Deep dives on DNS history, passive DNS, and web intelligenceānotes from our investigations and how-to guides for practitioners.
Learn how Passive DNS works, why DNS history matters, and how DNSArchive helps with domain investigations and threat analysis.
Learn how to perform DNS history lookups, why historical DNS records matter, and how DNSArchive helps investigate past domain and IP infrastructure.
Explore how DNSArchive lets you analyze changes in domain infrastructure, from IP mappings to name servers, helping researchers detect patterns and uncover hidden relationships.
DNS records that change frequently or irregularly can indicate malicious intent. Learn how to use DNSArchive to spot threat signals early through DNS-based forensics and infrastructure monitoring.