z-lib.io - urlscan.io

Summary

This website contacted 3 IPs in 1 countries across 2 domains to perform 7 HTTP transactions. The main IP is 2606:4700:20::681a:907, located in United States and belongs to CLOUDFLARENET, US. The main domain is z-lib.io. The Cisco Umbrella rank of the primary domain is 242260.
TLS certificate: Issued by GTS CA 1P5 on January 22nd 2024. Valid for: 3 months.

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

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
4	2606:4700:20:... 2606:4700:20::681a:907	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	2606:4700::68... 2606:4700::6811:3b8	13335 (CLOUDFLAR...) (CLOUDFLARENET)
7	3

4 2606:4700:20::681a:907 (United States)

ASN13335 (CLOUDFLARENET, US)

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

2 2606:4700::6811:3b8 (United States)

ASN13335 (CLOUDFLARENET, US)

challenges.cloudflare.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
4	z-lib.io z-lib.io — Cisco Umbrella Rank: 242260	76 KB
2	cloudflare.com challenges.cloudflare.com — Cisco Umbrella Rank: 5168	13 KB
7	2

	Domain	Requested by
4	z-lib.io	z-lib.io
2	challenges.cloudflare.com	z-lib.io challenges.cloudflare.com
7	2

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

Domain
www.cloudflare.com

Subject Issuer	Validity	Valid
z-lib.io GTS CA 1P5	`2024-01-22` - `2024-04-21`	3 months	crt.sh
challenges.cloudflare.com Cloudflare Inc ECC CA-3	`2023-08-18` - `2024-08-17`	a year	crt.sh

This page contains 2 frames:

Primary Page: https://z-lib.io/author/Jeff%20Ferguson;%20et%20al
Frame ID: 7B0AA8C07556092A2734DF4BB406F05A
Requests: 6 HTTP requests in this frame

Frame: https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/turnstile/if/ov2/av0/rcv0/0/jwolo/0x4AAAAAAADnPIDROrmt1Wwj/light/normal
Frame ID: 59C088152C2E7C108E0823E05D36B230
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Just a moment...

Page Statistics

7
Requests

86 %
HTTPS

100 %
IPv6

2
Domains

2
Subdomains

3
IPs

1
Countries

88 kB
Transfer

238 kB
Size

2
Cookies

1 Outgoing links

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

URL: https://www.cloudflare.com/?utm_source=challenge&utm_campaign=m
Title: Cloudflare

Search URL Search Domain Scan URL

Redirected requests

There were HTTP redirect chains for the following requests:

7 HTTP transactions
0 data transactions

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

GET
H2 403 Primary Request Jeff%20Ferguson;%20et%20al Show response
z-lib.io/author/ 13 KB
8 KB 85ms
24ms Document
text/html 2606:4700:20::681a:907
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://z-lib.io/author/Jeff%20Ferguson;%20et%20al

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:907 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

6275e223ca75ce4b5a5d40eb06c468c6b60a1d8cfc3b56ae918228643ab65fd9

Security Headers

Name	Value
X-Frame-Options	SAMEORIGIN

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: de-DE,de;q=0.9

Response headers

accept-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
alt-svc: h3=":443"; ma=86400
cache-control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-mitigated: challenge
cf-ray: 84dd415c9fd1bbdd-FRA
content-encoding: br
content-type: text/html; charset=UTF-8
cross-origin-embedder-policy: require-corp
cross-origin-opener-policy: same-origin
cross-origin-resource-policy: same-origin
date: Tue, 30 Jan 2024 22:47:12 GMT
expires: Thu, 01 Jan 1970 00:00:01 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
origin-agent-cluster: ?1
permissions-policy: accelerometer=(),autoplay=(),browsing-topics=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
referrer-policy: same-origin
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=hOb4ImDpegwyNsikDd4w4FhZrHILogZ7mTxvjgYAG2F3L4%2FcdD%2FgP8p%2FX3JFwwUJK5e0kz5HAEqlvweUS0qWwODNUCFFIWs6P0a86z6HywfbWaqKytOsUie6giRab6z2K6F2M%2FOA"}],"group":"cf-nel","max_age":604800}
server: cloudflare
vary: Accept-Encoding
x-frame-options: SAMEORIGIN

GET
H2 200 v1 Show response
z-lib.io/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/ 165 KB
56 KB 28ms
28ms Script
application/javascript 2606:4700:20::681a:907
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://z-lib.io/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=84dd415c9fd1bbdd
Requested by: Host: z-lib.io
URL: https://z-lib.io/author/Jeff%20Ferguson;%20et%20al
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2606:4700:20::681a:907 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 2860e2f83dcca5dfdd05270db535651ba30668f0f32e956966fe8edb8710f166

