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ctextbooks.com Open in urlscan Pro
2606:4700:3037::681f:5192  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://ctextbooks.com/
Effective URL: https://ctextbooks.com/
Submission: On August 25 via api from US
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 3 IPs in 1 countries across 2 domains to perform 14 HTTP transactions. The main IP is 2606:4700:3037::681f:5192, located in United States and belongs to CLOUDFLARENET, US. The main domain is ctextbooks.com.
TLS certificate: Issued by Cloudflare Inc ECC CA-3 on August 18th 2020. Valid for: a year.
This is the only time ctextbooks.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 14 2606:4700:303... 13335 (CLOUDFLAR...)
1 2 104.18.27.20 13335 (CLOUDFLAR...)
14 3
Apex Domain
Subdomains		 Transfer
14 ctextbooks.com
ctextbooks.com
87 KB
2 hcaptcha.com
hcaptcha.com
assets.hcaptcha.com
21 KB
14 2
Domain Requested by
14 ctextbooks.com 1 redirects ctextbooks.com
1 assets.hcaptcha.com ctextbooks.com
1 hcaptcha.com 1 redirects
14 3

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

Domain
openxdk.net
chrome.google.com
www.cloudflare.com
Subject Issuer Validity Valid
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3		 2020-08-18 -
2021-08-18		 a year crt.sh

This page contains 1 frames:

Primary Page: https://ctextbooks.com/
Frame ID: A94F5E457051182687C48608F44F6370
Requests: 15 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page URL History Show full URLs

  1. http://ctextbooks.com/ HTTP 301
    https://ctextbooks.com/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • headers server /^cloudflare$/i

Page Statistics

14
Requests

100 %
HTTPS

50 %
IPv6

2
Domains

3
Subdomains

3
IPs

1
Countries

107 kB
Transfer

257 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. http://ctextbooks.com/ HTTP 301
    https://ctextbooks.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 10
  • https://hcaptcha.com/1/api.js?onload=_cf_chl_hload HTTP 302
  • https://assets.hcaptcha.com/captcha/v1/558182b/hcaptcha.js

14 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
ctextbooks.com/
Redirect Chain
  • http://ctextbooks.com/
  • https://ctextbooks.com/
11 KB
5 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://ctextbooks.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3037::681f:5192 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8c16b85c64ad0ccb38aeef7e000cbd408ffe8b63b1a7d56fa1e13d78c0b2df34
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

:method
GET
:authority
ctextbooks.com
:scheme
https
:path
/
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
sec-fetch-site
none
sec-fetch-mode
navigate
sec-fetch-user
?1
sec-fetch-dest
document
accept-encoding
gzip, deflate, br
accept-language
en-US
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

status
403
date
Tue, 25 Aug 2020 17:40:40 GMT
content-type
text/html; charset=UTF-8
set-cookie
__cfduid=d68ce6f3abd67409d97ed61c72707a72a1598377240; expires=Thu, 24-Sep-20 17:40:40 GMT; path=/; domain=.ctextbooks.com; HttpOnly; SameSite=Lax; Secure
cf-chl-bypass
1
cache-control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
expires
Thu, 01 Jan 1970 00:00:01 GMT
x-frame-options
SAMEORIGIN
cf-request-id
04c84e409b00001f192081e200000001
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
server
cloudflare
cf-ray
5c87197a9c971f19-FRA
content-encoding
br

