Security Report: subdomainfinder.c99.nl - Analysis

Summary

API

This view is built from:

Scan result: counts, verdicts, details, IPs, technologies, hashes/api/v1/result/d751b7ba-e721-491b-9c70-a14d4d1b864e Domain and IP registration (RDAP)/api/v1/rdap/d751b7ba-e721-491b-9c70-a14d4d1b864eHow often this domain was scanned/api/v1/domain/stats/subdomainfinder.c99.nl Scan history for this domain/api/v1/domain/history/subdomainfinder.c99.nl?limit=15

This website contacted 29 IPs in 3 countries across 19 domains to perform 45 HTTP transactions. The main domain is c99.nl and was registered 12 years ago.

Submitted URL: https://subdomainfinder.c99.nl

The Cisco Umbrella rank of the primary domain is #305,337 of the top 1 million websites

AI Security Verdict

Safe Website

Confidence: 85%

Risk Score

Established c99.nl subdomain-enumeration tool with its own branding and no credential or payment capture. The Facebook brand flag is a false positive from article mentions; no malicious indicators found.

Safety Factors (5)

Established 12-year-old domain with a real user base and Cisco Umbrella ranking

Self-branding consistent with the hostname; no impersonation of another entity

No credential-harvesting or payment-capture forms on the page

Clean threat intelligence, YARA, kit-roster and IDS results

Openly documented tool with explanatory content and a transparent donation link

Domain age information unavailable

Details

Page Title

Subdomain Finder - C99.nl

Scan Type

public

Favicon Hash

MMH3: -2072812566

MD5: 2548741452ab14642eda2cf80368255c

Domain Name Analysis

The domain 'subdomainfinder.c99.nl' uses the Dutch country-code top-level domain (.nl) with subdomain 'subdomainfinder'. The second-level label 'c99' is 3 characters long split between 0 vowels and 1 consonant; bonus characters include two digits. Splitting it apart reveals two words: c, 99. Expect 1.5 characters per word on average. No strong language cues emerged from the frequency lists.

Screenshot

Page Load Overview

1.27s

Total Load Time

677 KB

Total Size

Language Analysis

Primary Language

🇺🇸English

Code: en

Confidence:55%

Script:Latin

Direction:ltr

Detection Details

Text Length:3,483 chars

Detector Agreement:100%

Website Classification

Primary Category

technology software44% confidence

Type: spa

Method: ml+structural

All Detected Categories

technology software

44%

documentation technical

37%

cryptocurrency

30%

phishing scam

28%

government public service

27%

Detected Features

Domain & IP Information

Requests	IP Address	Location	AS Autonomous System
17	104.21.88.144Cloudflare · WAF	United States	AS13335Cloudflare, Inc.
1	172.67.183.121Cloudflare · WAF	United States	AS13335Cloudflare, Inc.
1	192.178.183.95Google · CDN	United States	AS15169Google LLC
1	104.17.25.14Cloudflare · WAF	United States	AS13335Cloudflare, Inc.
1	104.21.27.152Cloudflare · WAF	United States	AS13335Cloudflare, Inc.
1	99.84.149.112Cloudfront · CDN	United States	AS16509Amazon.com, Inc.
1	104.18.0.22Cloudflare · WAF	United States	AS13335Cloudflare, Inc.
1	142.251.14.97Google · CDN	United States	AS15169Google LLC
1	188.114.97.9Cloudflare · WAF	United States	AS13335Cloudflare, Inc.
1	185.15.59.240	United States	AS14907Wikimedia Foundation Inc.
45	29	-	-