Security Scan Report: www.khanacademy.org

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Submitted: Oct 8, 2025, 3:01:49 PMCompleted: Oct 8, 2025, 3:03:39 PMpubliccompleted
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Summary

This website contacted 38 IPs in 2 countries across 9 domains to perform 225 HTTP transactions. The main domain is khanacademy.org and was registered NaN years ago.

Submitted URL: https://www.khanacademy.org/math/probability/xa88397b6:probability/counting-permutations/v/zero-factorial-or-0

The Cisco Umbrella rank of the primary domain is #17,070 of the top 1 million websites

AI Security Verdict

Safe Website

Confidence: 98%

0
Risk Score

The site shows no security concerns and is legitimate.

Safety Factors
Established educational institution
Standard hosting without suspicious redirects
Legitimate brand presence with matching final URL
Domain age information unavailable

Details

Page Title

Zero factorial or 0! (video) | Permutations | Khan Academy

Scan Type

public

Language

🇺🇸

English

(80% confidence)

Category

education learning

(45%)

Domain Information

Domain 'www.khanacademy.org' uses the non-profit oriented generic top-level domain (.org) and includes subdomain 'www'. Count 11 characters in 'khanacademy' containing four vowels alongside 7 consonants. Segmentation suggests two words: khan, academy. Expect 5.5 characters per word on average. The linguistic tilt is Chinese (Pinyin) for 'khan'. Usage also turns up in English and Indonesian contexts.

Screenshot

Security scan screenshot of https://www.khanacademy.org/math/probability/xa88397b6:probability/counting-permutations/v/zero-factorial-or-0

Page Load Overview

62.70s
Total Load Time
225
HTTP Requests
9
Domains
7.3 MB
Total Size

Language Analysis

Primary Language

🇺🇸English
Code: en
Confidence:80%
Script:Latin
Direction:ltr

Detection Details

Language Code:en
Detection Confidence:80%
Script Type:Latin
HTML Lang Attribute:en
Text Length:17,975 chars
Detector Agreement:100%

Website Classification

Primary Category

education learning45% confidence
Type: webapp
Method: ml+structural

All Detected Categories

education learning
45%

Detected Features

Search
OG: non_profit

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
4017.33.192.145United States
AS714APPLE-ENGINEERING
5216.58.206.46United States
AS15169GOOGLE
5146.75.121.42Frankfurt am Main, Hesse, Germany
AS54113FASTLY
5142.250.185.174United States
AS15169GOOGLE
517.253.142.4United States
AS714APPLE-ENGINEERING
5172.64.155.119United States
AS13335CLOUDFLARENET
5142.250.184.206United States
AS15169GOOGLE
5142.250.186.168United States
AS15169GOOGLE
5104.18.86.42United States
AS13335CLOUDFLARENET
5104.18.87.42United States
AS13335CLOUDFLARENET
22538--

Detected Technologies1

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T1F7E32F7190152237032399CB7CA6AB2E71F3D23DEE67104897FC47E81BEBC61791A51A

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

1536:pBP+epmTo72jxEE/BY46eObiPejZmyPXxUtabeJJVGSfGAejqesye/f/dTrteer7:pBPffbcfrD9NrNogup0

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:155619:CQxRnQBDJQ5Q5giCAgPII8XUZU4JYIC6DCJSTAFJBWckMhUINgACwH6AQwCgJUQRJgwE9A82yBMYIBoCxkocgExRJAMCkEeg

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:02ffffc0c0c0c0c0
Perceptual Hash:f8878778172ad507
Difference Hash:448d869501110101
Wavelet Hash:a7ffffc0c0c0c0c1
Color Hash:#2d8386

Other Hashes

Scan History

Scan history not available

Unable to load historical scan data