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hs-duesseldorf.de

Checked 2026-10-21 22:51 UTC · first added 2026-10-21
!Passed with warnings Score 88 of 100

Domain & DNS

warn

21 passed 1 warn 0 failed

Areas

iRegistration iDelegation iNameservers ✓SOA !DNSSEC iRecords

Problems

  • !
    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

!

Full report

Domain & DNS report for hs-duesseldorf.de ›

Mail

warn

29 passed 3 warn 0 failed

Areas

✓SPF !DMARC ✓DKIM !DNSSEC !MX iTLS 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
  • !
    Not enabled
    DNSSEC · DNSSEC is not enabled for this domain. Consider enabling DNSSEC to protect against DNS spoofing attacks.
    #8
  • !
    Single MX host, no backup
    MX · Only one MX record found. For better email reliability, consider adding at least one backup MX server.
    #12

Recent checks

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Full report

Mail report for hs-duesseldorf.de ›