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chemistryworkbook.com Open in urlscan Pro
91.189.82.161  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://chemistryworkbook.com/rd/su206706nKENl2620174CFEi3191Xmt2490qypU2332
Effective URL: http://chemistryworkbook.com/unsb/su206706nKENl2620174CFEi3191Xmt2490qypU2332
Submission: On December 10 via api from BE — Scanned from US
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 5 IPs in 2 countries across 5 domains to perform 8 HTTP transactions. The main IP is 91.189.82.161, located in Russian Federation and belongs to ESERVER eServer s.r.o., SK. The main domain is chemistryworkbook.com.
This is the only time chemistryworkbook.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 4 91.189.82.161 42244 (ESERVER e...)
2 2606:4700::68... 13335 (CLOUDFLAR...)
1 2607:f8b0:400... 15169 (GOOGLE)
1 2606:4700::68... 13335 (CLOUDFLAR...)
1 1 2606:4700:20:... 13335 (CLOUDFLAR...)
1 2a04:4e42:600... 54113 (FASTLY)
8 5
4    91.189.82.161 (Russian Federation)

ASN42244 (ESERVER eServer s.r.o., SK)
PTR: space1.unassigned.ru.eserver.net
chemistryworkbook.com
2    2606:4700::6812:bcf (United States)

ASN13335 (CLOUDFLARENET, US)
maxcdn.bootstrapcdn.com
1    2607:f8b0:4006:80b::200a (United States)

ASN15169 (GOOGLE, US)
ajax.googleapis.com
1    2606:4700::6811:190e (United States)

ASN13335 (CLOUDFLARENET, US)
cdnjs.cloudflare.com
1    2606:4700:20::ac43:4aa3 (United States)

ASN13335 (CLOUDFLARENET, US)
picsum.photos
1    2a04:4e42:600::347 (United States)

ASN54113 (FASTLY, US)
fastly.picsum.photos
Apex Domain
Subdomains		 Transfer
4 chemistryworkbook.com
chemistryworkbook.com
2 KB
2 picsum.photos
picsum.photos — Cisco Umbrella Rank: 65382
fastly.picsum.photos — Cisco Umbrella Rank: 89019
347 KB
2 bootstrapcdn.com
maxcdn.bootstrapcdn.com — Cisco Umbrella Rank: 1255
41 KB
1 cloudflare.com
cdnjs.cloudflare.com — Cisco Umbrella Rank: 225
7 KB
1 googleapis.com
ajax.googleapis.com — Cisco Umbrella Rank: 415
31 KB
8 5
Domain Requested by
4 chemistryworkbook.com 1 redirects chemistryworkbook.com
2 maxcdn.bootstrapcdn.com chemistryworkbook.com
1 fastly.picsum.photos chemistryworkbook.com
1 picsum.photos 1 redirects
1 cdnjs.cloudflare.com chemistryworkbook.com
1 ajax.googleapis.com chemistryworkbook.com
8 6

This site contains no links.

Subject Issuer Validity Valid
bootstrapcdn.com
WE1		 2024-11-18 -
2025-02-16		 3 months crt.sh
upload.video.google.com
WR2		 2024-11-04 -
2025-01-27		 3 months crt.sh
cdnjs.cloudflare.com
WE1		 2024-11-26 -
2025-02-24		 3 months crt.sh

This page contains 1 frames:

Primary Page: http://chemistryworkbook.com/unsb/su206706nKENl2620174CFEi3191Xmt2490qypU2332
Frame ID: 9EBEFA2B2FB6695F6A0323FA69A213FD
Requests: 8 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page URL History Show full URLs

  1. http://chemistryworkbook.com/rd/su206706nKENl2620174CFEi3191Xmt2490qypU2332 HTTP 307
    https://chemistryworkbook.com/rd/su206706nKENl2620174CFEi3191Xmt2490qypU2332 HTTP 307
    http://chemistryworkbook.com/rd/su206706nKENl2620174CFEi3191Xmt2490qypU2332 Page URL
  2. http://chemistryworkbook.com/track/su206706nKENl2620174CFEi3191Xmt2490qypU2332 HTTP 302
    http://chemistryworkbook.com/unsb/su206706nKENl2620174CFEi3191Xmt2490qypU2332 Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]*?bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.css
  • bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js
Overall confidence: 100%
Detected patterns
  • <script [^>]*src="[^"]*/popper\.js/([0-9.]+)
  • /popper\.js/([0-9.]+)
Overall confidence: 100%
Detected patterns
  • /([\d.]+)/jquery(?:\.min)?\.js
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

