tbcc.com.cnDomain analysis & security report

• SPFMissing

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

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• 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.

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

• 22lz.com.cnReport → for 2lz.com.cn

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No changes seen since we started recording on 15 Nov 2026.