pku24.com - urlscan.io

Summary

This website contacted 1 IPs in 1 countries across 1 domains to perform 7 HTTP transactions. The main IP is 104.21.41.209, located in and belongs to CLOUDFLARENET, US. The main domain is pku24.com.
TLS certificate: Issued by WE1 on December 10th 2024. Valid for: 3 months.

This is the only time pku24.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address		AS Autonomous System
1 8	104.21.41.209 104.21.41.209		13335 (CLOUDFLAR...) (CLOUDFLARENET)
7	1

8 104.21.41.209 (None, ) 1 redirects

ASN13335 (CLOUDFLARENET, US)

pku24.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
8	pku24.com 1 redirects pku24.com	21 KB
7	1

	Domain	Requested by
8	pku24.com	1 redirects pku24.com
7	1

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

Domain
www.cloudflare.com

Subject Issuer	Validity	Valid
pku24.com WE1	`2024-12-10` - `2025-03-10`	3 months	crt.sh

This page contains 2 frames:

Primary Page: https://pku24.com/
Frame ID: 9811EA71CCE45BFF4E8B8C5F4E18C164
Requests: 5 HTTP requests in this frame

Frame: https://pku24.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/f9063374b04d/main.js
Frame ID: AFB03791BB91349A56C824F3D005B14D
Requests: 2 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Attention Required! | Cloudflare

Page Statistics

7
Requests

86 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

20 kB
Transfer

46 kB
Size

1
Cookies

1 Outgoing links

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

URL: https://www.cloudflare.com/5xx-error-landing
Title: Cloudflare

Search URL Search Domain Scan URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 3

https://pku24.com/cdn-cgi/challenge-platform/scripts/jsd/main.js HTTP 302
https://pku24.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/f9063374b04d/main.js

7 HTTP transactions
0 data transactions

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

GET
H3 403 Primary Request / Show response
pku24.com/ 5 KB
3 KB 114ms
29ms Document
text/html 104.21.41.209
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://pku24.com/

Protocol

H3

Security

QUIC, , AES_128_GCM

Server

104.21.41.209 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

b1c728b69bd5879d48d858d1d2fccb9b68e9b9284de251b37acd442cb1604dcd

Security Headers

Name	Value
Strict-Transport-Security	max-age=0
X-Frame-Options	SAMEORIGIN

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

alt-svc: h3=":443"; ma=86400
cache-control: max-age=15
cf-ray: 8efba9cd2db6f85d-ORD
content-encoding: zstd
content-type: text/html; charset=UTF-8
date: Tue, 10 Dec 2024 07:53:48 GMT
expires: Tue, 10 Dec 2024 07:54:03 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
priority: u=0,i
referrer-policy: same-origin
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=EtSpu1aAsbkC9Zrj%2BAAJaTAFhoAdhbpmCxktBpuafa0O8zuycjSv2aU76xTram3ozeZiaV2YpPoMAeqi19cMSlmm%2FwwBe4uf8df%2Fm49wRkaPNOl4Zfvj15TfxBs%3D"}],"group":"cf-nel","max_age":604800}
server: cloudflare
server-timing: cfL4;desc="?proto=QUIC&rtt=22992&min_rtt=22861&rtt_var=8666&sent=11&recv=7&lost=0&retrans=0&sent_bytes=4135&recv_bytes=4347&delivery_rate=134298&cwnd=12000&unsent_bytes=0&cid=fc599fddfa041e1e&ts=35&x=1" cfExtPri cfHdrFlush;dur=0
strict-transport-security: max-age=0
vary: Accept-Encoding
x-frame-options: SAMEORIGIN

GET
H3 200 cf.errors.css
pku24.com/cdn-cgi/styles/ 23 KB
5 KB 26ms
26ms Stylesheet
text/css 104.21.41.209
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://pku24.com/cdn-cgi/styles/cf.errors.css