8
Requests

50 %
HTTPS

83 %
IPv6

5
Domains

6
Subdomains

5
IPs

2
Countries

427 kB
Transfer

671 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://chemistryworkbook.com/rd/su206706nKENl2620174CFEi3191Xmt2490qypU2332 HTTP 307
    https://chemistryworkbook.com/rd/su206706nKENl2620174CFEi3191Xmt2490qypU2332 HTTP 307
    http://chemistryworkbook.com/rd/su206706nKENl2620174CFEi3191Xmt2490qypU2332 Page URL
  2. http://chemistryworkbook.com/track/su206706nKENl2620174CFEi3191Xmt2490qypU2332 HTTP 302
    http://chemistryworkbook.com/unsb/su206706nKENl2620174CFEi3191Xmt2490qypU2332 Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 0
  • http://chemistryworkbook.com/rd/su206706nKENl2620174CFEi3191Xmt2490qypU2332 HTTP 307
  • https://chemistryworkbook.com/rd/su206706nKENl2620174CFEi3191Xmt2490qypU2332 HTTP 307
  • http://chemistryworkbook.com/rd/su206706nKENl2620174CFEi3191Xmt2490qypU2332
Request Chain 5
  • https://picsum.photos/2000 HTTP 302
  • https://fastly.picsum.photos/id/51/2000/2000.jpg?hmac=we6Ta7KduAmcHfAKK5h87M1hTtgeLaKk7sGhpMe9KB8

8 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
su206706nKENl2620174CFEi3191Xmt2490qypU2332
chemistryworkbook.com/rd/
Redirect Chain
  • http://chemistryworkbook.com/rd/su206706nKENl2620174CFEi3191Xmt2490qypU2332
  • https://chemistryworkbook.com/rd/su206706nKENl2620174CFEi3191Xmt2490qypU2332
  • http://chemistryworkbook.com/rd/su206706nKENl2620174CFEi3191Xmt2490qypU2332
243 B
360 B 		Document
General
Check archive.org
Download Go to
Full URL
http://chemistryworkbook.com/rd/su206706nKENl2620174CFEi3191Xmt2490qypU2332
Protocol
HTTP/1.1
Server
91.189.82.161 , Russian Federation, ASN42244 (ESERVER eServer s.r.o., SK),
Reverse DNS
space1.unassigned.ru.eserver.net
Software
/
Resource Hash

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Response headers

Content-Length
243
Content-Type
text/html; charset=utf-8
Date
Tue, 10 Dec 2024 07:30:53 GMT

Redirect headers

Location
http://chemistryworkbook.com/rd/su206706nKENl2620174CFEi3191Xmt2490qypU2332
Non-Authoritative-Reason
HttpsUpgrades
Primary Request su206706nKENl2620174CFEi3191Xmt2490qypU2332
chemistryworkbook.com/unsb/
Redirect Chain
  • http://chemistryworkbook.com/track/su206706nKENl2620174CFEi3191Xmt2490qypU2332
  • http://chemistryworkbook.com/unsb/su206706nKENl2620174CFEi3191Xmt2490qypU2332
2 KB
2 KB 		Document
General
Check archive.org
Download Go to
Full URL
http://chemistryworkbook.com/unsb/su206706nKENl2620174CFEi3191Xmt2490qypU2332
Requested by
Host: chemistryworkbook.com
URL: http://chemistryworkbook.com/rd/su206706nKENl2620174CFEi3191Xmt2490qypU2332
Protocol
HTTP/1.1
Server
91.189.82.161 , Russian Federation, ASN42244 (ESERVER eServer s.r.o., SK),
Reverse DNS
space1.unassigned.ru.eserver.net
Software
/
Resource Hash
c8dd0d7db9e492630552017e1fb5d77bf45ee987b81d8e019455004519371342

Request headers

Referer
http://chemistryworkbook.com/rd/su206706nKENl2620174CFEi3191Xmt2490qypU2332
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Response headers

Content-Length
1580
Content-Type
text/html; charset=utf-8
Date
Tue, 10 Dec 2024 07:30:54 GMT

Redirect headers

Content-Length
72
Content-Type
text/html; charset=utf-8
Date
Tue, 10 Dec 2024 07:30:54 GMT
Location
/unsb/su206706nKENl2620174CFEi3191Xmt2490qypU2332
bootstrap.min.css
maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/ 		157 KB
25 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css
Requested by
Host: chemistryworkbook.com
URL: http://chemistryworkbook.com/unsb/su206706nKENl2620174CFEi3191Xmt2490qypU2332
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:bcf , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
5b0fbe5b7ad705f6a937c4998ad02f73d8f0d976fe231b74aef0ec996990c93a
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
http://chemistryworkbook.com/

