Security Scan Report: sk.tsukuba.ac.jp

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Submitted: Jun 21, 2026, 12:02:15 PMCompleted: Jun 21, 2026, 12:03:33 PMpubliccompleted
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Summary

This website contacted 2 IPs in 2 countries across 2 domains to perform 2 HTTP transactions. The main domain is sk.tsukuba.ac.jp.

Submitted URL: https://sk.tsukuba.ac.jp

The Cisco Umbrella rank of the primary domain is #333,741 of the top 1 million websites

AI Security Verdict

Low Risk

Confidence: 92%

2
Risk Score

The site shows no malicious activity, forms, or IoC matches; classified as low risk.

Safety Factors
Absence of forms and credential collection
No malicious signatures or alerts
Domain age unknown but no brand impersonation
Domain age information unavailable

Details

Page Title

“つくばの社工” 関連組織

Scan Type

public

Language

🇯🇵

Japanese

(80% confidence)

Category

technology software

(54%)

Domain Information

Domain 'sk.tsukuba.ac.jp' uses the Japanese country-code top-level domain (.ac.jp); it also runs on subdomain 'sk'. The core label 'tsukuba' covers 7 characters holding 3 vowels versus 4 consonants. Segmentation suggests 1 word: tsukuba. Median word length is 7 characters. No strong language cues emerged from the frequency lists.

Screenshot

Security scan screenshot of https://sk.tsukuba.ac.jp

Page Load Overview

9.45s
Total Load Time
53
HTTP Requests
5
Domains
1.0 MB
Total Size

Language Analysis

Primary Language

🇯🇵Japanese
Code: ja
Confidence:80%
Script:Mixed
Direction:ltr

Detection Details

Language Code:ja
Detection Confidence:80%
Script Type:Mixed
HTML Lang Attribute:ja
Text Length:1,346 chars
Detector Agreement:67%

Website Classification

Primary Category

technology software54% confidence
Type: static
Method: ml+structural

All Detected Categories

technology software
54%
education learning
49%
documentation technical
49%
education
45%
corporate business
33%

Detected Features

No structural features detected

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
27130.158.70.181Tsukuba, Ibaraki, Japan
AS37917University of Tsukuba
26157.240.0.6Frankfurt am Main, Hesse, Germany
AS32934Facebook, Inc.
532--

Detected Technologies2

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T1B272B77B158C691AC333C2C07024B74CA46F6D27DAE72ED6B17B6831A4C63DBA84917D

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

384:jppDfj6w15lnxLTJIryXiJI6XiJI71hargLAd44aR:jplRIMgLAd44W

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:16997:SDYMTPAMTaDgkyR3giEGiQdIZIBQwF4BAbAgmRjDxoIBRwAoJYcBjuWVKAQFoXIIgj9EARQbBBAsCNjAGBBBwGNBq0TDDCJN

These hashes enable detection of similar websites and malware variants by comparing content similarity even when exact matches aren't found.

Image Hashes

Perceptual Hashes

Average Hash:00cededededecfdf
Perceptual Hash:98672367c738c798
Difference Hash:9ab8b0b0b0b0b1b1
Wavelet Hash:00dedede1c1c1d1d
Color Hash:#b2c587

Other Hashes

Crop Resistant:9ab8b0b0b0b0b1b1

Scan History

Scan history not available

Unable to load historical scan data