SurfaceMap › u › unibestzs.com

unibestzs.com

Checked 2026-10-22 11:15 UTC · first added 2026-10-21
✗Problems found Score 66 of 100

Domain & DNS

warn

24 passed 2 warn 0 failed

Areas

iRegistration iDelegation !Nameservers ✓SOA !DNSSEC iRecords

Problems

  • !
    Software version disclosed
    Nameservers · These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: ns1.cnolnic.com: "ChinaSource 4.0.0"; ns2.cnolnic.com: "ChinaSource 4.0.0". Hide or replace the version string.
    #17
  • !
    Not signed
    DNSSEC · The zone is not signed with DNSSEC, so answers can be spoofed. Enable DNSSEC at your DNS provider and publish the DS record at your registrar.
    #27

Recent checks

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Full report

Domain & DNS report for unibestzs.com ›

Mail

fail

20 passed 6 warn 1 failed

Areas

✓SPF !DMARC ✗DKIM !DNSSEC !MX !TLS iBIMI

Problems

  • ✗
    No DKIM keys published
    DKIM · _domainkey.unibestzs.com does not exist (NXDOMAIN), so no DKIM keys are published. DKIM helps prevent email spoofing. Configure DKIM with your email service provider.
    #7
  • !
    Policy: quarantine
    DMARC · DMARC policy is set to 'quarantine'. Consider upgrading to 'reject' for stronger protection once you've verified legitimate emails are passing authentication.
    #4
  • !
    Not enabled
    DNSSEC · DNSSEC is not enabled for this domain. Consider enabling DNSSEC to protect against DNS spoofing attacks.
    #8
  • !
    Hosts without IPv6
    MX · The following MX hosts could not be resolved to IPv6 addresses: mxa236a.chinaemail.cn, mx236a.chinaemail.cn
    #11
  • !
    Report address not authorized
    DMARC · These report addresses are in another domain that has not agreed to receive your reports, so receivers will not send them: mailto:dmarc_report@chinaemail.cn (needs unibestzs.com._report._dmarc.chinaemail.cn); mailto:dmarc@chinaemail.cn (needs unibestzs.com._report._dmarc.chinaemail.cn). Ask the report provider to publish the record, or check the address.
    #29
  • !
    Addresses without reverse DNS
    MX · These MX addresses have no PTR record, which many receivers treat as a spam signal: 43.129.30.92 (mxa236a.chinaemail.cn), 43.135.96.239 (mxa236a.chinaemail.cn), 43.128.31.66 (mxa236a.chinaemail.cn), 43.135.96.239 (mx236a.chinaemail.cn), 43.129.30.92 (mx236a.chinaemail.cn), 43.128.31.66 (mx236a.chinaemail.cn). Ask your hosting provider to set one.
    #30
  • !
    Not configured
    TLS · MTA-STS is not configured, so other mail servers fall back to unencrypted delivery when TLS fails or is stripped by an attacker. Publish a _mta-sts TXT record and a policy at https://mta-sts.<domain>/.well-known/mta-sts.txt.
    #32

Recent checks

✗

Full report

Mail report for unibestzs.com ›