Requested by

Host: pku24.com
URL: https://pku24.com/

Protocol

H3

Security

QUIC, , AES_128_GCM

Server

104.21.41.209 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

84e3c77025ace5af143972b4a40fc834dcdfd4e449d4b36a57e62326f16b3091

Security Headers

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

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: https://pku24.com/

Response headers

vary: Accept-Encoding
cache-control: max-age=7200, public
content-encoding: gzip
etag: W/"6751d1ac-5df3"
x-content-type-options: nosniff
cf-ray: 8efba9cd5e1ef85d-ORD
expires: Tue, 10 Dec 2024 09:53:48 GMT
date: Tue, 10 Dec 2024 07:53:48 GMT
content-type: text/css
last-modified: Thu, 05 Dec 2024 16:15:40 GMT
server: cloudflare
x-frame-options: DENY

GET
H3 200 browser-bar.png
pku24.com/cdn-cgi/images/ 715 B
897 B 25ms
24ms Image
image/png 104.21.41.209
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://pku24.com/cdn-cgi/images/browser-bar.png?1376755637

Requested by

Host: pku24.com
URL: https://pku24.com/cdn-cgi/styles/cf.errors.css

Protocol

H3

Security

QUIC, , AES_128_GCM

Server

104.21.41.209 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

8c873472f4925d5d47521db4d52532d2983e9cb1bde8b43143a6cc6db56c35db

Security Headers

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

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: https://pku24.com/cdn-cgi/styles/cf.errors.css

Response headers

vary: Accept-Encoding
cache-control: max-age=7200, public
etag: "6751d1ac-2cb"
x-content-type-options: nosniff
cf-ray: 8efba9cdaeb3f85d-ORD
expires: Tue, 10 Dec 2024 09:53:48 GMT
accept-ranges: bytes
content-length: 715
date: Tue, 10 Dec 2024 07:53:48 GMT
content-type: image/png
last-modified: Thu, 05 Dec 2024 16:15:40 GMT
server: cloudflare
x-frame-options: DENY

GET
H3 200 cf-no-screenshot-error.png
pku24.com/cdn-cgi/images/ 3 KB
3 KB 25ms
25ms Image
image/png 104.21.41.209
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://pku24.com/cdn-cgi/images/cf-no-screenshot-error.png

Requested by

Host: pku24.com
URL: https://pku24.com/cdn-cgi/styles/cf.errors.css

Protocol

H3

Security

QUIC, , AES_128_GCM

Server

104.21.41.209 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

1c53772285052e52bb7c12ad46a85a55747ed7bf66963fe1993fcef91ff5b0d0

Security Headers

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

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: https://pku24.com/cdn-cgi/styles/cf.errors.css

Response headers

vary: Accept-Encoding
cache-control: max-age=7200, public
etag: "6751d1ac-c8d"
x-content-type-options: nosniff
cf-ray: 8efba9cdaeb4f85d-ORD
expires: Tue, 10 Dec 2024 09:53:48 GMT
accept-ranges: bytes
content-length: 3213
date: Tue, 10 Dec 2024 07:53:48 GMT
content-type: image/png
last-modified: Thu, 05 Dec 2024 16:15:40 GMT
server: cloudflare
x-frame-options: DENY

GET
H3

200

main.js Show response
pku24.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/f9063374b04d/ Frame AFB0
Redirect Chain

https://pku24.com/cdn-cgi/challenge-platform/scripts/jsd/main.js
https://pku24.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/f9063374b04d/main.js?

9 KB
5 KB

28ms
28ms

Script
application/javascript

104.21.41.209
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://pku24.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/f9063374b04d/main.js?

Protocol

H3

Server

104.21.41.209 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

c214e9a1bc3254281e03e7db5c866546e269102b4d3a549fa1db4acddfdeec11

Security Headers

Name	Value
Strict-Transport-Security	max-age=0
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