Response headers

cdn-status
200
content-encoding
br
cf-cache-status
HIT
etag
"816af0eddd3b4822c2756227c7e7b7ee"
age
1229420
x-content-type-options
nosniff
alt-svc
h3=":443"; ma=86400
server-timing
cfExtPri
date
Tue, 10 Dec 2024 07:30:54 GMT
last-modified
Mon, 25 Jan 2021 22:04:11 GMT
content-type
text/css; charset=utf-8
vary
Accept-Encoding
cdn-cache
HIT
cdn-cachedat
10/29/2024 05:11:07
cdn-requestpullcode
200
priority
u=0,i=?0
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
public, max-age=31919000
cdn-requestpullsuccess
True
timing-allow-origin
*
cdn-requesttime
0
cdn-uid
b1941f61-b576-4f40-80de-5677acb38f74
cdn-requestid
4c1cb5776f91b535485834a611d022b7
cross-origin-resource-policy
cross-origin
cdn-pullzone
252412
cdn-proxyver
1.05
cf-ray
8efb8843f8337c94-EWR
access-control-allow-origin
*
cdn-edgestorageid
1067
server
cloudflare
cdn-requestcountrycode
US
jquery.min.js
ajax.googleapis.com/ajax/libs/jquery/3.5.1/ 		87 KB
31 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js
Requested by
Host: chemistryworkbook.com
URL: http://chemistryworkbook.com/unsb/su206706nKENl2620174CFEi3191Xmt2490qypU2332
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2607:f8b0:4006:80b::200a , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
f7f6a5894f1d19ddad6fa392b2ece2c5e578cbf7da4ea805b6885eb6985b6e3d
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
http://chemistryworkbook.com/

Response headers

content-encoding
gzip
age
377699
report-to
{"group":"hosted-libraries-pushers","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/hosted-libraries-pushers"}]}
x-content-type-options
nosniff
expires
Fri, 05 Dec 2025 22:35:55 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Thu, 05 Dec 2024 22:35:55 GMT
last-modified
Fri, 08 May 2020 07:05:03 GMT
content-type
text/javascript; charset=UTF-8
vary
Accept-Encoding
cache-control
public, max-age=31536000, stale-while-revalidate=2592000
timing-allow-origin
*
cross-origin-opener-policy
same-origin; report-to="hosted-libraries-pushers"
cross-origin-resource-policy
cross-origin
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/hosted-libraries-pushers
accept-ranges
bytes
access-control-allow-origin
*
content-length
31021
x-xss-protection
0
server
sffe
popper.min.js
cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/ 		21 KB
7 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js
Requested by
Host: chemistryworkbook.com
URL: http://chemistryworkbook.com/unsb/su206706nKENl2620174CFEi3191Xmt2490qypU2332
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6811:190e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
c776195ad46333c6c9a9fe3c74502ffea9a02faf122388ea3567922cc65a3060
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
http://chemistryworkbook.com/

Response headers

cf-cdnjs-via
cfworker/kv
content-encoding
br
cf-cache-status
HIT
etag
"5eb03fa9-5309"
age
946349
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=Y8h6HkLUqjYALgeN2SYwYXi%2BEaW%2BFWfsbphvFMoXsi0tdLkvTxo8Mm9dj7Um6F68v6ukZqoKT563AV%2FteTBFibZjXqOmgzv4qHwW5FySDPdClvWsFRINXXJyb7Kb6RhJuczPgv%2BFHIUHjrAyc7s%2Fg%2FFs"}],"group":"cf-nel","max_age":604800}
x-content-type-options
nosniff
expires
Sun, 30 Nov 2025 07:30:54 GMT
alt-svc
h3=":443"; ma=86400
server-timing
cfExtPri
date
Tue, 10 Dec 2024 07:30:54 GMT
content-type
application/javascript; charset=utf-8
last-modified
Mon, 04 May 2020 16:15:37 GMT
vary
Accept-Encoding
priority
u=1,i=?0
strict-transport-security
max-age=15780000
cache-control
public, max-age=30672000
timing-allow-origin
*
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
cross-origin-resource-policy
cross-origin
cf-ray
8efb8843eeff41f3-EWR
accept-ranges
bytes
access-control-allow-origin
*
content-length
6696
server
cloudflare
bootstrap.min.js
maxcdn.bootstrapcdn.com/bootstrap/4.5.2/js/ 		59 KB
16 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js
Requested by
Host: chemistryworkbook.com
URL: http://chemistryworkbook.com/unsb/su206706nKENl2620174CFEi3191Xmt2490qypU2332
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:bcf , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
79c599dd760cec0c1621a1af49d9a2a49da5d45e1b37d4575bace0a5e0226582
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
http://chemistryworkbook.com/

