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21lessons.com Open in urlscan Pro
185.199.111.153  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://21lessons.com/
Effective URL: https://21lessons.com/
Submission: On November 05 via api from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 4 IPs in 2 countries across 4 domains to perform 12 HTTP transactions. The main IP is 185.199.111.153, located in United States and belongs to FASTLY, US. The main domain is 21lessons.com.
TLS certificate: Issued by R3 on September 20th 2023. Valid for: 3 months.
This is the only time 21lessons.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 185.199.109.153 54113 (FASTLY)
7 185.199.111.153 54113 (FASTLY)
2 2606:4700::68... 13335 (CLOUDFLAR...)
1 143.204.94.19 16509 (AMAZON-02)
2 2a00:1450:400... 15169 (GOOGLE)
12 4
1    185.199.109.153 (San Francisco, United States)

ASN54113 (FASTLY, US)
PTR: cdn-185-199-109-153.github.com
21lessons.com
7    185.199.111.153 (United States)

ASN54113 (FASTLY, US)
PTR: cdn-185-199-111-153.github.com
21lessons.com
2    2606:4700::6811:180e (United States)

ASN13335 (CLOUDFLARENET, US)
cdnjs.cloudflare.com
1    143.204.94.19 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-143-204-94-19.fra50.r.cloudfront.net
z-na.amazon-adsystem.com
2    2a00:1450:4001:82b::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.gstatic.com
Apex Domain
Subdomains		 Transfer
8 21lessons.com
21lessons.com
189 KB
2 gstatic.com
fonts.gstatic.com
31 KB
2 cloudflare.com
cdnjs.cloudflare.com — Cisco Umbrella Rank: 223
86 KB
1 amazon-adsystem.com
z-na.amazon-adsystem.com — Cisco Umbrella Rank: 9559
8 KB
12 4
Domain Requested by
8 21lessons.com 1 redirects 21lessons.com
2 fonts.gstatic.com 21lessons.com
2 cdnjs.cloudflare.com 21lessons.com
cdnjs.cloudflare.com
1 z-na.amazon-adsystem.com 21lessons.com
12 4
Subject Issuer Validity Valid
21lessons.com
R3		 2023-09-20 -
2023-12-19		 3 months crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3		 2023-07-03 -
2024-07-02		 a year crt.sh
z-na.amazon-adsystem.com
Amazon RSA 2048 M01		 2023-01-18 -
2024-02-17		 a year crt.sh
*.gstatic.com
GTS CA 1C3		 2023-10-16 -
2024-01-08		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://21lessons.com/
Frame ID: B833D4343DB6E257B55D4150F6490354
Requests: 12 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

21 Lessons - What I've Learned from Falling Down the Bitcoin Rabbit Hole - 21Lessons.com

Page URL History Show full URLs

  1. http://21lessons.com/ HTTP 301
    https://21lessons.com/ 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]+)?)?)|)

Page Statistics

12
Requests

100 %
HTTPS

40 %
IPv6

4
Domains

4
Subdomains

4
IPs

2
Countries

313 kB
Transfer

491 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://21lessons.com/ HTTP 301
    https://21lessons.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

12 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
21lessons.com/
Redirect Chain
  • http://21lessons.com/
  • https://21lessons.com/
8 KB
3 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://21lessons.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
185.199.111.153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
cdn-185-199-111-153.github.com
Software
GitHub.com /
Resource Hash
76e93f0c2e0ad58d2b3b46eaea2bd27830a5b4699f25fc0b17c2d32c7241c2e2
Security Headers
Name Value
Strict-Transport-Security max-age=31556952

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.105 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

accept-ranges
bytes
access-control-allow-origin
*
age
0
cache-control
max-age=600
content-encoding
gzip
content-length
2618
content-type
text/html; charset=utf-8
date
Sun, 05 Nov 2023 18:24:25 GMT
etag
W/"64c3d453-2005"
expires
Sun, 05 Nov 2023 18:34:25 GMT
last-modified
Fri, 28 Jul 2023 14:44:35 GMT
server
GitHub.com
strict-transport-security
max-age=31556952
vary
Accept-Encoding
via
1.1 varnish
x-cache
MISS
x-cache-hits
0
x-fastly-request-id
c60477feeb88c86598ad62a088e99488574026f0
x-github-request-id
E58C:12C06:2E65EB0:2F36CDA:6547DDD8
x-proxy-cache
MISS
x-served-by
cache-cph2320029-CPH
x-timer
S1699208665.197337,VS0,VE108

