z-lib.is Open in urlscan Pro
2606:4700:20::681a:c4d Public Scan

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URL:
https://z-lib.is/
Submission: On December 24 via manual (December 24th 2023, 10:56:18 pm UTC) from SI — Scanned from IS

Summary HTTP 13 Redirects Behaviour Indicators

Summary

This website contacted 3 IPs in 2 countries across 3 domains to perform 13 HTTP transactions. The main IP is 2606:4700:20::681a:c4d, located in United States and belongs to CLOUDFLARENET, US. The main domain is z-lib.is. The Cisco Umbrella rank of the primary domain is 379965.
TLS certificate: Issued by E1 on October 27th 2023. Valid for: 3 months.

This is the only time z-lib.is was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 12	2606:4700:20:... 2606:4700:20::681a:c4d	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1	2a00:1450:400... 2a00:1450:4001:81c::2008	15169 (GOOGLE) (GOOGLE)
1	2001:4860:480... 2001:4860:4802:34::36	15169 (GOOGLE) (GOOGLE)
13	3

12 2606:4700:20::681a:c4d (United States) 1 redirects

ASN13335 (CLOUDFLARENET, US)

z-lib.is	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:81c::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.googletagmanager.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2001:4860:4802:34::36 (United States)

ASN15169 (GOOGLE, US)

region1.google-analytics.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
12	z-lib.is 1 redirects z-lib.is — Cisco Umbrella Rank: 379965	294 KB
1	google-analytics.com region1.google-analytics.com — Cisco Umbrella Rank: 2189	249 B
1	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 36	88 KB
13	3

	Domain	Requested by
12	z-lib.is	1 redirects z-lib.is
1	region1.google-analytics.com	www.googletagmanager.com
1	www.googletagmanager.com	z-lib.is
13	3

This site contains no links.

Subject Issuer	Validity	Valid
z-lib.is E1	`2023-10-27` - `2024-01-25`	3 months	crt.sh
*.google-analytics.com GTS CA 1C3	`2023-11-20` - `2024-02-12`	3 months	crt.sh

This page contains 2 frames:

Primary Page: https://z-lib.is/
Frame ID: 66071413AE97EFEF823F6CE0623FAC5E
Requests: 11 HTTP requests in this frame

Frame: https://z-lib.is/cdn-cgi/challenge-platform/h/g/scripts/jsd/74bd6362/main.js
Frame ID: DF46E3248ACEE9FBF6531AF56FA2F187
Requests: 2 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Z-Library Project - Electronic library. Download books free

Detected technologies

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

Google Tag Manager (Tag Managers) Expand

Overall confidence: 100%
Detected patterns

googletagmanager\.com/gtag/js

Page Statistics

13
Requests

92 %
HTTPS

100 %
IPv6

3
Domains

3
Subdomains

3
IPs

2
Countries

382 kB
Transfer

1280 kB
Size

5
Cookies

0 Outgoing links

These are links going to different origins than the main page.

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 9

https://z-lib.is/cdn-cgi/challenge-platform/scripts/jsd/main.js HTTP 302
https://z-lib.is/cdn-cgi/challenge-platform/h/g/scripts/jsd/74bd6362/main.js

13 HTTP transactions
0 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H2 200 Primary Request / Show response
z-lib.is/ 49 KB
13 KB 809ms
611ms Document
text/html 2606:4700:20::681a:c4d
CLOUDFLARENET

General

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Show headers Download Go to

Full URL: https://z-lib.is/
Protocol: H2
Security: TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server: 2606:4700:20::681a:c4d , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 6e83cbae4a90a80d5acc06503f52799bbc3907b2ac2b295db35f931853126a1e

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36
accept-language: is-IS,is;q=0.9

Response headers

cache-control: no-cache, private max-age=2592000
cf-cache-status: DYNAMIC
cf-ray: 83ac6fb36a5d5cbb-KEF
content-encoding: br
content-type: text/html; charset=UTF-8
date: Sun, 24 Dec 2023 22:56:13 GMT
expires: Tue, 23 Jan 2024 22:56:13 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=ssGhXUihGAj7nzsQiHIuO82iYpuQ9MH4S%2BpCykqi6NI0fJ%2F0pJ%2FhSNz4vQ3LQqXBzhWLidzNY2q5u0B%2FqV5qA0IB%2BZV2LCzkiUOCgrxd9PfjuyAZao3PxboOGkVMwouRJpSvM6DC"}],"group":"cf-nel","max_age":604800}
server: cloudflare
vary: Accept-Encoding,User-Agent
x-ratelimit-limit: 60
x-ratelimit-remaining: 59