Response headers

cdn-status
200
content-encoding
br
cf-cache-status
HIT
etag
"02d223393e00c273efdcb1ade8f4f8b1"
age
868454
x-content-type-options
nosniff
alt-svc
h3=":443"; ma=86400
server-timing
cfExtPri
date
Tue, 10 Dec 2024 07:30:54 GMT
last-modified
Mon, 25 Jan 2021 22:04:11 GMT
content-type
application/javascript; charset=utf-8
vary
Accept-Encoding
cdn-cache
HIT
cdn-cachedat
11/20/2024 23:09:49
cdn-requestpullcode
200
priority
u=1,i=?0
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
public, max-age=31919000
cdn-requestpullsuccess
True
timing-allow-origin
*
cdn-requesttime
0
cdn-uid
b1941f61-b576-4f40-80de-5677acb38f74
cdn-requestid
abfc3042f61e0f6fc7cbb18b131e1ea3
cross-origin-resource-policy
cross-origin
cdn-pullzone
252412
cdn-proxyver
1.06
cf-ray
8efb8843f8357c94-EWR
access-control-allow-origin
*
cdn-edgestorageid
1070
server
cloudflare
cdn-requestcountrycode
US
2000.jpg
fastly.picsum.photos/id/51/2000/
Redirect Chain
  • https://picsum.photos/2000
  • https://fastly.picsum.photos/id/51/2000/2000.jpg?hmac=we6Ta7KduAmcHfAKK5h87M1hTtgeLaKk7sGhpMe9KB8
345 KB
346 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://fastly.picsum.photos/id/51/2000/2000.jpg?hmac=we6Ta7KduAmcHfAKK5h87M1hTtgeLaKk7sGhpMe9KB8
Requested by
Host: chemistryworkbook.com
URL: http://chemistryworkbook.com/unsb/su206706nKENl2620174CFEi3191Xmt2490qypU2332
Protocol
H2
Server
2a04:4e42:600::347 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
nginx /
Resource Hash
0792dcdd8d2c56d73b517f08ce81c584bb924d880b0b229b61d4a27440de7df8

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
http://chemistryworkbook.com/

Response headers

age
0
picsum-id
51
x-cache
MISS
date
Tue, 10 Dec 2024 07:30:56 GMT
content-type
image/jpeg
vary
Origin
x-cache-hits
0
content-disposition
inline; filename="51-2000x2000.jpg"
x-served-by
cache-ewr-kewr1740040-EWR
cache-control
public, max-age=2592000, stale-while-revalidate=60, stale-if-error=43200, immutable
timing-allow-origin
*
x-timer
S1733815855.401096,VS0,VE1109
via
1.1 varnish
accept-ranges
bytes
content-length
353643
server
nginx

Redirect headers

strict-transport-security
max-age=15552000
cache-control
private, no-cache, no-store, must-revalidate
location
https://fastly.picsum.photos/id/51/2000/2000.jpg?hmac=we6Ta7KduAmcHfAKK5h87M1hTtgeLaKk7sGhpMe9KB8
cf-cache-status
DYNAMIC
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=sXWxzBq%2Fse1NEZOHsHSyyhvaGzUOpoSc9HKSEev8%2Bv5oBOJ9HUKy3H3aJcOGLo2%2F4%2ByQs%2By9eGElJUUk%2BrI10bKaHTdiX1844i1jILkhcg9i7SKm41Tk6fmpXNUBPdsqCZhYtvgvluGkQT8%3D"}],"group":"cf-nel","max_age":604800}
x-content-type-options
nosniff
cf-ray
8efb88452a9b42d3-EWR
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=21794&min_rtt=21606&rtt_var=3577&sent=13&recv=10&lost=0&retrans=0&sent_bytes=4300&recv_bytes=4380&delivery_rate=594&cwnd=12000&unsent_bytes=0&cid=a629b96f45dd0c7a&ts=392&x=1", cfExtPri, cfHdrFlush;dur=0
content-length
0
date
Tue, 10 Dec 2024 07:30:55 GMT
vary
Origin
server
cloudflare
priority
u=1,i
favicon.ico
chemistryworkbook.com/ 		52 B
182 B 		Other
General
Check archive.org
Download Go to
Full URL
http://chemistryworkbook.com/favicon.ico
Protocol
HTTP/1.1
Server
91.189.82.161 , Russian Federation, ASN42244 (ESERVER eServer s.r.o., SK),
Reverse DNS
space1.unassigned.ru.eserver.net
Software
/
Resource Hash
994e4d9bacbacb4ff7621c7f2b2abf8900994212bb808b08f7b41b1ac29c30e2

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
http://chemistryworkbook.com/unsb/su206706nKENl2620174CFEi3191Xmt2490qypU2332

Response headers

Date
Tue, 10 Dec 2024 07:30:56 GMT
Content-Type
application/json; charset=utf-8
Content-Length
52

Verdicts & Comments Add Verdict or Comment

4 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| jQuery function| Popper object| bootstrap

0 Cookies

1 Console Messages

Source Level URL
Text
network error URL: http://chemistryworkbook.com/favicon.ico
Message:
Failed to load resource: the server responded with a status of 404 (Not Found)