Redirect headers

Accept-Ranges
bytes
Age
0
Connection
keep-alive
Content-Length
162
Content-Type
text/html
Date
Sun, 05 Nov 2023 18:24:24 GMT
Location
https://21lessons.com/
Server
GitHub.com
Vary
Accept-Encoding
Via
1.1 varnish
X-Cache
MISS
X-Cache-Hits
0
X-Fastly-Request-ID
5319f7e06e45f32aaba4f1be1ce6501c354c27fc
X-GitHub-Request-Id
0904:C97B:2B1DABD:2BED99C:6547DDD7
X-Served-By
cache-cph2320057-CPH
X-Timer
S1699208665.886057,VS0,VE112
app.min.css
21lessons.com/assets/css/ 		43 KB
8 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://21lessons.com/assets/css/app.min.css
Requested by
Host: 21lessons.com
URL: https://21lessons.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
185.199.111.153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
cdn-185-199-111-153.github.com
Software
GitHub.com /
Resource Hash
e27f5791eb8cc3d91206e36686698b3cd54d7b055c890f8770005375b0488577
Security Headers
Name Value
Strict-Transport-Security max-age=31556952

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://21lessons.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.105 Safari/537.36

Response headers

x-fastly-request-id
f20a9f560076f287a0f67c177ae3b73dcc958d25
strict-transport-security
max-age=31556952
content-encoding
gzip
via
1.1 varnish
date
Sun, 05 Nov 2023 18:24:25 GMT
age
0
x-cache
MISS
x-cache-hits
0
x-proxy-cache
MISS
content-length
7587
x-served-by
cache-cph2320029-CPH
last-modified
Fri, 28 Jul 2023 14:44:25 GMT
server
GitHub.com
x-github-request-id
3ABA:E7CA:67543C1:6921127:6547DDD5
x-timer
S1699208665.344060,VS0,VE110
etag
W/"64c3d449-ada8"
vary
Accept-Encoding
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=600
accept-ranges
bytes
expires
Sun, 05 Nov 2023 18:34:25 GMT
all.min.css
cdnjs.cloudflare.com/ajax/libs/font-awesome/5.13.0/css/ 		57 KB
11 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.13.0/css/all.min.css
Requested by
Host: 21lessons.com
URL: https://21lessons.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6811:180e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
876d023d9d10c97941b80c3b03e2a5b94631ff7a4af9cee5604a6a2d39718d84
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://21lessons.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.105 Safari/537.36

Response headers

date
Sun, 05 Nov 2023 18:24:25 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15780000
age
4407169
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
10301
last-modified
Mon, 04 May 2020 16:10:08 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03e60-e4d2"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=WOHYArQpjOAOzDL2aNX9wZXojgu4eWNYfumZLeMA06G3lcuCoicVh88cDYoShhOAkCGvO7RiJ70xMyNlFaadSawydND1UbwZzBqQJhp3oQMFIPQ6USVp%2BhQRzLCzO%2F9AJFtA5yrQCcQJNVc7uJOoZEBq"}],"group":"cf-nel","max_age":604800}
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=30672000
accept-ranges
bytes
timing-allow-origin
*
cf-ray
8217222eab95364f-FRA
expires
Fri, 25 Oct 2024 18:24:25 GMT
avatar.jpg
21lessons.com/assets/images/ 		42 KB
42 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://21lessons.com/assets/images/avatar.jpg
Requested by
Host: 21lessons.com
URL: https://21lessons.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
185.199.111.153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
cdn-185-199-111-153.github.com
Software
GitHub.com /
Resource Hash
d386aa765ad87c2b9ad87f6b09f61ba6819cc514d956b8d281816d390ac7e900
Security Headers
Name Value
Strict-Transport-Security max-age=31556952

