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haller-kreisblatt.de

Checked 2026-10-21 22:41 UTC · first added 2026-10-21
✗Problems found Score 78 of 100

Domain & DNS

warn

26 passed 1 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.teuto.net: "9.18.39-0ubuntu0.22.04.7-Ubuntu"; ns2.teuto.net: "9.18.39-0ubuntu0.24.04.8-Ubuntu"; ns3.teuto.net: "9.18.39-0ubuntu0.22.04.7-Ubuntu". Hide or replace the version string.
    #17

Recent checks

!

Full report

Domain & DNS report for haller-kreisblatt.de ›

Mail

fail

22 passed 3 warn 1 failed

Areas

✓SPF ✗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
  • !
    Single MX host, no backup
    MX · Only one MX record found. For better email reliability, consider adding at least one backup MX server.
    #12
  • !
    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 haller-kreisblatt.de ›