bbaa-24e0f"
vary
Accept-Encoding
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=600
accept-ranges
bytes
x-origin-cache
HIT
expires
Wed, 31 Jan 2024 15:37:43 GMT
all.css
use.fontawesome.com/releases/v5.0.8/css/ 		35 KB
8 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://use.fontawesome.com/releases/v5.0.8/css/all.css
Requested by
Host: docs.sel4.systems
URL: https://docs.sel4.systems/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:e6::ac40:cf26 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
4080b83d8afc4487b8229308be2f196372bd2123613b46388048f14159f07181

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://docs.sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date
Wed, 31 Jan 2024 15:27:44 GMT
content-encoding
br
cf-cache-status
HIT
last-modified
Fri, 22 Sep 2023 01:44:11 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
age
37092
etag
W/"265a36ec650d63e307e611cdf14d9b89"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=6WvFT1ZmlQP1%2FPVPcIj04gVlx9F9adc4ymUwDreMCFCzJosP%2BcQLsJhpJ51s24EJt6HiQRuO88E3HIR2VCcZC%2BEFiTFTTlLG%2BgDKt445dCGu09i8H%2FLT9MmsoPtnHcPvll2sASopEMs99iWhiWMY1PR6"}],"group":"cf-nel","max_age":604800}
content-type
text/css
cache-control
max-age=31556926
cf-ray
84e2fafc2e9d7744-LHR
alt-svc
h3=":443"; ma=86400
css2
fonts.googleapis.com/ 		2 KB
994 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://fonts.googleapis.com/css2?family=Roboto&display=swap
Requested by
Host: docs.sel4.systems
URL: https://docs.sel4.systems/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:806::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
c87b7f745cfb4a994801488584e6e0e78d6c4f0ad567e985a781fc0b86074724
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

accept-language
en-GB,en;q=0.9
Referer
https://docs.sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
date
Wed, 31 Jan 2024 15:27:44 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
Wed, 31 Jan 2024 13:38:32 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
Wed, 31 Jan 2024 15:27:44 GMT
trac.css
docs.sel4.systems/assets/css/highlighting/ 		4 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://docs.sel4.systems/assets/css/highlighting/trac.css
Requested by
Host: docs.sel4.systems
URL: https://docs.sel4.systems/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:50c0:8001::153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
GitHub.com /
Resource Hash
7c3d51b6681df0a0c3f65f6a994c174e51c0b89f3b927029860e07cfd2cd4f68

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://docs.sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

x-fastly-request-id
c658cac90a5574bd6930fe85f8b028d5bc97e247
date
Wed, 31 Jan 2024 15:27:44 GMT
content-encoding
gzip
via
1.1 varnish
x-cache-hits
0
age
0
x-cache
MISS
x-proxy-cache
MISS
content-length
860
x-served-by
cache-man4148-MAN
last-modified
Wed, 31 Jan 2024 03:16:58 GMT
server
GitHub.com
x-github-request-id
D0B4:0E42:871ADDF:89722D5:65BA66EF
x-timer
S1706714864.935724,VS0,VE107
etag
W/"65b9bbaa-1046"
vary
Accept-Encoding
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=600
accept-ranges
bytes
expires
Wed, 31 Jan 2024 15:37:43 GMT
js
www.googletagmanager.com/gtag/ 		190 KB
69 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtag/js?id=UA-117737473-2
Requested by
Host: docs.sel4.systems
URL: https://docs.sel4.systems/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:80b::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
333206df04c521d29dcb71abb6e1440276fc9dce40e9cb8e7776be0bfdafe75d
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://docs.sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date
Wed, 31 Jan 2024 15:27:44 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
69917
x-xss-protection
0
last-modified
Wed, 31 Jan 2024 15:00:00 GMT
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
access-control-allow-headers
Cache-Control
expires
Wed, 31 Jan 2024 15:27:44 GMT
logo-text-white.svg
docs.sel4.systems/assets/ 		18 KB
6 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://docs.sel4.systems/assets/logo-text-white.svg
Requested by
Host: docs.sel4.systems
URL: https://docs.sel4.systems/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:50c0:8001::153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
GitHub.com /
Resource Hash
d6d657ea561f099a934e152e1749b0a1341e0d2890eec040dcd882f23a61adb0

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://docs.sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