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://21lessons.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.105 Safari/537.36

Response headers

x-fastly-request-id
0b2017c1d6c51e7588dae20fc00f683a45e7425d
strict-transport-security
max-age=31556952
date
Sun, 05 Nov 2023 18:24:25 GMT
via
1.1 varnish
x-cache-hits
0
age
0
x-cache
MISS
x-proxy-cache
MISS
content-length
43032
x-served-by
cache-cph2320029-CPH
last-modified
Fri, 28 Jul 2023 14:44:25 GMT
server
GitHub.com
x-github-request-id
0904:C97B:2B1DB33:2BEDA1D:6547DDD8
x-timer
S1699208665.344315,VS0,VE105
etag
"64c3d449-a818"
vary
Accept-Encoding
content-type
image/jpeg
access-control-allow-origin
*
cache-control
max-age=600
accept-ranges
bytes
x-origin-cache
HIT
expires
Sun, 05 Nov 2023 18:34:25 GMT
21-lessons-book-ebook-audiobook.webp
21lessons.com/assets/images/ 		84 KB
84 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://21lessons.com/assets/images/21-lessons-book-ebook-audiobook.webp
Requested by
Host: 21lessons.com
URL: https://21lessons.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
185.199.111.153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
cdn-185-199-111-153.github.com
Software
GitHub.com /
Resource Hash
87dab5b4b2618536ee0eb06257c3906d77c9a85ada495bb6d88a8e8dce2586ba
Security Headers
Name Value
Strict-Transport-Security max-age=31556952

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://21lessons.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.105 Safari/537.36

Response headers

x-fastly-request-id
f3feb09fe90c6b32198d3c87c052d71a58052df6
strict-transport-security
max-age=31556952
date
Sun, 05 Nov 2023 18:24:25 GMT
via
1.1 varnish
x-cache-hits
0
age
0
x-cache
MISS
x-proxy-cache
MISS
content-length
86078
x-served-by
cache-cph2320029-CPH
last-modified
Fri, 28 Jul 2023 14:44:25 GMT
server
GitHub.com
x-github-request-id
E4EE:9EFF:2C73B5E:2D441DE:6547DDD7
x-timer
S1699208665.344374,VS0,VE115
etag
"64c3d449-1503e"
vary
Accept-Encoding
content-type
image/webp
access-control-allow-origin
*
cache-control
max-age=600
accept-ranges
bytes
expires
Sun, 05 Nov 2023 18:34:25 GMT
flags.webp
21lessons.com/assets/images/ 		5 KB
5 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://21lessons.com/assets/images/flags.webp
Requested by
Host: 21lessons.com
URL: https://21lessons.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
185.199.111.153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
cdn-185-199-111-153.github.com
Software
GitHub.com /
Resource Hash
ed1ee546f9df6060ecc580c4dc1dccf5933d6a47c5ea5010eff77327e600288a
Security Headers
Name Value
Strict-Transport-Security max-age=31556952

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://21lessons.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.105 Safari/537.36

Response headers

x-fastly-request-id
505bc2bdb8ff7e7a850fd90717747dd98919e841
strict-transport-security
max-age=31556952
date
Sun, 05 Nov 2023 18:24:25 GMT
via
1.1 varnish
x-cache-hits
0
age
0
x-cache
MISS
x-proxy-cache
MISS
content-length
5242
x-served-by
cache-cph2320029-CPH
last-modified
Fri, 28 Jul 2023 14:44:26 GMT
server
GitHub.com
x-github-request-id
41E6:12C06:2E65ED5:2F36D04:6547DDD9
x-timer
S1699208665.345336,VS0,VE102
etag
"64c3d44a-147a"
vary
Accept-Encoding
content-type
image/webp
access-control-allow-origin
*
cache-control
max-age=600
accept-ranges
bytes
x-origin-cache
HIT
expires
Sun, 05 Nov 2023 18:34:25 GMT
rabbit.png
21lessons.com/assets/images/ 		6 KB
6 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://21lessons.com/assets/images/rabbit.png
Requested by
Host: 21lessons.com
URL: https://21lessons.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
185.199.111.153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
cdn-185-199-111-153.github.com
Software
GitHub.com /
Resource Hash
69ab0cab559370983fe90b8e96bb776bba14cd117d68089a84b2f2a96379c8c0
Security Headers
Name Value
Strict-Transport-Security max-age=31556952