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://z-lib.io/author/Jeff%20Ferguson;%20et%20al?__cf_chl_rt_tk=7y.CNGYcav8_EkIeFJTcXo4eNt3lVQHf6FtcwDCMmpo-1706654832-0-gaNycGzNDqU
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: Tue, 30 Jan 2024 22:47:12 GMT
content-encoding: br
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=DqduDwYwltqaAgHUZwQKOLCXemUxqs0PHZe5MIHuUwPidCEZCzV2oCIE9r2j9mMdEQftu2Ul%2FN%2BoT5XemNoYZ6RKtVOmpGouTuC4JpGLuZichDYCpcOHs04P6AJa%2FDRGnOsAs%2FC7"}],"group":"cf-nel","max_age":604800}
content-type: application/javascript; charset=UTF-8
cache-control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-ray: 84dd415cefffbbdd-FRA
alt-svc: h3=":443"; ma=86400

GET
H2 200 api.js Show response
challenges.cloudflare.com/turnstile/v0/g/ea25f566/ 37 KB
13 KB 82ms
40ms Script
application/javascript 2606:4700::6811:3b8
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://challenges.cloudflare.com/turnstile/v0/g/ea25f566/api.js?onload=xZNcr9&render=explicit
Requested by: Host: z-lib.io
URL: https://z-lib.io/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=84dd415c9fd1bbdd
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2606:4700::6811:3b8 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 18cbe0edc0b01c71a6c3ffe704550a8bb1cfe7e02839b7dbdc9c44288bf8b59c

Request headers

Referer
Origin: https://z-lib.io
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/120.0.6099.224 Safari/537.36

Response headers

date: Tue, 30 Jan 2024 22:47:12 GMT
content-encoding: br
server: cloudflare
vary: Accept-Encoding
content-type: application/javascript; charset=UTF-8
access-control-allow-origin: *
cache-control: max-age=31536000
cf-ray: 84dd415d6eb7697f-FRA
alt-svc: h3=":443"; ma=86400

GET
H2 200 favicon.ico
z-lib.io/ 9 KB
2 KB 29ms
29ms Image
image/vnd.microsoft.icon 2606:4700:20::681a:907
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://z-lib.io/favicon.ico
Requested by: Host: z-lib.io
URL: https://z-lib.io/author/Jeff%20Ferguson;%20et%20al
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2606:4700:20::681a:907 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare / PleskLin
Resource Hash: 0bbaf965b162d7a547df5d75b631caa661cf890ff7c6dc8d490298ca6072fa9e

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://z-lib.io/author/Jeff%20Ferguson;%20et%20al
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: Tue, 30 Jan 2024 22:47:12 GMT
content-encoding: br
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age: 5321628
x-powered-by: PleskLin
alt-svc: h3=":443"; ma=86400
last-modified: Tue, 15 Nov 2022 05:30:52 GMT
server: cloudflare
etag: W/"6373240c-25be"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=Y3ZRQgBBvx%2Bo4gmAh4cqiNvik13o2c4k%2BJdh%2FfyUyFjymN7xVTkmUZgFlZETQh6KetZPtFik1JhbtyXums%2BUPIyGtwhKEN6c38b0MUNWpP5XJ%2Fzt9Mb6k%2F97aAArNgzdCfBu%2Brsc"}],"group":"cf-nel","max_age":604800}
content-type: image/vnd.microsoft.icon
cache-control: public, max-age=31536000
cf-ray: 84dd415d283dbbdd-FRA
expires: Sat, 02 Dec 2023 08:33:24 GMT

GET
BLOB 200
OK 1f0537d4-63f2-48c6-ad37-d9cc49577ab2
https://z-lib.io/ 13 B
0 Other
text/javascript

General

Check archive.org

Show headers Download Go to

Full URL: blob:https://z-lib.io/1f0537d4-63f2-48c6-ad37-d9cc49577ab2
Requested by: Host: z-lib.io
URL: https://z-lib.io/author/Jeff%20Ferguson;%20et%20al
Protocol: BLOB
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: 8860e7fef89219a219cb11d18bd8e4a322f32072613f86e935e7fe162ab69c04

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://z-lib.io/author/Jeff%20Ferguson;%20et%20al
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

Content-Length: 13
Content-Type: text/javascript

POST
H3 200 b1cd9945a22203a Show response
z-lib.io/cdn-cgi/challenge-platform/h/g/flow/ov1/617735575:1706653377:CeikP4Nt3cno0ZYLncnZB7352zugTqcIk7rfNsDYvwk/84dd415c9fd1bbdd/ 13 KB
10 KB 49ms
49ms XHR
text/plain 2606:4700:20::681a:907
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://z-lib.io/cdn-cgi/challenge-platform/h/g/flow/ov1/617735575:1706653377:CeikP4Nt3cno0ZYLncnZB7352zugTqcIk7rfNsDYvwk/84dd415c9fd1bbdd/b1cd9945a22203a
Requested by: Host: z-lib.io
URL: https://z-lib.io/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=84dd415c9fd1bbdd
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2606:4700:20::681a:907 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: f4e31a59ac97c6b130e912c5f52f6a13571cfe364425df1edf5fa28fe0bb368e

Request headers

Referer: https://z-lib.io/author/Jeff%20Ferguson;%20et%20al
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/120.0.6099.224 Safari/537.36
CF-Challenge: b1cd9945a22203a
Content-type: application/x-www-form-urlencoded

