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haefele.de

Checked 2026-10-21 22:41 UTC · first added 2026-10-21
✗Problems found Score 72 of 100

Domain & DNS

warn

22 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: ns3.lemarit.net: "NSD 4.15.2". 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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Mail

fail

21 passed 4 warn 1 failed

Areas

iSPF ✗DMARC !DKIM !DNSSEC !MX !TLS iBIMI

Problems

  • ✗
    Policy: none (monitoring only)
    DMARC · DMARC policy is set to 'none', which only monitors but doesn't protect against spoofing. Consider upgrading to 'quarantine' or ideally 'reject'.
    #4
  • !
    No key under common selectors
    DKIM · The _domainkey name exists but no DKIM key was found under the common selectors. Selectors are provider-specific; check yours with -selector.
    #7
  • !
    Not enabled
    DNSSEC · DNSSEC is not enabled for this domain. Consider enabling DNSSEC to protect against DNS spoofing attacks.
    #8
  • !
    Addresses without reverse DNS
    MX · These MX addresses have no PTR record, which many receivers treat as a spam signal: 2a01:6780:5:2::100 (ipv6mx01a.antispameurope.com), 2a01:6780:5:2::100 (ipv6mx01b.antispameurope.com), 2a01:6780:5:2::100 (ipv6mx01d.antispameurope.com), 2a01:6780:5:2::100 (ipv6mx01c.antispameurope.com). Ask your hosting provider to set one.
    #30
  • !
    Policy disabled (mode: none)
    TLS · The MTA-STS policy is switched off with mode: none.
    #33

Recent checks

✗

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