Latest Articles
State of Email DNS 2026: Who Hosts the World's Mailboxes Across 30 Million Zones
We analyzed MX records across 30 million apex zones to map who really hosts the world's email in 2026. Google, Microsoft, the German hosters, and a 26% finding about domains without email.
State of DNS 2026: Who Runs the Nameservers Across 40 Million Zones
We analyzed nameserver records across 40 million apex zones to map who really runs the internet's DNS in 2026 — including a finding about how much of the web is actually parked.
Tracking Domain Infrastructure Over Time with DNSArchive
Explore how DNSArchive lets you analyze changes in domain infrastructure, from IP mappings to name servers, helping researchers detect patterns and uncover hidden relationships.
How DNS Changes Can Reveal Malicious Infrastructure
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.
What Is Passive DNS?
Learn how Passive DNS works, why DNS history matters, and how DNSArchive helps with domain investigations and threat analysis.
How to Look Up Historical DNS Records for Any Domain
Learn how to perform DNS history lookups, why historical DNS records matter, and how DNSArchive helps investigate past domain and IP infrastructure.