Response headers

strict-transport-security: max-age=0
cache-control: max-age=14400, stale-if-error=10800, stale-while-revalidate=10800, public
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding: zstd
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=bhW8DkyP5ZusxqU4k7IIUMHdOfqt5rZJ7W54AiADWBzysMEg9Ys1fA7sarEP7jE4k0kVx2z7XxENhsx4tkBLrgllrFwZcRLaJVDSXbfo%2BCfTR70D%2BrvCRsGKmxg%3D"}],"group":"cf-nel","max_age":604800}
x-content-type-options: nosniff
cf-ray: 8efba9cdff15f85d-ORD
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=QUIC&rtt=29970&min_rtt=22860&rtt_var=9973&sent=32&recv=20&lost=0&retrans=0&sent_bytes=19805&recv_bytes=6593&delivery_rate=216896&cwnd=12000&unsent_bytes=0&cid=fc599fddfa041e1e&ts=165&x=1", cfExtPri, cfHdrFlush;dur=0
date: Tue, 10 Dec 2024 07:53:48 GMT
content-type: application/javascript; charset=UTF-8
vary: Accept-Encoding
server: cloudflare
priority: u=3,i=?0

Redirect headers

strict-transport-security: max-age=0
cache-control: max-age=300, stale-if-error=10800, stale-while-revalidate=10800, public
location: /cdn-cgi/challenge-platform/h/g/scripts/jsd/f9063374b04d/main.js?
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=ZQY9FJuVOCKk00vjphGRWUhhfEhIcuNIdcsnddL2o5OyF9OyBaM%2Fy1J9eCs90SF%2BFfkdabOfTHnd8e%2F4yr0EnFnsoQRXVaNFn%2FcXY%2FOUtx5V%2FuXvkJ1GQZWAQb4%3D"}],"group":"cf-nel","max_age":604800}
cf-ray: 8efba9cdced9f85d-ORD
access-control-allow-origin: *
alt-svc: h3=":443"; ma=86400
content-length: 0
server-timing: cfL4;desc="?proto=QUIC&rtt=29106&min_rtt=22860&rtt_var=9519&sent=26&recv=16&lost=0&retrans=0&sent_bytes=16422&recv_bytes=5887&delivery_rate=197521&cwnd=12000&unsent_bytes=0&cid=fc599fddfa041e1e&ts=136&x=1", cfExtPri, cfHdrFlush;dur=0
date: Tue, 10 Dec 2024 07:53:48 GMT
vary: Accept-Encoding
server: cloudflare
priority: u=3,i=?0

GET
H3 403 favicon.ico
pku24.com/ 4 KB
2 KB 28ms
27ms Other
text/html 104.21.41.209
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://pku24.com/favicon.ico

Protocol

H3

Security

QUIC, , AES_128_GCM

Server

104.21.41.209 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

d821f42064f9ec7c969bc30d54a79484bcbcc220b33597c14f0152c020f34878

Security Headers

Name	Value
Strict-Transport-Security	max-age=0
X-Frame-Options	SAMEORIGIN

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: https://pku24.com/

Response headers

content-encoding: zstd
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=EBy0kQuMyW4%2BnkcZiAipxt1o0SXuZPEpNc4O6iLEDRDnWONc24a%2B63SVIK9axAPLQ8i8L4gYFUgJc%2F3CAPSEvBRMjwyhTpg3%2BwmHWdoCt4jWwdMcqlwyqV4Sym8%3D"}],"group":"cf-nel","max_age":604800}
expires: Tue, 10 Dec 2024 07:54:03 GMT
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=QUIC&rtt=27823&min_rtt=22860&rtt_var=7573&sent=28&recv=19&lost=0&retrans=0&sent_bytes=17174&recv_bytes=6309&delivery_rate=185984&cwnd=12000&unsent_bytes=0&cid=fc599fddfa041e1e&ts=147&x=1", cfExtPri, cfHdrFlush;dur=0
date: Tue, 10 Dec 2024 07:53:48 GMT
content-type: text/html; charset=UTF-8
vary: Accept-Encoding
priority: u=1,i
x-frame-options: SAMEORIGIN
strict-transport-security: max-age=0
cache-control: max-age=15
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
referrer-policy: same-origin
cf-ray: 8efba9cddef7f85d-ORD
server: cloudflare

POST
H3 200 8efba9cd2db6f85d Show response
pku24.com/cdn-cgi/challenge-platform/h/g/jsd/r/ Frame AFB0 0
1 KB 37ms
31ms XHR
text/plain 104.21.41.209
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://pku24.com/cdn-cgi/challenge-platform/h/g/jsd/r/8efba9cd2db6f85d

Requested by

Host: pku24.com
URL: https://pku24.com/cdn-cgi/challenge-platform/scripts/jsd/main.js

