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datenschutzexperte.de

Checked 2026-10-21 22:12 UTC · first added 2026-10-21
!Passed with warnings Score 85 of 100

Domain & DNS

ok

28 passed 0 warn 0 failed

Areas

iRegistration iDelegation ✓Nameservers ✓SOA iDNSSEC iRecords

Recent checks

✓

Full report

Domain & DNS report for datenschutzexperte.de ›

Mail

warn

25 passed 5 warn 0 failed

Areas

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

Problems

  • !
    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
  • !
    Single MX host, no backup
    MX · Only one MX record found. For better email reliability, consider adding at least one backup MX server.
    #12
  • !
    Signatures expire in 4h0m0s
    DNSSEC · DNSKEY signatures expire at 2026-10-22T02:00:00Z (in 4h0m0s). Check that re-signing works.
    #21
  • !
    1024-bit DKIM key
    DKIM · 1024-bit RSA keys are the minimum and are considered weak today: selector1 (1024 bits). Rotate to a 2048-bit key.
    #23
  • !
    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

!

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