Enter a target
Accepted input: Domain.
native module
Quick passive look at a domain's DNS, mail setup and certificate surface. Results land in a Command One case with their source and confidence, alongside the rest of your investigation. Part of Subdomain finder · all tools.
public sources only · free registration
how it works
Accepted input: Domain.
Native modules run instantly inside Command One.
Key DNS records, MX hosts and hostnames seen in certificate data.
Link findings in CommandDeck, add notes and export a PDF or CSV case report.
related modules
Combining modules gives independent sources that confirm or rule out a lead.
Gathers emails, hostnames and subdomains for a domain from public sources.
Passive subdomain enumeration using search engines and public datasets.
Maps a domain's attack surface by discovering subdomains and related infrastructure.
Modular reconnaissance framework that gathers hosts and contacts for a domain.
Recursive attack-surface scanner that keeps expanding from each new discovery.
Searches public GitHub code for leaked secrets and references to a domain or identifier.
questions
Key DNS records, MX hosts and hostnames seen in certificate data.
Domain. Command One only runs a module against targets it accepts.
Passive data shows what is published or logged, not every host the domain runs.
Registration is free. The module uses credits from your daily allowance or purchased balance. Current costs are listed on the credits page, and you are only charged when the module can actually run.
Create a free account to run available modules. For lawful research and authorised assessments only.