Security Scan: Nuclear Heavyweight Holtec Files for IPO

Summary

API

This view is built from:

Scan result: counts, verdicts, details, IPs, technologies, hashes/api/v1/result/f956d7ec-f9a6-4b45-9c5a-0790a29de38d Domain and IP registration (RDAP)/api/v1/rdap/f956d7ec-f9a6-4b45-9c5a-0790a29de38d Certificate Transparency/api/v1/ct/nuclearreview.substack.com How often this domain was scanned/api/v1/domain/stats/nuclearreview.substack.com Scan history for this domain/api/v1/domain/history/nuclearreview.substack.com?limit=15

This website contacted 8 IPs in 1 country across 6 domains to perform 147 HTTP transactions. The main domain is nuclearreview.substack.com and was registered 14 years ago.

Submitted URL: https://nuclearreview.substack.com/p/nuclear-heavyweight-holtec-files

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: 92%

Risk Score

The page is a legitimate news article about Holtec, with no malicious forms or IoCs.

Safety Factors

Established domain with top‑10K Cisco Umbrella ranking

Physical address visible

No malicious IDS alerts (only informational)

Hosted on reputable Substack platform

Domain age information unavailable

Details

Page Title

Nuclear Heavyweight Holtec Files for IPO

Scan Type

public

Favicon Hash

MMH3: 1879849997

MD5: e9af0cb40bf4c51910f2044492920bc8

Domain Name Analysis

Within the commercial generic top-level domain (.com), 'nuclearreview.substack.com' is registered with subdomain 'nuclearreview'. Count 8 characters in 'substack' containing two vowels alongside 6 consonants. Tokenizing the label suggests two words: sub, stack. The median word length lands at 4 characters. No strong language cues emerged from the frequency lists.

Screenshot

Page Load Overview

4.46s

Total Load Time

2.0 MB

Total Size

Language Analysis

Primary Language

🇺🇸English

Code: en

Confidence:80%

Script:Latin

Direction:ltr

Detection Details

HTML Lang Attribute:en

Text Length:9,468 chars

Detector Agreement:80%

Website Classification

Primary Category

news/blog90% confidence

Type: spa

Method: structural

All Detected Categories

news/blog

90%

corporate

70%

Detected Features

Articles

Comments

OG: article

Schema.org

Domain & IP Information

Requests	IP Address	Location	AS Autonomous System
21	151.101.130.217Fastly · CDN	United States	AS54113Fastly, Inc.
18	18.64.211.101Cloudfront · CDN	United States	AS16509Amazon.com, Inc.
18	172.64.150.56Cloudflare · WAF	United States	AS13335Cloudflare, Inc.
18	104.18.37.200Cloudflare · WAF	United States	AS13335Cloudflare, Inc.
18	18.64.211.2Cloudfront · CDN	United States	AS16509Amazon.com, Inc.
18	151.101.66.217Fastly · CDN	United States	AS54113Fastly, Inc.
18	18.64.211.30Cloudfront · CDN	United States	AS16509Amazon.com, Inc.
18	18.64.211.57Cloudfront · CDN	United States	AS16509Amazon.com, Inc.
147	8	-	-