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://21lessons.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.105 Safari/537.36

Response headers

x-fastly-request-id
ba4f416d347d397a47a76dbfb2c598e24a9b4429
strict-transport-security
max-age=31556952
date
Sun, 05 Nov 2023 18:24:25 GMT
via
1.1 varnish
x-cache-hits
0
age
0
x-cache
MISS
x-proxy-cache
MISS
content-length
5831
x-served-by
cache-cph2320029-CPH
last-modified
Fri, 28 Jul 2023 14:44:26 GMT
server
GitHub.com
x-github-request-id
0900:6F02:2FA7AA:307876:6547DDD8
x-timer
S1699208665.345452,VS0,VE107
etag
"64c3d44a-16c7"
vary
Accept-Encoding
content-type
image/png
access-control-allow-origin
*
cache-control
max-age=600
accept-ranges
bytes
expires
Sun, 05 Nov 2023 18:34:25 GMT
app.min.js
21lessons.com/assets/js/ 		119 KB
40 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://21lessons.com/assets/js/app.min.js
Requested by
Host: 21lessons.com
URL: https://21lessons.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
185.199.111.153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
cdn-185-199-111-153.github.com
Software
GitHub.com /
Resource Hash
769813e91870ac47dbcc6943c5dd127167cb16aed527908cc1515655c1eef3c8
Security Headers
Name Value
Strict-Transport-Security max-age=31556952

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://21lessons.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.105 Safari/537.36

Response headers

x-fastly-request-id
969bb85a8e15bf631bf6accd7c732d5a453eb305
strict-transport-security
max-age=31556952
content-encoding
gzip
via
1.1 varnish
date
Sun, 05 Nov 2023 18:24:25 GMT
age
0
x-cache
MISS
x-cache-hits
0
x-proxy-cache
MISS
content-length
40735
x-served-by
cache-cph2320029-CPH
last-modified
Fri, 28 Jul 2023 14:44:26 GMT
server
GitHub.com
x-github-request-id
4F02:6F02:2FA7AA:307877:6547DDD8
x-timer
S1699208665.345744,VS0,VE103
etag
W/"64c3d44a-1dc08"
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=600
accept-ranges
bytes
expires
Sun, 05 Nov 2023 18:34:25 GMT
onejs
z-na.amazon-adsystem.com/widgets/ 		22 KB
8 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://z-na.amazon-adsystem.com/widgets/onejs?MarketPlace=US&adInstanceId=24d60e4a-ce4c-42a0-9d88-40f766b2d4f4
Requested by
Host: 21lessons.com
URL: https://21lessons.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
143.204.94.19 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-143-204-94-19.fra50.r.cloudfront.net
Software
Server /
Resource Hash
e87cfaaf62e9d9c982cd0b25a4e0a1a39851d31341a70c5bf1273458e4243515

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://21lessons.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.105 Safari/537.36

Response headers

pragma
Public
date
Sun, 05 Nov 2023 18:24:25 GMT
content-encoding
gzip
via
1.1 58bcd6f2e1bc29fb83f080f1743cfeca.cloudfront.net (CloudFront)
server
Server
x-amz-cf-pop
FRA50-C1
x-cache
Miss from cloudfront
content-type
application/javascript;charset=UTF-8
access-control-allow-origin
*
charset
UTF-8
cache-control
public,max-age=300,s-maxage=300,no-transform
content-length
7371
x-amz-cf-id
0zeeUZncztD7g9GYbP1PxfW5o_w6kXoWH_ksugP-a8QhtSvFg251Ug==
expires
Sun, 05 Nov 2023 18:29:25 GMT
mlTYdpdDwCepOR2s5kS2CwLUuEpTyoUstqEm5AMlJo4.woff2
fonts.gstatic.com/s/lora/v12/ 		15 KB
15 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://fonts.gstatic.com/s/lora/v12/mlTYdpdDwCepOR2s5kS2CwLUuEpTyoUstqEm5AMlJo4.woff2
Requested by
Host: 21lessons.com
URL: https://21lessons.com/assets/css/app.min.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82b::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
5c44be7bf1b0b598851d837b7c40b3f0675fe7ec8db084c11a9789ecab57bd30
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://21lessons.com/
Origin
https://21lessons.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/119.0.6045.105 Safari/537.36