Protocol

H3

Security

QUIC, , AES_128_GCM

Server

104.21.41.209 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Security Headers

Name	Value
Strict-Transport-Security	max-age=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
Content-Type: application/json
Referer

Response headers

strict-transport-security: max-age=0
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=P1gHe4Buwu2QnGFsqTZj%2F1mvIoO5Lte5MF5nZ4obAc0XpCPJWXM3n%2FAtiLk0dOpUDKp%2BqLzmTbfyors9SkBY%2FcJzLzbGKD%2B3bnZqEqoLE0VDCXJNItAL3ptIvNU%3D"}],"group":"cf-nel","max_age":604800}
cf-ray: 8efba9cec833f85d-ORD
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=QUIC&rtt=34394&min_rtt=22860&rtt_var=10867&sent=44&recv=39&lost=0&retrans=0&sent_bytes=24944&recv_bytes=23918&delivery_rate=252689&cwnd=12000&unsent_bytes=0&cid=fc599fddfa041e1e&ts=304&x=1", cfExtPri, cfHdrFlush;dur=0
content-length: 0
date: Tue, 10 Dec 2024 07:53:48 GMT
content-type: text/plain; charset=UTF-8
server: cloudflare
priority: u=1,i

Verdicts & Comments Add Verdict or Comment

2 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| 0 object| _cf_translation

1 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
			.pku24.com/	1970-01-21 10:22:33	Name: cf_clearance Value: JQTwlNCggQRlGkGscKXQ8TgfMKoAQdJ0JOUCUFpiSrc-1733817228-1.2.1.1-gXzdIDbvV_86pDNca_XPVgvpWzgAsYrqsO0YbgvGbJNnM_M4Q4.MhOOhnxQi_l6aQFbi_RbRtB0DujUbXjHADtHz9S.AvRzVEi3Q7KlfE4r6sdQACEoDPaRecH3GZpUKSCpxKLUxT8CkrZCwp1xg50E8P7fV2xNsVFX2asQGTc1xxY2F9LaqK09fMjbpLnDdadRiS0fbKyH9E6O_aIZdPMkdgYfEnmL7fyomR5u3KVU3Yq8J08V.FAM3ktBTwbff1S570ElxTeVN46TkiADWYwLWwE7HNfxIIWz.MTJGFp_QBnDAEz89k7dxMFehQpPsTI75fIl7oSnS6ETYfD8QJoOBJzo02s.kO6krSYlcpM_fhNX_yO49WWCPg73mSCxF

2 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
network	error	URL: https://pku24.com/#ce Message: Failed to load resource: the server responded with a status of 403 ()
network	error	URL: https://pku24.com/favicon.ico 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
Strict-Transport-Security	max-age=0
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.

pku24.com
104.21.41.209
1c53772285052e52bb7c12ad46a85a55747ed7bf66963fe1993fcef91ff5b0d0
84e3c77025ace5af143972b4a40fc834dcdfd4e449d4b36a57e62326f16b3091
8c873472f4925d5d47521db4d52532d2983e9cb1bde8b43143a6cc6db56c35db
b1c728b69bd5879d48d858d1d2fccb9b68e9b9284de251b37acd442cb1604dcd
c214e9a1bc3254281e03e7db5c866546e269102b4d3a549fa1db4acddfdeec11
d821f42064f9ec7c969bc30d54a79484bcbcc220b33597c14f0152c020f34878
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

pku24.com Open in urlscan Pro 104.21.41.209 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page Statistics

7 Requests

86 %HTTPS

0 %IPv6

1 Domains

1 Subdomains

1 IPs

1 Countries

20 kBTransfer

46 kBSize

1 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

Redirect headers

Request headers

Response headers

Request headers

Response headers

Verdicts & Comments Add Verdict or Comment

2 JavaScript Global Variables

1 Cookies

2 Console Messages

Security Headers

Indicators

pku24.com Open in urlscan Pro
104.21.41.209 Public Scan

Screenshot
Live screenshot

Full Image

7
Requests

86 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

20 kB
Transfer

46 kB
Size

1
Cookies

7 HTTP transactions
0 data transactions