Redirect headers

Date
Tue, 25 Aug 2020 17:40:40 GMT
Transfer-Encoding
chunked
Connection
keep-alive
Cache-Control
max-age=3600
Expires
Tue, 25 Aug 2020 18:40:40 GMT
Location
https://ctextbooks.com/
cf-request-id
04c84e4067000016eede11e200000001
Vary
Accept-Encoding
Server
cloudflare
CF-RAY
5c87197a3f4816ee-FRA
cf.errors.css
ctextbooks.com/cdn-cgi/styles/ 		27 KB
5 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://ctextbooks.com/cdn-cgi/styles/cf.errors.css
Requested by
Host: ctextbooks.com
URL: https://ctextbooks.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3037::681f:5192 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ff5b724501640c081ba873f3d27b9f547b62ce5a4ef5d594ff630f00ba1eea7e
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://ctextbooks.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 25 Aug 2020 17:40:40 GMT
content-encoding
gzip
last-modified
Mon, 17 Aug 2020 16:59:38 GMT
server
cloudflare
x-frame-options
SAMEORIGIN
etag
W/"5f3ab77a-6d64"
vary
Accept-Encoding
content-type
text/css
status
200
cache-control
max-age=7200, public
cf-ray
5c87197acd0e1f19-FRA
cf-request-id
04c84e40bb00001f1920821200000001
expires
Tue, 25 Aug 2020 19:40:40 GMT
zepto.min.js
ctextbooks.com/cdn-cgi/scripts/ 		24 KB
9 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://ctextbooks.com/cdn-cgi/scripts/zepto.min.js
Requested by
Host: ctextbooks.com
URL: https://ctextbooks.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3037::681f:5192 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
cdb3d0c8bdaa4ff0e4808dd9f53c33f0898fd934c3df605368b82a92c88ec049
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://ctextbooks.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 25 Aug 2020 17:40:40 GMT
content-encoding
gzip
vary
Accept-Encoding
last-modified
Mon, 17 Aug 2020 16:59:38 GMT
server
cloudflare
etag
W/"5f3ab77a-618f"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
x-frame-options
SAMEORIGIN
content-type
application/javascript
status
200
cache-control
max-age=172800, public
cf-ray
5c87197acd111f19-FRA
cf-request-id
04c84e40bc00001f1920822200000001
expires
Thu, 27 Aug 2020 17:40:40 GMT
cf.common.js
ctextbooks.com/cdn-cgi/scripts/ 		4 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://ctextbooks.com/cdn-cgi/scripts/cf.common.js
Requested by
Host: ctextbooks.com
URL: https://ctextbooks.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3037::681f:5192 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
393c14162b5472e48358ba027ef7fc321d7761e6f4a86ea909b58ad9839177c4
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://ctextbooks.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 25 Aug 2020 17:40:40 GMT
content-encoding
gzip
vary
Accept-Encoding
last-modified
Mon, 17 Aug 2020 16:59:38 GMT
server
cloudflare
etag
W/"5f3ab77a-1138"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
x-frame-options
SAMEORIGIN
content-type
application/javascript
status
200
cache-control
max-age=172800, public
cf-ray
5c87197acd161f19-FRA
cf-request-id
04c84e40bc00001f1920823200000001
expires
Thu, 27 Aug 2020 17:40:40 GMT
transparent.gif
ctextbooks.com/cdn-cgi/images/trace/captcha/nojs/h/ 		42 B
148 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://ctextbooks.com/cdn-cgi/images/trace/captcha/nojs/h/transparent.gif?ray=5c87197a9c971f19
Requested by
Host: ctextbooks.com
URL: https://ctextbooks.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3037::681f:5192 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://ctextbooks.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 25 Aug 2020 17:40:40 GMT
last-modified
Mon, 17 Aug 2020 16:59:38 GMT
server
cloudflare
x-frame-options
SAMEORIGIN
etag
"5f3ab77a-2a"
vary
Accept-Encoding
content-type
image/gif
status
200
cache-control
max-age=7200, public
accept-ranges
bytes
cf-ray
5c87197aed6a1f19-FRA
content-length
42
cf-request-id
04c84e40d400001f1920824200000001
expires
Tue, 25 Aug 2020 19:40:40 GMT
browser-bar.png
ctextbooks.com/cdn-cgi/images/ 		715 B
814 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://ctextbooks.com/cdn-cgi/images/browser-bar.png?1376755637
Requested by
Host: ctextbooks.com
URL: https://ctextbooks.com/cdn-cgi/styles/cf.errors.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3037::681f:5192 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8c873472f4925d5d47521db4d52532d2983e9cb1bde8b43143a6cc6db56c35db
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://ctextbooks.com/cdn-cgi/styles/cf.errors.css
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 25 Aug 2020 17:40:40 GMT
last-modified
Mon, 17 Aug 2020 16:59:38 GMT
server
cloudflare
x-frame-options
SAMEORIGIN
etag
"5f3ab77a-2cb"
vary
Accept-Encoding
content-type
image/png
status
200
cache-control
max-age=7200, public
accept-ranges
bytes
cf-ray
5c87197aed6c1f19-FRA
content-length
715
cf-request-id
04c84e40d400001f1920825200000001
expires
Tue, 25 Aug 2020 19:40:40 GMT
cf-no-screenshot-warn.png
ctextbooks.com/cdn-cgi/images/ 		3 KB
3 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://ctextbooks.com/cdn-cgi/images/cf-no-screenshot-warn.png
Requested by
Host: ctextbooks.com
URL: https://ctextbooks.com/cdn-cgi/styles/cf.errors.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3037::681f:5192 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
d4eb829b9da3417d1cde6b2f3cbf24cd125fb6805adc22b37191e7a1bf0a543b
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://ctextbooks.com/cdn-cgi/styles/cf.errors.css
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 25 Aug 2020 17:40:40 GMT
last-modified
Mon, 17 Aug 2020 16:59:38 GMT
server
cloudflare
x-frame-options
SAMEORIGIN
etag
"5f3ab77a-a20"
vary
Accept-Encoding
content-type
image/png
status
200
cache-control
max-age=7200, public
accept-ranges
bytes
cf-ray
5c87197aed6e1f19-FRA
content-length
2592
cf-request-id
04c84e40d400001f1920826200000001
expires
Tue, 25 Aug 2020 19:40:40 GMT
opensans-300.woff
ctextbooks.com/cdn-cgi/styles/fonts/ 		15 KB
14 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://ctextbooks.com/cdn-cgi/styles/fonts/opensans-300.woff
Requested by
Host: ctextbooks.com
URL: https://ctextbooks.com/cdn-cgi/styles/cf.errors.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3037::681f:5192 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Origin
https://ctextbooks.com
Referer
https://ctextbooks.com/cdn-cgi/styles/cf.errors.css
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 25 Aug 2020 17:40:40 GMT
content-encoding
gzip
last-modified
Mon, 17 Aug 2020 16:59:38 GMT
server
cloudflare
x-frame-options
SAMEORIGIN
etag
W/"5f3ab77a-3dfc"
vary
Accept-Encoding
content-type
application/font-woff
status
200
cache-control
max-age=7200, public
cf-ray
5c87197aed6f1f19-FRA
cf-request-id
04c84e40d400001f1920827200000001
expires
Tue, 25 Aug 2020 19:40:40 GMT
opensans-400.woff
ctextbooks.com/cdn-cgi/styles/fonts/ 		16 KB
14 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://ctextbooks.com/cdn-cgi/styles/fonts/opensans-400.woff
Requested by
Host: ctextbooks.com
URL: https://ctextbooks.com/cdn-cgi/styles/cf.errors.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3037::681f:5192 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Origin
https://ctextbooks.com
Referer
https://ctextbooks.com/cdn-cgi/styles/cf.errors.css
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 25 Aug 2020 17:40:40 GMT
content-encoding
gzip
last-modified
Mon, 17 Aug 2020 16:59:38 GMT
server
cloudflare
x-frame-options
SAMEORIGIN
etag
W/"5f3ab77a-3e40"
vary
Accept-Encoding
content-type
application/font-woff
status
200
cache-control
max-age=7200, public
cf-ray
5c87197afd711f19-FRA
cf-request-id
04c84e40d600001f1920828200000001
expires
Tue, 25 Aug 2020 19:40:40 GMT
opensans-600.woff
ctextbooks.com/cdn-cgi/styles/fonts/ 		16 KB
15 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://ctextbooks.com/cdn-cgi/styles/fonts/opensans-600.woff
Requested by
Host: ctextbooks.com
URL: https://ctextbooks.com/cdn-cgi/styles/cf.errors.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3037::681f:5192 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Origin
https://ctextbooks.com
Referer
https://ctextbooks.com/cdn-cgi/styles/cf.errors.css
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 25 Aug 2020 17:40:40 GMT
content-encoding
gzip
last-modified
Mon, 17 Aug 2020 16:59:38 GMT
server
cloudflare
x-frame-options
SAMEORIGIN
etag
W/"5f3ab77a-3eb8"
vary
Accept-Encoding
content-type
application/font-woff
status
200
cache-control
max-age=7200, public
cf-ray
5c87197afd741f19-FRA
cf-request-id
04c84e40d600001f1920829200000001
expires
Tue, 25 Aug 2020 19:40:40 GMT
v1
ctextbooks.com/cdn-cgi/challenge-platform/orchestrate/captcha/ 		28 KB
10 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://ctextbooks.com/cdn-cgi/challenge-platform/orchestrate/captcha/v1
Requested by
Host: ctextbooks.com
URL: https://ctextbooks.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3037::681f:5192 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
694ae98e77837b0edb52ed178bc7fe2cff14da61bdb6871602db832b3974a874

