URL: https://sprout.tw/algo2023/ppt_pdf/week13/segment_tree_2.pdf
Submission: On December 18 via api from US — Scanned from ES

Summary

This website contacted 1 IPs in 1 countries across 1 domains to perform 2 HTTP transactions. The main IP is 140.112.28.59, located in Taipei, Taiwan and belongs to NTU-TW National Taiwan University, TW. The main domain is sprout.tw.
TLS certificate: Issued by R11 on November 13th 2024. Valid for: 3 months.
This is the only time sprout.tw was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
2 140.112.28.59 17716 (NTU-TW Na...)
2 1
Apex Domain
Subdomains
Transfer
2 sprout.tw
sprout.tw
10 KB
2 1
Domain Requested by
2 sprout.tw
2 1

This site contains no links.

Subject Issuer Validity Valid
sprout.tw
R11
2024-11-13 -
2025-02-11
3 months crt.sh

This page contains 1 frames:

Primary Page: https://sprout.tw/algo2023/ppt_pdf/week13/segment_tree_2.pdf
Frame ID: ECDBFD101FBACEAA5EF28C1DF0B337BB
Requests: 2 HTTP requests in this frame

Screenshot


Page Statistics

2
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

10 kB
Transfer

10 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

2 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request segment_tree_2.pdf
sprout.tw/algo2023/ppt_pdf/week13/
345 B
0
Document
General
Full URL
https://sprout.tw/algo2023/ppt_pdf/week13/segment_tree_2.pdf
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
140.112.28.59 Taipei, Taiwan, ASN17716 (NTU-TW National Taiwan University, TW),
Reverse DNS
acm.csie.ntu.edu.tw
Software
nginx/1.24.0 (Ubuntu) /
Resource Hash
ad0eb6cd39a5218c692f113997f90ab0c29ff59750261aba3ead44530dbb5b21
Security Headers
Name Value
Strict-Transport-Security max-age=15768000; includeSubDomains; preload

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

accept-ranges
bytes
content-length
1098398
content-type
application/pdf
date
Wed, 18 Dec 2024 09:08:51 GMT
etag
"10c29e-5e0c74be58500"
last-modified
Mon, 06 Jun 2022 13:17:40 GMT
server
nginx/1.24.0 (Ubuntu)
strict-transport-security
max-age=15768000; includeSubDomains; preload
favicon.ico
sprout.tw/
10 KB
10 KB
Other
General
Full URL
https://sprout.tw/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
140.112.28.59 Taipei, Taiwan, ASN17716 (NTU-TW National Taiwan University, TW),
Reverse DNS
acm.csie.ntu.edu.tw
Software
nginx/1.24.0 (Ubuntu) /
Resource Hash
ec4272bfba8b9ba415a0a1df7a861d51f2e09f3137dcec3a199916a98d50bad0
Security Headers
Name Value
Strict-Transport-Security max-age=15768000; includeSubDomains; preload

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://sprout.tw/algo2023/ppt_pdf/week13/segment_tree_2.pdf

Response headers

strict-transport-security
max-age=15768000; includeSubDomains; preload
etag
"67112c19-287e"
accept-ranges
bytes
content-length
10366
date
Wed, 18 Dec 2024 09:08:51 GMT
content-type
image/x-icon
last-modified
Thu, 17 Oct 2024 15:24:09 GMT
server
nginx/1.24.0 (Ubuntu)

Verdicts & Comments Add Verdict or Comment

1 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

0 Cookies

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=15768000; includeSubDomains; preload

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.

sprout.tw
140.112.28.59
ad0eb6cd39a5218c692f113997f90ab0c29ff59750261aba3ead44530dbb5b21
ec4272bfba8b9ba415a0a1df7a861d51f2e09f3137dcec3a199916a98d50bad0