Find every subdomain.
In seconds.
The fastest way to discover subdomains, reverse IP lookups, and domain intelligence. Used by security researchers worldwide.
Built for security professionals
Subdomain Discovery
Find hidden subdomains other scanners miss. Results in seconds, not minutes.
Blazing Fast
Most scans complete in under a second. Known domains resolve instantly from our index.
Reverse IP Lookup
See every domain on any IP. Discover shared hosting neighbors, virtual hosts, and infrastructure.
REST API
Automate scans with simple GET requests. JSON responses, rate limit headers, free tier included.
30K+ Results Per IP
No artificial limits. Get every result for IPs with thousands of hosted domains.
Export & Share
Download JSON or CSV. Share results via 1-hour links. Integrate into your workflow.
How it works
Enter a domain
Type any domain name or IP address into the scanner.
We scan instantly
Our engine searches billions of indexed records in real time.
Get full results
View, filter, export, or share results via a temporary link.
Simple pricing
Free forever. Upgrade when you need more.
Free
100 req/day
Basic
10,000 req/day
Pro
50,000 req/day
Unlimited
Unlimited req/day