SecurityTrails API vs SecurityTrails API™: Side-by-Side Comparison (2026)

SecurityTrails API: API platform providing historical DNS, WHOIS, and IP data for security research. built by Recorded Future. Core capabilities include Historical DNS lookup data (10.19 trillion records), Historical WHOIS records (4.2 billion records), Hostname and domain tracking (2.6 billion hostnames, 630 million domains)..

SecurityTrails API™: API providing historical & current DNS, WHOIS, and domain intelligence data. built by SecurityTrails. Core capabilities include DNS record history lookup (A, MX, NS, and other record types), Historical and current WHOIS data search across ~4.2 billion records, Subdomain and hostname enumeration..

Both serve the Threat Intelligence Platforms market but differ in approach, feature depth, and target audience.