GET
H2 200 js Show response
www.googletagmanager.com/gtag/ 261 KB
88 KB 338ms
124ms Script
application/javascript 2a00:1450:4001:81c::2008
GOOGLE

General

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Show headers Download Go to

Full URL

https://www.googletagmanager.com/gtag/js?id=G-MQL5REGQNN

Requested by

Host: z-lib.is
URL: https://z-lib.is/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:81c::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Tag Manager /

Resource Hash

19f640c4b50895f69a0ec94542aa824e74b02d1652888e27e628ec90d0c50667

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Xss-Protection	0

Request headers

accept-language: is-IS,is;q=0.9
Referer: https://z-lib.is/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36

Response headers

date: Sun, 24 Dec 2023 22:56:14 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: 89781
x-xss-protection: 0
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires: Sun, 24 Dec 2023 22:56:14 GMT

GET
H2 200 global.css
z-lib.is/css/ 297 KB
55 KB 105ms
104ms Stylesheet
text/css 2606:4700:20::681a:c4d
CLOUDFLARENET

General

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Show headers Download Go to

Full URL: https://z-lib.is/css/global.css
Requested by: Host: z-lib.is
URL: https://z-lib.is/
Protocol: H2
Security: TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server: 2606:4700:20::681a:c4d , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 86f6f6f709d46c3f4380397b2797b5831b7002af40a5c423e8dc383f26b74862

Request headers

accept-language: is-IS,is;q=0.9
Referer: https://z-lib.is/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36

Response headers

date: Sun, 24 Dec 2023 22:56:13 GMT
content-encoding: br
cf-cache-status: HIT
cf-bgj: minify
last-modified: Fri, 31 Mar 2023 11:32:13 GMT
server: cloudflare
age: 216425
cf-polished: status=cannot_optimize
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
vary: Accept-Encoding,User-Agent
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=A0Gzn6dUxs8izLIUFfj1WtvT46t06%2F2t3absQayn13axCKe%2BF8RlJ%2BL4seO0IbO48l%2FykI2GIlLpVGUH8HqzRaXD8LpDToDno3q4Kn1urWRxdDeCLbpnXLpUWUxOChXhCSpiGtqN"}],"group":"cf-nel","max_age":604800}
content-type: text/css
cache-control: max-age=604800
cf-ray: 83ac6fb74c135cbb-KEF
expires: Wed, 27 Dec 2023 09:11:10 GMT

GET
H2 200 global.js Show response
z-lib.is/js/ 619 KB
179 KB 111ms
110ms Script
application/javascript 2606:4700:20::681a:c4d
CLOUDFLARENET

General

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Show headers Download Go to

Full URL: https://z-lib.is/js/global.js
Requested by: Host: z-lib.is
URL: https://z-lib.is/
Protocol: H2
Security: TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server: 2606:4700:20::681a:c4d , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 16b2bc92cdee43d4381b2d18db1f42270dafc88c5a25620f1982ee54b0a3efea

Request headers

accept-language: is-IS,is;q=0.9
Referer: https://z-lib.is/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36

Response headers

date: Sun, 24 Dec 2023 22:56:13 GMT
content-encoding: br
cf-cache-status: HIT
cf-bgj: minify
last-modified: Wed, 12 Apr 2023 08:54:48 GMT
server: cloudflare
age: 289362
cf-polished: origSize=633616
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
vary: Accept-Encoding,User-Agent
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=6t1X4%2BLIMdG6%2BNTTHNnyip8lB%2FplXTYxo0uZU76AqBejf8YWN%2BZ5bF5Z0GWo7JjsY9rG80ivEY8xFAsE4spy3AQ7I3X52Voyt7h2wwKg2bxHg0HX9m1W4Aq%2Bhfa4ny%2FVqd8ZULGU"}],"group":"cf-nel","max_age":604800}
content-type: application/javascript
cache-control: max-age=604800
cf-ray: 83ac6fb74c145cbb-KEF
expires: Fri, 22 Dec 2023 09:59:12 GMT

GET
H2 200 icon-magnifier.svg
z-lib.is/img/ 742 B
705 B 102ms
101ms Image
image/svg+xml 2606:4700:20::681a:c4d
CLOUDFLARENET

General

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Show headers Download Go to Show image