x-fastly-request-id
918cd45013b8d193d364d770d69afb44be0f5075
date
Wed, 31 Jan 2024 15:27:44 GMT
content-encoding
gzip
via
1.1 varnish
x-cache-hits
0
age
0
x-cache
MISS
x-proxy-cache
MISS
content-length
5707
x-served-by
cache-man4148-MAN
last-modified
Wed, 31 Jan 2024 03:16:58 GMT
server
GitHub.com
x-github-request-id
D6AC:0E42:871ADDF:89722D6:65BA66EE
x-timer
S1706714864.935715,VS0,VE123
etag
W/"65b9bbaa-4690"
vary
Accept-Encoding
content-type
image/svg+xml
access-control-allow-origin
*
cache-control
max-age=600
accept-ranges
bytes
expires
Wed, 31 Jan 2024 15:37:44 GMT
search.html
duckduckgo.com/ Frame 6294 		48 KB
20 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://duckduckgo.com/search.html?site=docs.sel4.systems&prefill=Search%20sel4.systems
Requested by
Host: docs.sel4.systems
URL: https://docs.sel4.systems/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
40.114.177.156 Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx /
Resource Hash
1ff6abfa30d930b29000f63cf9c2b3403a9af565fabbadf2f81241c12061aa97
Security Headers
Name Value
Content-Security-Policy default-src 'none' ; connect-src https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; manifest-src https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; media-src https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; script-src blob: https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com 'unsafe-inline' 'unsafe-eval' ; font-src data: https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; img-src data: https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; style-src https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com 'unsafe-inline' ; object-src 'none' ; worker-src blob: ; child-src blob: https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; frame-src blob: https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; form-action https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; frame-ancestors * ; base-uri 'self' ; block-all-mixed-content ;
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Xss-Protection 1;mode=block

Request headers

Referer
https://docs.sel4.systems/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36
accept-language
en-GB,en;q=0.9

Response headers

cache-control
max-age=86400
content-encoding
br
content-security-policy
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content-type
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date
Wed, 31 Jan 2024 15:27:44 GMT
etag
W/"64dce3ae-c13a"
expect-ct
max-age=0
expires
Thu, 01 Feb 2024 15:27:44 GMT
last-modified
Wed, 16 Aug 2023 14:56:46 GMT
permissions-policy
interest-cohort=()
referrer-policy
origin
server
nginx
strict-transport-security
max-age=31536000
vary
Accept-Encoding
x-content-type-options
nosniff
x-duckduckgo-locale
en_GB
x-xss-protection
1;mode=block
fa-solid-900.woff2
use.fontawesome.com/releases/v5.0.8/webfonts/ 		39 KB
40 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://use.fontawesome.com/releases/v5.0.8/webfonts/fa-solid-900.woff2
Requested by
Host: use.fontawesome.com
URL: https://use.fontawesome.com/releases/v5.0.8/css/all.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:e6::ac40:cf26 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

Referer
https://use.fontawesome.com/releases/v5.0.8/css/all.css
Origin
https://docs.sel4.systems
accept-language
en-GB,en;q=0.9
User-Agent
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Response headers

date
Wed, 31 Jan 2024 15:27:44 GMT
cf-cache-status
MISS
last-modified
Fri, 22 Sep 2023 01:44:12 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
etag
"0ab54153eeeca0ce03978cc463b257f7"
vary
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report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=65c469J7hOd0JnLPnlMuXZVRdQ8YnMk4A2R79TTjjvzpYQqCsgzXBOwlKgR3v4u1IXRplpYFJgWpn%2FYNYiq44OagqGNjJq80Q3U8dztwJCe52O6QbyUmjDu%2BhzR4T%2FFw7T6gpk4rl%2FpxmVP98fu%2Bpjy4"}],"group":"cf-nel","max_age":604800}
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accept-ranges
bytes
cf-ray
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alt-svc
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content-length
40148
fa-brands-400.woff2
use.fontawesome.com/releases/v5.0.8/webfonts/ 		53 KB
54 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://use.fontawesome.com/releases/v5.0.8/webfonts/fa-brands-400.woff2
Requested by
Host: use.fontawesome.com
URL: https://use.fontawesome.com/releases/v5.0.8/css/all.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:e6::ac40:cf26 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

Referer
https://use.fontawesome.com/releases/v5.0.8/css/all.css
Origin
https://docs.sel4.systems
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date
Wed, 31 Jan 2024 15:27:44 GMT
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
194185
alt-svc
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server
cloudflare
etag
"e8c322de9658cbeb8a774b6624167c2c"
vary
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report-to
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accept-ranges
bytes
cf-ray
84e2fafd4cc0418b-LHR
logo_icon60.v101.png
duckduckgo.com/assets/ Frame 6294 		2 KB
4 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://duckduckgo.com/assets/logo_icon60.v101.png
Requested by
Host: duckduckgo.com
URL: https://duckduckgo.com/search.html?site=docs.sel4.systems&prefill=Search%20sel4.systems
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
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Reverse DNS
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Request headers

accept-language
en-GB,en;q=0.9
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User-Agent
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Response headers

date
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strict-transport-security
max-age=31536000
x-content-type-options
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content-security-policy
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2518
x-xss-protection
1;mode=block
referrer-policy
origin
last-modified
Mon, 08 May 2023 17:25:03 GMT
server
nginx
etag
"6459306f-9d6"
expect-ct
max-age=0
x-frame-options
SAMEORIGIN
content-type
image/png
cache-control
max-age=31536000, public
permissions-policy
interest-cohort=()
accept-ranges
bytes
expires
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search_dropdown_homepage.v102.png
duckduckgo.com/assets/ Frame 6294 		3 KB
5 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://duckduckgo.com/assets/search_dropdown_homepage.v102.png
Requested by
Host: duckduckgo.com
URL: https://duckduckgo.com/search.html?site=docs.sel4.systems&prefill=Search%20sel4.systems
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
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Reverse DNS
Software
nginx /
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X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1;mode=block

