Posture summary
Email authentication
SPF ✓ DMARC reject DKIM ✓ DNSSEC ✗TLS / certificate
TLS TLSv1.3 74d to expiryInternet exposure
2 open ports 0 KEVBreach metadata
0 public breachesDomain & hosting
65 public hostnames registered 2019 AS16509 · AMAZON-02 - Amazon.com, Inc. no blocklist hitsPublic attack surface (65 hostnames in Certificate Transparency)
Hostnames this organization published in public TLS certificates. Passive OSINT — nothing was scanned; a wildcard certificate is in use, so the real footprint may be larger.
The hostname inventory — which forgotten hosts exist and where — is part of the complete audit for this domain.
Lookalike domains (10 registered of 61 checked)
Registered permutations of this domain. Existence is a fact, not an accusation — ownership and intent are not assessed. Those able to receive mail are the ones usable for invoice fraud and phishing.
| Domain | Type | Mail-capable |
|---|---|---|
| know.is | omission | yes |
| known.app | tld | yes |
| known.co | tld | yes |
7 further registered lookalike(s), 8 of them able to receive mail. The full list, with mail capability for each, is part of the complete audit.
Recommendations
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mediumEnable DNSSEC
DNSSEC signing was not detected for this domain.
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highMonitor lookalike domains
8 registered lookalike domain(s) can receive mail, which is what makes them usable for invoice fraud and credential phishing. Monitor them and consider defensive registrations.
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mediumReview the public subdomain footprint
65 hostnames for this domain appear in public Certificate Transparency logs. Retire forgotten hosts — stale subdomains are a common entry point and a takeover risk.
Refresh this report
Re-run a live analysis or generate a full downloadable audit.
Open live reportAll information is aggregated from public sources for awareness only and does not constitute an accusation or a security assessment. No personal data or credentials are published.