00166.cnDomain analysis & security report

• SPFMissing

  No SPF record: any server can send mail that claims to come from this domain.

  —
• DKIMNot found

  No key at the 12 common selectors we checked. A custom selector can’t be found from DNS alone.

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• DMARCMissing

  No DMARC policy: receivers aren’t told what to do with mail that fails SPF and DKIM.

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• MTA-STSMissing

  Forces encrypted delivery between mail servers.

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• BIMINot found

  Shows the brand logo in supporting inboxes. Optional; needs DMARC enforcement.

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Read from the domain's public DNS records.

Running a full browser scan of the homepage… This takes about a minute.

• IPv6No IPv6 address
  No
• DNSSECDNS answers aren’t signed
  No
• CAA recordAny CA may issue certificates
  No
• HSTS preloadNot on the browsers’ preload list
  No

From CubDomain's daily newly registered domains. Similar doesn't mean malicious.

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We couldn't find an IP address for 00166.cn's web or mail servers to check.

Searching the certificate transparency logs… This can take up to a minute.

No changes seen since we started recording on 14 Nov 2026.