of Past and Present DNS History
Search by IP, Hostname, Domain, Keyword—get A, AAAA, MX, NS records and more.
11 Years’ Worth
of Historical DNS Data and Counting
Partial access to a database of roughly 3.4 trillion historical DNS lookups as far back as mid-2008.
Puts 3.4 Trillion Records at Your Fingertips
The most current DNS and domain intel enriching your datasets, any way you like it, with our powerful API.
The Data You Want, The API You Need
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.