Request headers

Referer
https://ctextbooks.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 25 Aug 2020 17:40:40 GMT
content-encoding
br
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
text/javascript
status
200
cf-ray
5c87197b3e321f19-FRA
cf-request-id
04c84e410300001f192082b200000001
hcaptcha.js
assets.hcaptcha.com/captcha/v1/558182b/
Redirect Chain
  • https://hcaptcha.com/1/api.js?onload=_cf_chl_hload
  • https://assets.hcaptcha.com/captcha/v1/558182b/hcaptcha.js
62 KB
21 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://assets.hcaptcha.com/captcha/v1/558182b/hcaptcha.js
Requested by
Host: ctextbooks.com
URL: https://ctextbooks.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
104.18.27.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
d23b3fb70919ee3c7f42c2a161dea8d1978c9cee5d398034b3ff8293826792bb
Security Headers
Name Value
Strict-Transport-Security max-age=2592000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://ctextbooks.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 25 Aug 2020 17:40:41 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
72912
cf-polished
origSize=63599
status
200
strict-transport-security
max-age=2592000; includeSubDomains; preload
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
x-amz-request-id
2ED4079BE3F5BF0F
x-amz-id-2
RdvgPEEPFpCQxaS+q/CLhsYn8ZNZtBvAAiFwH0tu8XIu2dmC3Gy0lEYc1nuH/LWJ9bP40FvjqVA=
last-modified
Mon, 10 Aug 2020 20:32:01 GMT
server
cloudflare
etag
W/"273f6ffcafc06e0f0ae6241755176c31"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
application/javascript
cache-control
max-age=1209600
cf-request-id
04c84e41a50000049b4ca1c200000001
cf-ray
5c87197c3b55049b-CDG
cf-bgj
minify

