Security Scan Report: kawai-juku.ac.jp

Redirected to:
https://www.kawai-juku.ac.jp/
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Submitted: Sep 19, 2026, 8:03:09 PMCompleted: Sep 19, 2026, 8:04:00 PMpubliccompleted

This website contacted 54 IPs in 7 countries across 44 domains to perform 200 HTTP transactions. The main domain is kawai-juku.ac.jp and was registered 3 years 5 months ago.

Submitted URL: https://kawai-juku.ac.jp

Effective URL:

https://www.kawai-juku.ac.jp/
Redirected

AI Security Verdict

Safe Website

Confidence: 90%

0
Risk Score

Official website of Kawaijuku (河合塾), a Japanese prep school, on its own .ac.jp domain. Self-branding matches the host, no credential/payment forms, no Indicators of Compromise, YARA, or Safe Browsing hits. Legitimate.

Safety Factors
Domain registered 2023-04-24 (well-established, 3+ years old)
Official .ac.jp educational-institution domain
Self-branding consistent with domain (河合塾, Kawaijuku Educational Institution)
No credential, password, or payment collection forms
No threat-intelligence matches, YARA hits, or malicious kit detections
Same-domain form actions only; no cross-origin credential submission
Domain age information unavailable

Details

Page Title

大学受験の予備校・塾 河合塾

Scan Type

public

Domain Name Analysis

Domain 'kawai-juku.ac.jp' uses the Japanese country-code top-level domain (.ac.jp) and has no subdomain. The second-level label 'kawai-juku' is 10 characters long containing 5 vowels alongside four consonants, notching one hyphen. Splitting it apart reveals 2 words: kawai, juku. Expect 4.5 characters per word on average. No strong language cues emerged from the frequency lists.

Screenshot

Security scan screenshot of https://kawai-juku.ac.jp

Page Load Overview

9.65s
Total Load Time
6.9 MB
Total Size

Language Analysis

Primary Language

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

Detection Details

HTML Lang Attribute:ja
Text Length:3,552 chars
Detector Agreement:100%

Website Classification

Primary Category

healthcare medical78% confidence
Type: spa
Method: ml+structural

All Detected Categories

healthcare medical
78%
education learning
73%
education
45%
documentation technical
29%
news/blog
20%

Detected Features

OG: article

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
4123.76.204.47Akamai · CDNSchiphol, North Holland, Netherlands
AS20940Akamai International B.V.
3124.110.69.31Sugao, Kanagawa, Japan
AS2519ARTERIA Networks Corporation
323.219.139.90Akamai · CDNFrankfurt am Main, Hesse, Germany
AS16625Akamai Technologies, Inc.
323.76.204.53Akamai · CDNSchiphol, North Holland, Netherlands
AS20940Akamai International B.V.
323.52.181.12Akamai · CDNFrankfurt am Main, Hesse, Germany
AS16625Akamai Technologies, Inc.
340.180.1.59Aws · CLOUDDublin, Leinster, Ireland
AS16509Amazon.com, Inc.
3142.251.14.97Google · CDNUnited States
AS15169Google LLC
323.52.181.139Akamai · CDNFrankfurt am Main, Hesse, Germany
AS16625Akamai Technologies, Inc.
3146.75.120.157Fastly · CDNFrankfurt am Main, Hesse, Germany
AS54113Fastly, Inc.
3150.171.28.10Azure · CLOUDUnited States
AS8075Microsoft Corporation
20054--

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T1B63144BBAB00C90575549384FEE9B365CC3E9D86C9279981B1ED80BB04D4758D8F3223

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

48:cfrhnaMbc83DzDWnDNGJzsDNxhnaMbc83DMbwSJ:er5aEc83vwpr5aEc83IkC

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:1855:wEACgQSIQAAAAAQAIEAgAACIAAAAAIEAIEIAAEAAAAAIAQAAAAAQCAAQCgCAAQAAAAIAQAAAJABAAIABEIAAAAAIAECAAAAA

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:1f3fffffffffffff
Perceptual Hash:870707070707fbf9
Difference Hash:e040000000000000
Wavelet Hash:1030f0f0f0f0f0f0
Color Hash:#6c9ce0

Other Hashes

Crop Resistant:e040000000000000

Scan History

Scan history not available

Unable to load historical scan data