Security Scan Report: sherlearns.substack.com

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Submitted: Dec 26, 2025, 9:47:12 AMCompleted: Dec 26, 2025, 9:47:37 AMpubliccompleted
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Summary

This website contacted 4 IPs in 1 country across 4 domains to perform 142 HTTP transactions. The main domain is sherlearns.substack.com and was registered NaN years ago.

Submitted URL: https://sherlearns.substack.com/p/what-is-the-nbl

The Cisco Umbrella rank of the primary domain is #9,753 of the top 1 million websitesTop 10K Site

AI Security Verdict

Safe Website

Confidence: 95%

0
Risk Score

The page appears legitimate with no security concerns.

Safety Factors
Established Substack platform
No suspicious forms or data collection
Long‑standing domain reputation
Domain age information unavailable

Details

Page Title

What is the NBL? - by Sherlearns - Intellectual Tourism

Scan Type

public

Language

🇺🇸

English

(80% confidence)

Category

news/blog

(90%)

Domain Information

The domain name 'sherlearns.substack.com' uses the commercial generic top-level domain (.com) with subdomain 'sherlearns'. The core label 'substack' covers 8 characters with two vowels and 6 consonants. Breaking it apart gives 2 words: sub, stack. Median word length is 4 characters. No strong language cues emerged from the frequency lists.

Screenshot

Security scan screenshot of https://sherlearns.substack.com/p/what-is-the-nbl

Page Load Overview

7.75s
Total Load Time
195
HTTP Requests
5
Domains
3.2 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:5,979 chars
Detector Agreement:100%

Website Classification

Primary Category

news/blog90% confidence
Type: spa
Method: structural

All Detected Categories

news/blog
90%
corporate
70%

Detected Features

Articles
OG: article
Schema.org

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
5154.192.35.66United States
AS16509AMAZON-02
48142.250.185.195United States
AS15169GOOGLE
48172.64.150.56United States
AS13335CLOUDFLARENET
48151.101.2.217United States
1954--

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T1D5E3E9928D21D40F82418CADAABFBF1D60CFD01B56B1DC64B9EC897423C1D772B67A51

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

3072:DinCWNkgKR4RdlHhxI881GJo/RM0GkgK7dRdlxHTR:DinCWNkgKR4RdlHhSf1P/RM0GkgK7dRf

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:147370:AIXhRl4QkLMD2bqjigwgmI2K5DCQ2KEgAZ0EAI7AcxoUIgkSIGgwPPQQpFIxImMCAVIgQKQAcgACAwS4IAHnDrp3DwUJSDQK

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:c4cfffc7c3c3c3e7
Perceptual Hash:b0dad2725676c646
Difference Hash:0c181a1e0e1e1c0a
Wavelet Hash:c4c7cfc3c3c3c381
Color Hash:#ac537e

Other Hashes

Crop Resistant:0c181a1e0e1e1c0a

Scan History

Scan history not available

Unable to load historical scan data