Redirect headers

date
Tue, 25 Aug 2020 17:40:40 GMT
x-content-type-options
nosniff
server
cloudflare
status
302
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
location
https://assets.hcaptcha.com/captcha/v1/558182b/hcaptcha.js
cache-control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
strict-transport-security
max-age=2592000; includeSubDomains; preload
cf-ray
5c87197c0ac1049b-CDG
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
cf-request-id
04c84e41810000049b4ca1b200000001
expires
Thu, 01 Jan 1970 00:00:01 GMT
1b2c8a431035f19
ctextbooks.com/cdn-cgi/challenge-platform/generate/ov1/0.6867613783477031:1598375338:fd2d42517cf49948bd76be0fa457879271514a20cbd730eb37bb131b9aad2c2c/5c87197a9c971f19/ 		43 KB
6 KB 		XHR
General
Check archive.org
Download Go to
Full URL
https://ctextbooks.com/cdn-cgi/challenge-platform/generate/ov1/0.6867613783477031:1598375338:fd2d42517cf49948bd76be0fa457879271514a20cbd730eb37bb131b9aad2c2c/5c87197a9c971f19/1b2c8a431035f19
Requested by
Host: ctextbooks.com
URL: https://ctextbooks.com/cdn-cgi/challenge-platform/orchestrate/captcha/v1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3037::681f:5192 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f26ae78f5e7b3b94270613e5a08c1412d31c567c3a5e8a2f0253eb5d43402241

Request headers

Referer
https://ctextbooks.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
CF-Challenge
1b2c8a431035f19
Content-type
application/x-www-form-urlencoded

Response headers

date
Tue, 25 Aug 2020 17:40:41 GMT
content-encoding
br
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
text/plain;charset=UTF-8
status
200
cf-ray
5c87197bcfd21f19-FRA
cf-request-id
04c84e416100001f192082f200000001
truncated
/ 		306 B
0 		Image
General
Check archive.org
Download Go to Show image
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
95d7a812e889fd5bb4ac152ac61b3946697beca8122206efd079ec7cf35e010b

Request headers

Referer
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Content-Type
image/png
1b2c8a431035f19
ctextbooks.com/cdn-cgi/challenge-platform/generate/ov1/0.6867613783477031:1598375338:fd2d42517cf49948bd76be0fa457879271514a20cbd730eb37bb131b9aad2c2c/5c87197a9c971f19/ 		6 KB
2 KB 		XHR
General
Check archive.org
Download Go to
Full URL
https://ctextbooks.com/cdn-cgi/challenge-platform/generate/ov1/0.6867613783477031:1598375338:fd2d42517cf49948bd76be0fa457879271514a20cbd730eb37bb131b9aad2c2c/5c87197a9c971f19/1b2c8a431035f19
Requested by
Host: ctextbooks.com
URL: https://ctextbooks.com/cdn-cgi/challenge-platform/orchestrate/captcha/v1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3037::681f:5192 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
5ecd2a5eb305c76a7a6b33ca19a06b655645a414da90889f8eeaf60f9296e195

Request headers

Referer
https://ctextbooks.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
CF-Challenge
1b2c8a431035f19
Content-type
application/x-www-form-urlencoded

Response headers

date
Tue, 25 Aug 2020 17:40:41 GMT
content-encoding
br
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
text/plain;charset=UTF-8
status
200
cf-ray
5c87197d4bca1f19-FRA
cf-request-id
04c84e424800001f1920840200000001

Verdicts & Comments Add Verdict or Comment

22 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| trustedTypes function| Zepto function| $ function| Polyglot object| polyglot object| _cf_chl_opt function| _cf_chl_enter function| a function| b object| _cf_translation function| _cf_chl_hload function| SHA256 boolean| _cf_chl_done_ran function| _cf_chl_done function| sendRequest object| _cf_chl_ctx function| _ number| mAXzq object| hcaptcha object| grecaptcha boolean| _cf_chl_hloaded object| button

2 Cookies

Domain/Path Name / Value
ctextbooks.com/ Name: cf_chl_prog
Value: a8
.ctextbooks.com/ Name: __cfduid
Value: d68ce6f3abd67409d97ed61c72707a72a1598377240

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
X-Frame-Options SAMEORIGIN