Validin

Validin is a cybersecurity intelligence platform that provides DNS-based internet intelligence for security teams. The platform collects and aggregates DNS history, subdomain data, host responses, registration records, certificate information, and IP reputation data into a unified interface. Core capabilities include: - Passive DNS history and context-rich DNS record lookups - Subdomain enumeration and host response data - Domain and IP reputation aggregated from hundreds of public blocklists and popularity datasets - Infrastructure tracking to identify and monitor threat actor activity - Certificate and registration data correlated with DNS records Validin is designed to support threat intelligence analysts, threat hunters, and security operations teams in uncovering hidden or malicious infrastructure, pivoting across related indicators, and conducting investigations into phishing campaigns and other threat actor activity. The platform is positioned as a replacement or alternative to tools such as RiskIQ (now Microsoft Defender Threat Intelligence). Validin offers a Community Edition (free tier) as well as enterprise features that include API access and integrations with internal security tooling. The company also publishes threat research through its blog, covering topics such as phishing infrastructure campaigns and DNS-based threat tracking. Customers include security research teams, financial services firms, government entities, and managed security service providers.