domain-security

Open-source OSINT agent: 21 public-source tools behind natural-language chat, an MCP server and a Claude Code plugin. Passive by default, no keys to start.

Generate and test domain typos and variations to detect and perform typo squatting, URL hijacking, phishing, and corporate espionage.

Passive attack-surface scanner: turn a domain into a risk grade, copy-paste fixes, and a client-ready report. Safe DNS, HTTP, TLS, email, and certificate-transparency checks.

NetSentry is a web application that performs comprehensive security analysis on any domain.

Find what attackers can see before they do — open-source exposure scanner for GitHub orgs, repos, and domains

High-performance Rust port of the dnstwist permutation engine.

Attack surface monitoring MVP for domains, SSL, ports, exposed admin paths, headers, and subdomain risks.

Domain security & phishing-link MCP server — 30 tools for AI agents, also a command line (npx dechonet-mcp ssl example.com). Zero-install remote: https://dechonet.com/mcp · Web tools: https://dechonet.com

Audit 10,000+ domains for SPF records, DMARC enforcement policy (none/quarantine/reject), MX email security gateways (Google, M365, Proofpoint, Mimecast), and spoofing risks.

Multi Party Domain Cryptosystem: a post-quantum distributed trust framework for cooperative key establishment, topology governance, and sovereign domain security.

A modular Python-based phishing detection toolkit for analyzing URLs, websites, emails, domains, and files using rule-based security analysis.

Automated DNS, SPF, DMARC, DKIM, and SSL security posture auditor. Detect email spoofing risks & open relays. MCP Server & Python SDK.

Python DMARC report analyzer for site owners and developers: reads aggregate (RUA) reports offline and says who sends mail as your domain and whether it is safe to move to p=reject. Zero runtime dependencies. Install: pipx install mailvigil.

Python toolkit for brand protection: bulk domain lookups, reachability checks, visual screenshot reports, and domain reputation monitoring

Domain Anti-Redirection & Security Resources — Google Safe Browsing, QQ/WeChat unblock, anti-fraud shielding guides and tools.

Domain Catcher monitors Certificate Transparency logs for hostnames containing watched keywords. It detects direct and Unicode homoglyph matches, enriches captures with native WHOIS and IPinfo data, takes website screenshots, and stores everything locally.

Verteiltes Python-System zur Analyse verdächtiger Domains anhand lexikalischer, Unicode-basierter, visueller und reputationsbasierter Merkmale.

Security notice template for expired domains acquired by third parties