Understand what's
behind a domain.
Ownership. DNS. Certificates. Email. Every connection, in one place.
One search.
A clearer picture.
Start with a domain or IP address.
We'll turn the public records into something useful.
Recent searches
Stored in this browserFollow the evidence.
Move from registration to DNS, from an IP to related hosts, or from mail records to a certificate. Click a hostname in discovery results to keep exploring.
Real data. Clear context.
Registration uses RDAP. Reverse discovery uses public certificate and passive DNS indexes. Coverage varies; shared infrastructure doesn't prove shared ownership.
Check the connection.
Inspect certificate trust and expiry immediately. Run a Qualys SSL Labs assessment for endpoint grades, protocol support and deeper configuration checks.
Queries are sent to the relevant public data providers: RDAP registries, Google Public DNS, crt.sh, HackerTarget and Qualys SSL Labs. TLS and HTTPS checks connect to the requested public host. Results are cached briefly; recent searches stay in your browser.