Fully know your attack surface
Data for security companies, researchers and teams who need to drill down, find suspicious changes to DNS records, and prevent future fraudulent or criminal activity.
Want more out of our API? Get full access.
Search by IP, Hostname, Domain, Keyword—get A, AAAA, MX, NS records and more.
Partial access to a database of roughly 3.4 trillion historical DNS lookups as far back as mid-2008.
The most current DNS and domain intel enriching your datasets, any way you like it, with our powerful API.
Find suspicious changes to DNS records and see how incidents correlate.
Elsewhere, other archives use passive DNS to watch real queries coming through your ISP. DNS Trails forces data lookup everyday, synthetically checking everything everyday.
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.
Passive DNS
Instant IP & Domain search
Hostname Information
Tagging
DNS Record History
Domain Historical WHOIS Data
Domain Names
Website Technologies
“ Identifying the issue ”
“ Investigating the issue with the Api ”
“ Site test issue that was identified and in the process of resolution. Our staff is working to mitigate the issue. ”