netcheck

Generate security analyst briefings from passive OSINT on IP addresses and domains.

6|Updated Jul 22, 2026
One-click install
npx skills add https://github.com/Snausage0x45/ClaudeSkills --skill netcheck
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: netcheck
Source: https://github.com/Snausage0x45/ClaudeSkills/tree/main/netcheck
Command: npx skills add https://github.com/Snausage0x45/ClaudeSkills --skill netcheck

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This skill eliminates the manual, time-consuming process of gathering threat intelligence by automating the collection and synthesis of security data for IP addresses and domains.

Core Features & Use Cases

  • Automated OSINT: Aggregates ownership, DNS, hosting, and reputation data into a single, actionable report.
  • Risk Assessment: Provides a clear risk verdict (Low, Medium, High) based on infrastructure tradecraft and provenance.
  • Use Case: When investigating a suspicious link or IP, use this skill to instantly determine if the infrastructure is a legitimate service or a disposable staging ground for an attack.

Quick Start

Run the netcheck skill on the domain example.com to generate a full security investigation report.

Frequently Asked Questions about netcheck

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I perform an OSINT investigation on a suspicious IP address?

To perform an OSINT investigation on a suspicious IP address, this Skill aggregates ownership provenance, hosting infrastructure, and reputation data to generate an evidence-based security analyst briefing.

Can I assess domain threat intelligence without active network scanning?

Yes, you can assess domain threat intelligence without active scanning by using passive open-source intelligence methods to evaluate infrastructure tradecraft and determine risk levels.

What is the best way to triage network indicators for cybersecurity threats?

The best way to triage network indicators for cybersecurity threats is to automate the collection of DNS and hosting data, generating a rapid security briefing with a clear risk verdict.

Does this threat intelligence approach require manual data correlation?

No, this threat intelligence approach eliminates manual data correlation by automatically synthesizing ownership, DNS, and reputation data into a single actionable report.

What limitations exist when analyzing disposable hosting infrastructure?

A key limitation when analyzing disposable hosting infrastructure is that only passive OSINT data is evaluated, meaning no active scanning or exploitation is performed to discover vulnerabilities.

How does netcheck determine if a domain is a disposable staging ground?

Netcheck determines if a domain is a disposable staging ground by evaluating its ownership provenance, hosting infrastructure, and reputation data to assign a Low, Medium, or High risk verdict.