Find suspicious changes to DNS records using our domain history and see how incidents correlate. Use our historical DNS lookup, perform a DNS search and check the IP history for forensic analysis.
Access to 1 billion+ passive DNS datasets
Elsewhere, other archives use passive DNS to watch real queries coming through your ISP. DNS Trails forces DNS record lookup everyday, synthetically checking everything everyday.
11 years of DNS history & a powerful API
Fully-indexed historic and current DNS record history, WHOIS data and WHOIS changes, daily-updated domain database, and passive DNS datasets easily integrated with our API.