Security Scan Report: castell.nu

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Submitted: Oct 4, 2026, 7:00:33 AMCompleted: Oct 4, 2026, 7:01:12 AMpubliccompleted

AI Security Verdict

Safe Website

Confidence: 72%

1
Risk Score

Essentially a title-only placeholder page on a 31-year-old domain. No forms, no threat-intel hits, no malware signals, and only self-branding. Nothing malicious observed.

Safety Factors (4)
Well-established domain (~31 years old) with self-branding
No forms of any kind; no credential, password, or payment fields
Clean threat intelligence: no Indicators of Compromise, no malware/YARA, no IDS alerts
No cross-origin script or credential exfiltration activity
Domain age information unavailable

Details

Page Title

http://www.castell.nu

Scan Type

public

Domain Name Analysis

The domain 'castell.nu' uses the .nu country-code top-level domain while skipping any subdomain. Count 7 characters in 'castell' containing 2 vowels alongside five consonants. Breaking it apart gives one word: castell. Median word length is seven characters. No strong language cues emerged from the frequency lists.

Screenshot

Security scan screenshot of https://castell.nu

Page Load Overview

1.78s
Total Load Time
185 KB
Total Size

Language Analysis

Primary Language

🇺🇸English
Code: en
Confidence:40%
Script:Latin
Direction:ltr

Detection Details

Text Length:213 chars
Detector Agreement:50%

Website Classification

Primary Category

technology software78% confidence
Type: static
Method: ml+structural

All Detected Categories

technology software
78%
education learning
42%
documentation technical
31%

Detected Features

No structural features detected

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
2194.9.94.86Sweden
AS39570Loopia AB
1194.9.94.85Sweden
AS39570Loopia AB
1185.84.52.224Sweden
AS41174SiteVision AB
43--

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T1AF01C25F584A4D4D8011E11168F2F1841D7FBEF1720898C9B4D36C6FD5CD798945137C

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

12:hnMQEdOasxSRaJ0K2G6Qclfh8XIPKLFnhsOAuqEKBp/24Cwbi6Ko+hBYi1klWsL/:hMnscRaJ0nGsppexmOM3A6lWEd6lHOF9

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:850:AgBEAAAAAAAAAAAAAAAAAiAAgAQCAAAAAAAAIBQAACAAAAEAAAAAIACAAAAAgAAAgAAAAAAAAAQAgAAABAAAAAAAEAAAAARA

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:ffffffe7e7ffffff
Perceptual Hash:b326cc993366cc99
Difference Hash:0000000808000000
Wavelet Hash:30301008ecfcfcfc
Color Hash:#785b3a

Other Hashes

Crop Resistant:0000000808000000

Scan History

Scan history not available

Unable to load historical scan data