Security Scan Report: brb.duolingo.com

Submitted: Dec 4, 2025, 10:56:23 AMCompleted: Dec 4, 2025, 10:58:23 AMpubliccompleted
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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 brb.duolingo.com and was registered NaN years ago.

Submitted URL: https://brb.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: 96%

0
Risk Score

No security concerns detected; site appears legitimate.

Safety Factors
Well-established domain (>15 years)
High Cisco Umbrella ranking (top 10k)
No malicious Indicators of Compromise detected
Domain age information unavailable

Details

Page Title

404 Not Found

Scan Type

public

Language

🇺🇸

English

(64% confidence)

Category

healthcare medical

(55%)

Domain Information

The domain 'brb.duolingo.com' uses the commercial generic top-level domain (.com); it also runs on subdomain 'brb'. Its registrable label 'duolingo' stretches across 8 characters split between four vowels and four consonants. It segments into 2 words: duo, lingo. Expect four characters per word on average. No strong language cues emerged from the frequency lists.

Screenshot

Security scan screenshot of https://brb.duolingo.com/

Page Load Overview

0.24s
Total Load Time
2
HTTP Requests
1
Domains
1 KB
Total Size

Language Analysis

Primary Language

🇺🇸English
Code: en
Confidence:64%
Script:Latin
Direction:ltr

Detection Details

Language Code:en
Detection Confidence:64%
Script Type:Latin
Text Length:235 chars
Detector Agreement:100%

Website Classification

Primary Category

healthcare medical55% confidence
Type: static
Method: ml+structural

All Detected Categories

healthcare medical
55%
news media journalism
50%
cryptocurrency blockchain
49%
finance banking
43%
adult content
43%

Detected Features

No structural features detected

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
218.245.31.49United States
AS16509AMAZON-02
218.245.31.39United States
AS16509AMAZON-02
018.245.31.17United States
AS16509AMAZON-02
018.245.31.32United States
AS16509AMAZON-02
24--

Detected Technologies3

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T185E0260D0402E388C94161A0BEE276815FCB023AE26543336016908A609B5FD9C9729E

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

6:qzxUkObRHXLxqObti1ajueVHTb1wpTQgR88T5WUFyKoEChbLpajdOg4VA6Y0KJfd:kxReRHbx5tr9HdU88dW7rhbLpaAg4ViD

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:1:0:702cb92655f48ab92d85b96a2039c83d

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:1f0f00ffffffffff
Perceptual Hash:9f0f0f86c0e06e3e
Difference Hash:60707b0040000000
Wavelet Hash:1f0f00ff00000000
Color Hash:#40bf59

Other Hashes

Crop Resistant:60707b0040000000

Scan History

Scan history not available

Unable to load historical scan data