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Security Scan Report: allanheooo.substack.com

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Submitted: Feb 25, 2026, 6:06:49 PMCompleted: Feb 25, 2026, 6:07:13 PMpubliccompleted
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Summary

This website contacted 6 IPs in 1 country across 6 domains to perform 150 HTTP transactions. The main domain is allanheooo.substack.com and was registered NaN years ago.

Submitted URL: https://allanheooo.substack.com/p/building-the-plane-as-we-fly

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

Legitimate informational article with no security concerns.

Safety Factors
Well‑established domain
Top‑10k Cisco Umbrella ranking
Article metadata (og:type=article)
No suspicious forms or scripts
Domain age information unavailable

Details

Page Title

Building the Plane As We Fly - by Allan Heo

Scan Type

public

Language

🇺🇸

English

(80% confidence)

Category

documentation technical

(61%)

Domain Information

Within the commercial generic top-level domain (.com), 'allanheooo.substack.com' is registered; it also runs on subdomain 'allanheooo'. The registrable portion 'substack' spans 8 characters split between 2 vowels and six consonants. Splitting it apart reveals two words: sub, stack. The median word length lands at four characters. No strong language cues emerged from the frequency lists.

Screenshot

Security scan screenshot of https://allanheooo.substack.com/p/building-the-plane-as-we-fly

Page Load Overview

3.95s
Total Load Time
202
HTTP Requests
5
Domains
3.5 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:11,737 chars
Detector Agreement:100%

Website Classification

Primary Category

documentation technical61% confidence
Type: spa
Method: ml+structural

All Detected Categories

documentation technical
61%
adult content
60%
education learning
47%
news/blog
45%
technology software
42%

Detected Features

Articles
Comments
OG: article
Schema.org

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
3713.33.220.227United States
AS15169
33104.16.80.73United States
AS54113
33216.58.206.67United States
AS15169Google LLC
33151.101.194.217United States
AS54113Fastly, Inc.
33104.18.37.200United States
AS13335Cloudflare, Inc.
3354.192.35.11United States
AS16509Amazon.com, Inc.
2026--

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T18714F9628C11D41F46424CADBABEBF2D21CED02B5661DC94BCEC897413C1C776F6BAA1

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

1536:DKenmVEpk0ZwDcszKufu97u9Pu9eu92u9tu9yu9ou9su9yu9Hu91u9Ku9Pu93u9c:DKKJmosmsgRWjG+lICbYcOR

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:202873:gEiGCyqUQQGATAQINRAgNBAQKjEImKGwmAyAzsgI2p0mARwIBFoiBSLAKdplhQCJQYSAwhBBAgGRCFVUAYMSgJwCEGNmIUyg

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:e4c7ffc7c7efe7c3
Perceptual Hash:f2d876d270c650ce
Difference Hash:8c1c101e1e0c0c0e
Wavelet Hash:40c3c3c3c3c7e7c3
Color Hash:#40d22d

Other Hashes

Crop Resistant:8c1c101e1e0c0c0e

Scan History

Scan history not available

Unable to load historical scan data