Full URL: https://z-lib.is/img/icon-magnifier.svg
Requested by: Host: z-lib.is
URL: https://z-lib.is/
Protocol: H2
Security: TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server: 2606:4700:20::681a:c4d , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: ed5958f4fc039e1191e61c998ee11d64e1f6a5cb6c00d2a9bcec106794a3b81e

Request headers

accept-language: is-IS,is;q=0.9
Referer: https://z-lib.is/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36

Response headers

date: Sun, 24 Dec 2023 22:56:13 GMT
content-encoding: br
cf-cache-status: HIT
last-modified: Sun, 13 Nov 2022 23:32:44 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
age: 119044
vary: Accept-Encoding,User-Agent
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=jEe%2FFsva9hLxD1FjRAUcjdZ%2BABgtDEW4Zsb%2BZZruckEc9MSybGoaVymy29FQbqdnv0MZEQpRveRE0RHJ%2FBw3vhujPz%2Fn8PFUfoe07GlAnbS9pDB0mri56jl7LNQAO7QQjZ%2FeAPpc"}],"group":"cf-nel","max_age":604800}
content-type: image/svg+xml
cache-control: max-age=604800
cf-ray: 83ac6fb74c155cbb-KEF
expires: Tue, 26 Dec 2023 13:41:08 GMT

GET
H2 200 icon-main-menu.svg
z-lib.is/img/ 272 B
484 B 100ms
100ms Image
image/svg+xml 2606:4700:20::681a:c4d
CLOUDFLARENET

General

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Show headers Download Go to Show image

Full URL: https://z-lib.is/img/icon-main-menu.svg
Requested by: Host: z-lib.is
URL: https://z-lib.is/
Protocol: H2
Security: TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server: 2606:4700:20::681a:c4d , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 4558bb057137d4f239f87684bc791ee98b39da5382f48c610a27c0da1c7f5684

Request headers

accept-language: is-IS,is;q=0.9
Referer: https://z-lib.is/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36

Response headers

date: Sun, 24 Dec 2023 22:56:13 GMT
content-encoding: br
cf-cache-status: HIT
last-modified: Sun, 13 Nov 2022 23:33:02 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
age: 216425
vary: Accept-Encoding,User-Agent
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=8Ngm1jyUVwKN0Q3qdmpOk%2F8bn69QWwhluRDJr8FsKPtYxv6o8WH%2Bs%2FS%2FUsAUu6960INAoYGXH2SdH2O14AlxizhRdugElg1wx2Ckb%2FdMT0wIUm5et%2FAfpzIm9exEvYpx%2BXf%2BPZZX"}],"group":"cf-nel","max_age":604800}
content-type: image/svg+xml
cache-control: max-age=604800
cf-ray: 83ac6fb74c175cbb-KEF
expires: Tue, 26 Dec 2023 09:34:09 GMT

GET
H2 200 logo.png
z-lib.is/img/ 8 KB
8 KB 185ms
185ms Image
image/webp 2606:4700:20::681a:c4d
CLOUDFLARENET

General

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Show headers Download Go to Show image

Full URL: https://z-lib.is/img/logo.png
Requested by: Host: z-lib.is
URL: https://z-lib.is/
Protocol: H2
Security: TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server: 2606:4700:20::681a:c4d , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: fc7b9886bbbe70975d9d443a02da6efd8cc268e87276df8cbdc0708c0120b60b

Request headers

accept-language: is-IS,is;q=0.9
Referer: https://z-lib.is/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36

Response headers

date: Sun, 24 Dec 2023 22:56:14 GMT
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age: 119045
cf-polished: origFmt=png, origSize=15342
content-disposition: inline; filename="logo.webp"
content-length: 8206
cf-bgj: imgq:85,h2pri
last-modified: Sun, 13 Nov 2022 22:20:04 GMT
server: cloudflare
vary: Accept
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=Xlb%2BHDFcul5J4wTzdU5gHONLVxp9tS3fTwbWK%2FQqsECLOgRBRsfEbLTQCDOjVxnHBDKsLVboVY5OYzGB6JLy6ObhUc15MTc7QbZp%2FJNZb9O0jTPGdPXKPTZUsNhWhXKiO2y4%2Bj%2FD"}],"group":"cf-nel","max_age":604800}
content-type: image/webp
cache-control: max-age=604800
accept-ranges: bytes
cf-ray: 83ac6fb7ec555cbb-KEF
expires: Thu, 28 Dec 2023 19:35:34 GMT