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://duckduckgo.com/search.html?site=docs.sel4.systems&prefill=Search%20sel4.systems
User-Agent
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Response headers

date
Wed, 31 Jan 2024 15:27:44 GMT
strict-transport-security
max-age=31536000
x-content-type-options
nosniff
content-security-policy
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content-length
3074
x-xss-protection
1;mode=block
referrer-policy
origin
last-modified
Fri, 26 Mar 2021 01:54:33 GMT
server
nginx
etag
"605d3ed9-c02"
expect-ct
max-age=0
x-frame-options
SAMEORIGIN
content-type
image/png
cache-control
max-age=31536000, public
permissions-policy
interest-cohort=()
accept-ranges
bytes
expires
Thu, 30 Jan 2025 15:27:44 GMT
js
www.googletagmanager.com/gtag/ 		221 KB
79 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtag/js?id=G-PC0EZZ87B8&l=dataLayer&cx=c
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=UA-117737473-2
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:80b::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
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Software
Google Tag Manager /
Resource Hash
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Security Headers
Name Value
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X-Xss-Protection 0

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://docs.sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date
Wed, 31 Jan 2024 15:27:44 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
access-control-allow-headers
Cache-Control
content-length
80441
x-xss-protection
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires
Wed, 31 Jan 2024 15:27:44 GMT
analytics.js
www.google-analytics.com/ 		52 KB
21 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=UA-117737473-2
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:813::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
de36e50194320a7d3ef1ace9bd34a875a8bd458b253c061979dd628e9bf49afd
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://docs.sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
date
Wed, 31 Jan 2024 13:30:44 GMT
last-modified
Tue, 12 Dec 2023 18:09:08 GMT
server
Golfe2
age
7020
vary
Accept-Encoding
content-type
text/javascript
cache-control
public, max-age=7200
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
20994
expires
Wed, 31 Jan 2024 15:30:44 GMT
collect
region1.google-analytics.com/g/ 		0
246 B 		Ping
General
Check archive.org
Download Go to
Full URL
https://region1.google-analytics.com/g/collect?v=2&tid=G-PC0EZZ87B8&gtm=45je41t0v9111698520&_p=1706714864102&gcd=11l1l1l1l1&dma=0&cid=452918614.1706714865&ul=en-us&sr=1600x1200&ir=1&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&pscdl=noapi&_eu=EAAI&_s=1&sid=1706714864&sct=1&seg=0&dl=https%3A%2F%2Fdocs.sel4.systems%2F&dt=seL4%20Docs%20%7C%20seL4%20docs&en=page_view&_fv=1&_nsi=1&_ss=1&tfd=1071
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-PC0EZZ87B8&l=dataLayer&cx=c
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:32::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://docs.sel4.systems/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

pragma
no-cache
date
Wed, 31 Jan 2024 15:27:44 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://docs.sel4.systems
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
collect
www.google-analytics.com/j/ 		1 B
207 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/j/collect?v=1&_v=j101&a=796180498&t=pageview&_s=1&dl=https%3A%2F%2Fdocs.sel4.systems%2F&ul=en-us&de=UTF-8&dt=seL4%20Docs%20%7C%20seL4%20docs&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=YADAAUABAAAAACAAI~&jid=37022755&gjid=1563379936&cid=452918614.1706714865&tid=UA-117737473-2&_gid=851150834.1706714865&_r=1&gtm=457e41t0&gcd=11l1l1l1l1&dma=0&jsscut=1&z=1029380638
Requested by
Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:813::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://docs.sel4.systems/
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
date
Wed, 31 Jan 2024 15:27:44 GMT
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://docs.sel4.systems
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
1
expires
Fri, 01 Jan 1990 00:00:00 GMT

Verdicts & Comments Add Verdict or Comment

10 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| 0 function| gtag object| dataLayer object| google_tag_manager object| google_tag_data string| GoogleAnalyticsObject function| ga object| gaGlobal object| gaplugins object| gaData

4 Cookies

Domain/Path Name / Value
.sel4.systems/ Name: _ga_PC0EZZ87B8
Value: GS1.1.1706714864.1.0.1706714864.0.0.0
.sel4.systems/ Name: _ga
Value: GA1.2.452918614.1706714865
.sel4.systems/ Name: _gid
Value: GA1.2.851150834.1706714865
.sel4.systems/ Name: _gat_gtag_UA_117737473_2
Value: 1

1 Console Messages

Source Level URL
Text
security warning
Message:
Error with Permissions-Policy header: Origin trial controlled feature not enabled: 'interest-cohort'.

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.

docs.sel4.systems
duckduckgo.com
fonts.googleapis.com
region1.google-analytics.com
use.fontawesome.com
www.google-analytics.com
www.googletagmanager.com
2001:4860:4802:32::36
2606:4700:e6::ac40:cf26
2606:50c0:8000::153
2606:50c0:8001::153
2a00:1450:4001:806::200a
2a00:1450:4001:80b::2008
2a00:1450:4001:813::200e
40.114.177.156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