Response headers

date
Mon, 30 Oct 2023 19:58:00 GMT
x-content-type-options
nosniff
age
512785
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
15316
x-xss-protection
0
last-modified
Tue, 07 Nov 2017 15:25:14 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
Tue, 29 Oct 2024 19:58:00 GMT
rAXKWvABQNHjPUk26ixVvvesZW2xOQ-xsNqO47m55DA.woff2
fonts.gstatic.com/s/lora/v12/ 		15 KB
15 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://fonts.gstatic.com/s/lora/v12/rAXKWvABQNHjPUk26ixVvvesZW2xOQ-xsNqO47m55DA.woff2
Requested by
Host: 21lessons.com
URL: https://21lessons.com/assets/css/app.min.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82b::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
3f275b5815ecd7259e3edc7f777fd0f51bd64f644ac361cc0cc74adc7f5807e1
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://21lessons.com/
Origin
https://21lessons.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/119.0.6045.105 Safari/537.36

Response headers

date
Sun, 05 Nov 2023 11:10:01 GMT
x-content-type-options
nosniff
age
26064
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
15292
x-xss-protection
0
last-modified
Tue, 07 Nov 2017 15:24:37 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
Mon, 04 Nov 2024 11:10:01 GMT
fa-brands-400.woff2
cdnjs.cloudflare.com/ajax/libs/font-awesome/5.13.0/webfonts/ 		75 KB
75 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.13.0/webfonts/fa-brands-400.woff2
Requested by
Host: cdnjs.cloudflare.com
URL: https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.13.0/css/all.min.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6811:180e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
d66b4e8556dec780a3be1e72c2bacfac5f379f6977f2886254908e5f87db6bd6
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

Referer
https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.13.0/css/all.min.css
Origin
https://21lessons.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/119.0.6045.105 Safari/537.36

Response headers

date
Sun, 05 Nov 2023 18:24:25 GMT
strict-transport-security
max-age=15780000
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
age
326836
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
76612
last-modified
Mon, 04 May 2020 16:10:08 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03e60-12b44"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=dFaOPjw7fA8r2xrqzQyfo%2F5lnPMPtftYuvopwTYgaXgsKZnv%2B8QuQ1BKQC%2Fr%2B%2B9x4P5JGRH4fLGYPLqZhmlG%2BlF6cdzumZPULJYhlud9auR0YxHYjDNncI6Ks3iyNd8RxX%2BPaqUqQYTo3DGpITfIuEnb"}],"group":"cf-nel","max_age":604800}
content-type
application/octet-stream; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=30672000
accept-ranges
bytes
timing-allow-origin
*
cf-ray
8217222febe09c07-FRA
expires
Fri, 25 Oct 2024 18:24:25 GMT

Verdicts & Comments Add Verdict or Comment

19 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 function| jQuery function| $ function| amazon_assoc_ir_f_call_associates_ads function| amazon_assoc_ir_f_call function| amzn_assoc_ad_spec_type object| amzn_assoc_ad_spec object| amzn_assoc_ad_async_spec object| adUnitDeliveryNetwork object| slotCounter function| cmManager object| amzn_assoc_cm boolean| amzn_assoc_enable_abs object| amzn_assoc_internal_params function| assocUtilsMaker object| amzn_assoc_utils object| amzn_assoc_ad object| blockedMarketPlacesJson object| blockedViewerCountriesJson

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
Strict-Transport-Security max-age=31556952