One surface, shown from several angles.

Subscope is a focused recon tool: find the hostnames public records already expose, give them context, and move the result into the next step of your workflow.

Also in the explorer

Smaller pieces that make the list usable after the scan finishes.

Regex and text searchFilter the list without another request.
Noise controlsHide common labels and bring them back when needed.
PaginationAdjustable page size over the full result set.
Two-tier cacheA browser cache plus a 24-hour server result cache.
Shareable stateDomain, sort, filter, tab and depth live in the URL.
Honest statusUpstream limits, timeouts and source errors are explicit.

Planned features

Each of these gets a full page when it ships. No dates, no invented coverage.

Roadmap detail

DNS records and IPs

A, AAAA, CNAME, MX and NS context beside each host.

Next

HTTP status and technology

Reachability, redirects and a server stack guess.

Next

Takeover signals

Flag dangling CNAMEs and unclaimed service pages.

Exploring

Scheduled monitoring

Re-run a saved surface and diff newly seen hosts.

Exploring

Custom wordlists

Add dictionary discovery without pretending it is passive.

Exploring

API access

Run a scan and read the same records from a script.

Backlog

Ready to see a surface?

Twenty unique sites are free per IP per day. Repeating a site does not count again.

Certificate transparency · Cert Spotter · Wayback