Response headers

date: Tue, 30 Jan 2024 22:47:12 GMT
content-encoding: br
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=FuXoHxW9nO3gdxrWtqjg5tTqtu%2BKldyzHmutW3t0e8kf0HwpUiTkW0U8fcJqF7B19VRbEOwh%2B2E%2BmNxWInAbJxRmrobe124NGa1rJW08BwdRDdGUwVl47DGx1AN6ShoUmjZy8pa6"}],"group":"cf-nel","max_age":604800}
content-type: text/plain; charset=UTF-8
cf-ray: 84dd415dde14360c-FRA
alt-svc: h3=":443"; ma=86400
cf-chl-gen: 8vqzQaI0KF102IoVeSejsCAcWQ9JmlxipJMjz0w/AGuDkO5XPUjXGYuNYbAtVQRt$eS+VGdve/HqiZTByOlic0Q==

GET
H3 200 normal
challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/turnstile/if/ov2/av0/rcv0/0/jwolo/0x4AAAAAAADnPIDROrmt1Wwj/light/ Frame 59C0 0
0 54ms
31ms Document
text/html 2606:4700::6811:3b8
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/turnstile/if/ov2/av0/rcv0/0/jwolo/0x4AAAAAAADnPIDROrmt1Wwj/light/normal

Requested by

Host: challenges.cloudflare.com
URL: https://challenges.cloudflare.com/turnstile/v0/g/ea25f566/api.js?onload=xZNcr9&render=explicit

Protocol

H3

Security

QUIC, , AES_128_GCM

Server

2606:4700::6811:3b8 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

Security Headers

Name	Value
Content-Security-Policy	frame-src https://challenges.cloudflare.com/ blob:; base-uri 'self'

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: de-DE,de;q=0.9

Response headers

accept-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
alt-svc: h3=":443"; ma=86400
cache-control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-ray: 84dd415e68929296-FRA
content-encoding: br
content-security-policy: frame-src https://challenges.cloudflare.com/ blob:; base-uri 'self'
content-type: text/html; charset=UTF-8
cross-origin-embedder-policy: require-corp
cross-origin-opener-policy: same-origin
cross-origin-resource-policy: cross-origin
date: Tue, 30 Jan 2024 22:47:12 GMT
document-policy: js-profiling
origin-agent-cluster: ?1
permissions-policy: accelerometer=(),autoplay=(),browsing-topics=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
referrer-policy: same-origin
server: cloudflare

Verdicts & Comments Add Verdict or Comment

15 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.

2 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.io/	1970-01-20 18:04:16	Name: __cf_bm Value: 0VbJeRx7FgfsddkdP2K3yYgyD23eIHDYFsQ.c59Iu_g-1706654832-1-AS1AF3kLrwujyf+UMOqxwZWKcQGQDZfUSCGbw3/WVg3ItX6pjZn9ZIVCyML0Bv8JbuGIt/Ag7KihVI63cy94myQ=
			z-lib.io/	1970-01-20 18:04:18	Name: cf_chl_3 Value: b1cd9945a22203a

3 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source	Level	URL Text
security	warning	Message: Error with Permissions-Policy header: Origin trial controlled feature not enabled: 'browsing-topics'.
security	warning	Message: Error with Permissions-Policy header: Origin trial controlled feature not enabled: 'interest-cohort'.
network	error	URL: https://z-lib.io/author/Jeff%20Ferguson;%20et%20al Message: Failed to load resource: the server responded with a status of 403 ()

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

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.

challenges.cloudflare.com
z-lib.io
2606:4700:20::681a:907
2606:4700::6811:3b8
0bbaf965b162d7a547df5d75b631caa661cf890ff7c6dc8d490298ca6072fa9e
18cbe0edc0b01c71a6c3ffe704550a8bb1cfe7e02839b7dbdc9c44288bf8b59c
2860e2f83dcca5dfdd05270db535651ba30668f0f32e956966fe8edb8710f166
6275e223ca75ce4b5a5d40eb06c468c6b60a1d8cfc3b56ae918228643ab65fd9
8860e7fef89219a219cb11d18bd8e4a322f32072613f86e935e7fe162ab69c04
f4e31a59ac97c6b130e912c5f52f6a13571cfe364425df1edf5fa28fe0bb368e

z-lib.io Open in urlscan Pro 2606:4700:20::681a:907 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page Statistics

7 Requests

86 %HTTPS

100 %IPv6

2 Domains

2 Subdomains

3 IPs

1 Countries

88 kBTransfer

238 kBSize

2 Cookies

1 Outgoing links

Redirected requests

7 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

Verdicts & Comments Add Verdict or Comment

15 JavaScript Global Variables

2 Cookies

3 Console Messages

Security Headers

Indicators

z-lib.io Open in urlscan Pro
2606:4700:20::681a:907 Public Scan

Screenshot
Live screenshot

Full Image

7
Requests

86 %
HTTPS

100 %
IPv6

2
Domains

2
Subdomains

3
IPs

1
Countries

88 kB
Transfer

238 kB
Size

2
Cookies

7 HTTP transactions
0 data transactions