GET
H2 200 email-decode.min.js Show response
z-lib.is/cdn-cgi/scripts/5c5dd728/cloudflare-static/ 1 KB
1 KB 98ms
97ms Script
application/javascript 2606:4700:20::681a:c4d
CLOUDFLARENET

General

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Show headers Download Go to

Full URL

https://z-lib.is/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js

Requested by

Host: z-lib.is
URL: https://z-lib.is/

Protocol

Security

TLS 1.2, ECDHE_ECDSA, AES_128_GCM

Server

2606:4700:20::681a:c4d , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

2595496fe48df6fcf9b1bc57c29a744c121eb4dd11566466bc13d2e52e6bbcc8

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Frame-Options	DENY

Request headers

accept-language: is-IS,is;q=0.9
Referer: https://z-lib.is/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36

Response headers

date: Sun, 24 Dec 2023 22:56:14 GMT
content-encoding: gzip
x-content-type-options: nosniff
last-modified: Tue, 19 Dec 2023 14:09:38 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"6581a422-4d7"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=H7fJNvjSEYi3YA%2FFzJQoRjMJS5hw7sSEvo63BqvroQLBpw37Mcj%2BcyMhUn47izz%2Bw6c7ATU5n%2FGXV7xXFqlH83tCSN1S99ELH74isUs9OhpQcv4BR7XW81oU73c81lM4pvTQ5al6"}],"group":"cf-nel","max_age":604800}
content-type: application/javascript
x-frame-options: DENY
cache-control: max-age=172800, public
cf-ray: 83ac6fb7ec565cbb-KEF
expires: Tue, 26 Dec 2023 22:56:14 GMT

GET
H2 200 Stolzl-Book.woff2
z-lib.is/resources/fonts/ 23 KB
23 KB 98ms
97ms Font
font/woff2 2606:4700:20::681a:c4d
CLOUDFLARENET

General

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Show headers Download Go to

Full URL: https://z-lib.is/resources/fonts/Stolzl-Book.woff2
Requested by: Host: z-lib.is
URL: https://z-lib.is/css/global.css
Protocol: H2
Security: TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server: 2606:4700:20::681a:c4d , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 57aea9036fd63c824bf076bf02350617ddf12d4dee0b6b69ac1ec57657125b86

Request headers

Referer: https://z-lib.is/css/global.css
Origin: https://z-lib.is
accept-language: is-IS,is;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36

Response headers

date: Sun, 24 Dec 2023 22:56:14 GMT
cf-cache-status: HIT
last-modified: Sun, 13 Nov 2022 23:30:28 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
age: 281486
vary: Accept-Encoding,User-Agent
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=VgVBykj%2B05v41pNnVKULvSKIlltgp2Xll5F4UPi%2FY4yLL9FxzWZRaePzg2sicaaGK%2F3a5dz9qwHj3CeheP0wzOwn2QH5bzal2bOh8EXq%2FI89CA9H5rdjwV2Zx4VjsGY3tqcn4qCu"}],"group":"cf-nel","max_age":604800}
content-type: font/woff2
cache-control: max-age=604800
cf-ray: 83ac6fb98cc75cbb-KEF
expires: Tue, 26 Dec 2023 09:34:09 GMT

GET
H2 200 zlibicons.ttf
z-lib.is/resources/fonts/ 14 KB
9 KB 100ms
100ms Font
font/ttf 2606:4700:20::681a:c4d
CLOUDFLARENET

General

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Show headers Download Go to

Full URL: https://z-lib.is/resources/fonts/zlibicons.ttf?cn0bso
Requested by: Host: z-lib.is
URL: https://z-lib.is/css/global.css
Protocol: H2
Security: TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server: 2606:4700:20::681a:c4d , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 77cd085b932d0cfe5f82512f59fb43b28855a511d1417c9debce1b5c1cd4f509

Request headers

Referer: https://z-lib.is/css/global.css
Origin: https://z-lib.is
accept-language: is-IS,is;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36

Response headers

date: Sun, 24 Dec 2023 22:56:14 GMT
content-encoding: br
cf-cache-status: HIT
last-modified: Sun, 13 Nov 2022 23:30:44 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
age: 216425
vary: Accept-Encoding,User-Agent
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=YPgG3tOAHsz9xlMpJxpR8ggHkcKNY9wDg90I96LSdQmGYRApjkajSV3KHFHPjbAtCOZgCacIzRSv191ueFVAJZAYPFE%2BuW7aYuWFwwPdynUdwggmVAk0Mc9gRZAzr4wiQ2Cqh%2Bh%2F"}],"group":"cf-nel","max_age":604800}
content-type: font/ttf
cache-control: max-age=604800
cf-ray: 83ac6fb98cc85cbb-KEF
expires: Thu, 28 Dec 2023 10:01:00 GMT

