Security Scan Report: simg-ssl.duolingo.com

Submitted: Nov 23, 2025, 8:24:55 PMCompleted: Nov 23, 2025, 8:27:01 PMpubliccompleted
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Summary

This website contacted 4 IPs in 1 country across 1 domain to perform 2 HTTP transactions. The main domain is simg-ssl.duolingo.com and was registered NaN years ago.

Submitted URL: https://simg-ssl.duolingo.com/

The Cisco Umbrella rank of the primary domain is #3,945 of the top 1 million websitesTop 10K Site

AI Security Verdict

Safe Website

Confidence: 95%

0
Risk Score

No security concerns detected; the site appears legitimate.

Safety Factors
Well‑established domain age
High Cisco Umbrella ranking indicating reputable site
Subdomain of official duolingo.com
No suspicious content or redirects
Domain age information unavailable

Details

Bot Protection Detected

This website is protected by access_denied bot protection. Our scanner was challenged or blocked during access.

Page Title

N/A

Scan Type

public

Language

🇺🇸

English

(51% confidence)

Category

documentation technical

(31%)

Domain Information

You're looking at domain 'simg-ssl.duolingo.com' on the commercial generic top-level domain (.com); it also runs on subdomain 'simg-ssl'. Count 8 characters in 'duolingo' split between four vowels and four consonants. Splitting it apart reveals 2 words: duo, lingo. Average segment length settles at four characters. No strong language cues emerged from the frequency lists.

Screenshot

Security scan screenshot of https://simg-ssl.duolingo.com/

Page Load Overview

0.76s
Total Load Time
2
HTTP Requests
1
Domains
N/A
Total Size

Language Analysis

Primary Language

🇺🇸English
Code: en
Confidence:51%
Script:Latin
Direction:ltr

Detection Details

Language Code:en
Detection Confidence:51%
Script Type:Latin
Text Length:496 chars
Detector Agreement:100%

Website Classification

Primary Category

documentation technical31% confidence
Type: static
Method: ml+structural

All Detected Categories

documentation technical
31%

Detected Features

No structural features detected

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
218.245.46.72United States
AS16509AMAZON-02
218.245.46.37United States
AS16509AMAZON-02
018.245.46.60United States
AS16509AMAZON-02
018.245.46.63United States
AS16509AMAZON-02
24--

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T18C515565E9A319691137C8E016FF676732EEC037D49A6215FADC9398DFC9D40BC21901

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

48:QPiFWN1QGTUe0427F9IUk1ncqugukVPANyAgN+jFFNKnDertF:8iFWN15AN427zgczgumPANhgNiLN8er7

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:2858:AIAEAAAQgIAgBAAAAEAJAUAAOAEIABAIGEAgAIAAAAICMAAQAUkAAxgAECBAhADAAEQAMAIAABAACQBAIEABQQgAIAGgEgIB

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:001fffffffffffff
Perceptual Hash:991919191d1f1e7e
Difference Hash:f8d0000000000000
Wavelet Hash:007fffff00000000
Color Hash:#9ad279

Other Hashes

Crop Resistant:f8d0000000000000

Scan History

Scan history not available

Unable to load historical scan data