Exposure score
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Based on public signals found during this lookup.
See what your business exposes publicly.
Enter a business domain to query live public DNS, email-security records, domain-registration data, and certificate transparency. No intrusive scanning is performed.
Passive public-data lookup only. This tool does not probe ports, exploit systems, or authenticate to services.
Discovered hostnames
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From public certificate-transparency data.
Mail security
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SPF, DMARC and MX visibility.
Domain age
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When public RDAP data exposes a registration date.
Priority findings
Business-friendly interpretation of the live public data.
Email & DNS posture
Records currently published for the domain.
Publicly discovered hostnames
Hostnames observed in certificate-transparency logs. These may include historical or decommissioned names.
Registration intelligence
Structured public RDAP data where available.
Found something worth investigating?
NCB Cyber can validate the findings, remove false positives, identify the responsible system or vendor, and help remediate the exposure.
Results come from public third-party data sources and can be incomplete, delayed, historical, or inaccurate. A discovered hostname does not by itself mean a system is vulnerable. This is not a penetration test, vulnerability scan, certification, legal opinion, or guarantee of security.