GET
H2

200

main.js Show response
z-lib.is/cdn-cgi/challenge-platform/h/g/scripts/jsd/74bd6362/ Frame DF46
Redirect Chain

https://z-lib.is/cdn-cgi/challenge-platform/scripts/jsd/main.js
https://z-lib.is/cdn-cgi/challenge-platform/h/g/scripts/jsd/74bd6362/main.js

7 KB
4 KB

97ms
97ms

Script
application/javascript

2606:4700:20::681a:c4d
CLOUDFLARENET

General

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Show headers Download Go to

Full URL

https://z-lib.is/cdn-cgi/challenge-platform/h/g/scripts/jsd/74bd6362/main.js

Requested by

Host: z-lib.is
URL: https://z-lib.is/

Protocol

Server

2606:4700:20::681a:c4d , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

daf570e8df628328164017ea3541c2071dbe993378b688e28201f5cb02b147ba

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

accept-language: is-IS,is;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36

Response headers

date: Sun, 24 Dec 2023 22:56:14 GMT
content-encoding: br
x-content-type-options: nosniff
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
vary: accept-encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=V9qiYfmKmjvyaN%2FrEWgFuABwludsHZK%2FJYU5GSuRivri8hvFc91eA0%2F7X6u3zxn0F3TvNtGuJJU%2BKJ3wcbBh%2FXmmHLW7cuB1oWCIWQPIk3%2FabRdfv%2Bw%2BsKQZhWsqe8tOIJ9687OS"}],"group":"cf-nel","max_age":604800}
content-type: application/javascript; charset=UTF-8
cache-control: max-age=14400, public
cf-ray: 83ac6fba8d1d5cbb-KEF

Redirect headers

date: Sun, 24 Dec 2023 22:56:14 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
vary: accept-encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=N3MdYkItp0q%2BWm%2Fjc3HTM5Bu6PUUAwP6s2cI5TsgdgE4%2BIsobgCACPtWYihWNSQWPBpA2yKLLavoNFrCYEHOIu7D1szTp%2FurSkrgB6jDScd6IYL9SFareGhg1Li4PL0Ac1k7XsLf"}],"group":"cf-nel","max_age":604800}
access-control-allow-origin: *
location: /cdn-cgi/challenge-platform/h/g/scripts/jsd/74bd6362/main.js
cache-control: max-age=300, public
cf-ray: 83ac6fb9ece85cbb-KEF

POST
H2 204 collect
region1.google-analytics.com/g/ 0
249 B 305ms
101ms Ping
text/plain 2001:4860:4802:34::36
GOOGLE

General

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Show headers Download Go to

Full URL: https://region1.google-analytics.com/g/collect?v=2&tid=G-MQL5REGQNN&gtm=45je3bt0v896421635&_p=1703458573960&gcd=11l1l1l1l1&dma_cps=sypham&dma=1&cid=1114486115.1703458575&ul=en-us&sr=1600x1200&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&_s=1&sid=1703458574&sct=1&seg=0&dl=https%3A%2F%2Fz-lib.is%2F&dt=Z-Library%20Project%20-%20Electronic%20library.%20Download%20books%20free&en=page_view&_fv=1&_nsi=1&_ss=1&_ee=1&tfd=1413
Requested by: Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-MQL5REGQNN
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2001:4860:4802:34::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software: Golfe2 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language: is-IS,is;q=0.9
Referer: https://z-lib.is/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36

Response headers

pragma: no-cache
date: Sun, 24 Dec 2023 22:56:14 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://z-lib.is
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

POST
H2 200 83ac6fb36a5d5cbb Show response
z-lib.is/cdn-cgi/challenge-platform/h/g/jsd/r/ Frame DF46 0
470 B 251ms
250ms XHR
text/plain 2606:4700:20::681a:c4d
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://z-lib.is/cdn-cgi/challenge-platform/h/g/jsd/r/83ac6fb36a5d5cbb
Requested by: Host: z-lib.is
URL: https://z-lib.is/cdn-cgi/challenge-platform/scripts/jsd/main.js
Protocol: H2
Security: TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server: 2606:4700:20::681a:c4d , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
accept-language: is-IS,is;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36
Content-Type: application/json

