Security Scan Report: edu.51cto.com

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Submitted: Jun 1, 2026, 2:05:46 PMCompleted: Jun 1, 2026, 2:08:08 PMpubliccompleted

This website contacted 1 IP in 1 country across 15 domains to perform 198 HTTP transactions. The main domain is edu.51cto.com and was registered 21 years ago.

Submitted URL: https://edu.51cto.com

The Cisco Umbrella rank of the primary domain is #204,994 of the top 1 million websites

AI Security Verdict

Moderate Risk

Confidence: 78%

5
Risk Score

The site appears to be a legitimate educational platform; moderate risk stems mainly from heavy script obfuscation and low ranking, but no phishing or malware indicators were found.

Risk Factors (2)
Low domain reputation ranking
Heavy JavaScript obfuscation (eval, Function, base64 encoding)
Safety Factors (3)
Long‑standing domain registration
Absence of credential‑stealing forms
No known malicious IoCs or IDS alerts
Domain age information unavailable

Details

Page Title

51CTO学堂-IT培训_IT人充电上51CTO学堂

Scan Type

public

Domain Name Analysis

You're looking at domain 'edu.51cto.com' on the commercial generic top-level domain (.com) and includes subdomain 'edu'. The registrable portion '51cto' spans 5 characters containing 1 vowel alongside two consonants, plus two digits. Tokenizing the label suggests three words: 51, c, to. The median word length lands at two characters. No strong language cues emerged from the frequency lists.

Screenshot

Security scan screenshot of https://edu.51cto.com

Page Load Overview

1.48s
Total Load Time
198 KB
Total Size

Language Analysis

Primary Language

🇨🇳Chinese
Code: zh
Confidence:60%
Script:Han
Direction:ltr

Detection Details

HTML Lang Attribute:zh-CN
Text Length:18,134 chars
Detector Agreement:60%

Website Classification

Primary Category

technology software95% confidence
Type: dynamic
Method: ml+structural

All Detected Categories

technology software
95%
cryptocurrency blockchain
39%
education learning
35%
documentation technical
33%

Detected Features

Search

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
198222.94.225.32China
AS134756CHINANET Nanjing Jishan IDC network
1981--

Detected Technologies2

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T13744107AC1C6643B0223E4C9856DA36AF1834279CD229C09F6ED4E8D9FC7E93506359F

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

6144:ZrjfNcN1bcs2kZUfldfaGj7cFXHBtRwu9I688sOSlYESnl8NdXQv:RSvv

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:264762:gwooXEyUKQKIoASVFigcYkQmgVFouLsNABQKBRgRQBgFAYACFxZE2eNEhSguEAPAIGwhJCkgARYVUJiaKFtWCeENIilQUMCI

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:ffc3c3e387e783c7
Perceptual Hash:a6c99a929bcdcc32
Difference Hash:290f87970d0d0f0f
Wavelet Hash:bf83c1c387c78383
Color Hash:#3a7847

Other Hashes

Scan History

Scan history not available

Unable to load historical scan data