ScanMalware.com

Security Scan Report: aletteraday.substack.com

Site favicon
Submitted: Feb 24, 2026, 3:11:56 PMCompleted: Feb 24, 2026, 3:12:23 PMpubliccompleted
Loading additional data...

Summary

This website contacted 4 IPs in 1 country across 4 domains to perform 148 HTTP transactions. The main domain is aletteraday.substack.com and was registered NaN years ago.

Submitted URL: https://aletteraday.substack.com/p/letter-319-bill-gurley-2018

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: 96%

0
Risk Score

The site appears legitimate with no security concerns.

Safety Factors
Well‑established domain (>15 years)
Top 10 k Cisco Umbrella ranking
No malicious Indicators of Compromise
Only an email‑only form (legitimate contact/newsletter)
No YARA malware or credential exfiltration detected
Domain age information unavailable

Details

Page Title

Letter #319: Bill Gurley (2018) - by Kevin Gee

Scan Type

public

Language

🇺🇸

English

(80% confidence)

Category

news/blog

(70%)

Domain Information

Within the commercial generic top-level domain (.com), 'aletteraday.substack.com' is registered, featuring subdomain 'aletteraday'. Count 8 characters in 'substack' split between two vowels and 6 consonants. Breaking it apart gives 2 words: sub, stack. Expect 4 characters per word on average. No strong language cues emerged from the frequency lists.

Screenshot

Security scan screenshot of https://aletteraday.substack.com/p/letter-319-bill-gurley-2018

Page Load Overview

4.09s
Total Load Time
188
HTTP Requests
5
Domains
412 KB
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:58,810 chars
Detector Agreement:100%

Website Classification

Primary Category

news/blog70% confidence
Type: static
Method: structural

All Detected Categories

news/blog
70%

Detected Features

Articles
OG: article

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
47151.101.2.217United States
AS54113Fastly, Inc.
47216.58.206.67United States
AS15169Google LLC
47104.18.37.200United States
AS13335Cloudflare, Inc.
4765.8.131.35United States
AS16509Amazon.com, Inc.
1884--

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T15F0593E381E1541F964A61D451FEBB0CB18BC77B16F9C7F43C7C4960039AC67682BAA2

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

1536:DCFmC2gC2iqabBvCXSbq2ouaFWGhHp5MSx5h2tafVtRlpuhiqmJ8cOsghdAWtwDP:DCD5i3aD1v1zG2Wn+LmB50tF1D1R

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:802319:BJIkgzISIAxIglICImEuwmEJDiAAgpWWKIKmQRoYSFEqLJARSygEIJQJIgImDQMEOikAiKDEAAAkSQRtttIY0gckBEYAnVTb

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:feffefc7c7c7c7ef
Perceptual Hash:b3cccc72cc32cad8
Difference Hash:0c1c1e0e0e4d8d1e
Wavelet Hash:c4c7c3c3c3c3c3c3
Color Hash:#bf408a

Other Hashes

Crop Resistant:0c1c1e0e0e4d8d1e,6363626313212153

Scan History

Scan history not available

Unable to load historical scan data