Response headers

date: Sun, 24 Dec 2023 22:56:14 GMT
content-encoding: br
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
cf-ray: 83ac6fbc0e265cbb-KEF
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=o1DgWrdduRejs2WeRTa9UaGl8Hj6xFBdEOrGyaHfSLEsaMwGy%2BYGWZTw3tQWHMw11%2FILEpfNWsGbkUOKL5vQQmUWF4VU%2BMXJLT6Y89nLW2AUETxp99Sbvzo9z6yw3xFiQPNyiNPV"}],"group":"cf-nel","max_age":604800}
content-type: text/plain; charset=UTF-8

Verdicts & Comments Add Verdict or Comment

76 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.

5 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

Domain/Path	Expires	Name / Value
z-lib.is/	1970-01-20 17:11:05	Name: XSRF-TOKEN Value: eyJpdiI6IjRIWC9sZDNQMlVLdDdqRlVSZnhJREE9PSIsInZhbHVlIjoiWWZzWHpOSi9GT3lTZ2NHVlJNVnlDQUhaaWtReStXYlpMQ2VoZjBPSVNMK09xMlJiMVhacDYvZUgrVk9GNW5uN0djQjN1Qm1lc3dwWjRZbE1mcFBUa3hVZEc0L2pRZmIvS1FNWUtJYW9iTmpqTmZEWFRSZmxNTUlMZStYaEExcDEiLCJtYWMiOiI3ZGUzNzJlMDljZTk4NzkxMzQ5YmYzOTFiYTNkOTkwNGMwMjgxZjVjYzViODRjNzk3NTFiMjZiYzg4YThlMDI4IiwidGFnIjoiIn0%3D
z-lib.is/	1970-01-20 17:11:05	Name: z_lib_session Value: eyJpdiI6IkV6Vy9FYjZ0NnN2MXpPS09zTGxVc3c9PSIsInZhbHVlIjoiY3FDRzQwTm5ZYlNJNURkcW1YYzdrMmdmcVV4OWRoKzVZV2JIcERuZElEMXBrQWtjVVB1VHNVbWdIMTZKdm44N3kyK1ZoV096NXo2RXBlMjBLZ3ZTeXBvb1U0Qk5pVVkzN0dWeVdNWHQ1M29WWmNJaVk2TFlPZE1sOEZvd0tVUkgiLCJtYWMiOiI0YTNjNjZkMTk0MWQzM2E0MmE0YmEwYzIxMTA3MTBiMGI3MjU0Mzc0ODEwMWRhZWU3MjRiYWZmYWM5ZGMzYWVlIiwidGFnIjoiIn0%3D
.z-lib.is/	1970-01-21 02:46:58	Name: _ga Value: GA1.1.1114486115.1703458575
.z-lib.is/	1970-01-21 02:46:58	Name: _ga_MQL5REGQNN Value: GS1.1.1703458574.1.0.1703458574.0.0.0
.z-lib.is/	1970-01-21 01:56:34	Name: cf_clearance Value: 8xdV7DKll8LuEuSxucjzNA49vJMnZziFKsBI_rW7ouw-1703458574-0-2-7495b7ed.c86224b7.2394e80d-0.2.1703458574

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.

region1.google-analytics.com
www.googletagmanager.com
z-lib.is
2001:4860:4802:34::36
2606:4700:20::681a:c4d
2a00:1450:4001:81c::2008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z-lib.is Open in urlscan Pro 2606:4700:20::681a:c4d Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Detected technologies

Page Statistics

13 Requests

92 %HTTPS

100 %IPv6

3 Domains

3 Subdomains

3 IPs

2 Countries

382 kBTransfer

1280 kBSize

5 Cookies

0 Outgoing links

Redirected requests

13 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 0 data transactions

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Redirect headers

Request headers

Response headers

Request headers

Response headers

Verdicts & Comments Add Verdict or Comment

76 JavaScript Global Variables

5 Cookies

Indicators

z-lib.is Open in urlscan Pro
2606:4700:20::681a:c4d Public Scan

Screenshot
Live screenshot

Full Image

13
Requests

92 %
HTTPS

100 %
IPv6

3
Domains

3
Subdomains

3
IPs

2
Countries

382 kB
Transfer

1280 kB
Size

5
Cookies

13 HTTP transactions
0 data transactions