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gruene-jugend.de

Checked 2026-10-21 22:41 UTC · first added 2026-10-21
✗Problems found Score 65 of 100

Domain & DNS

warn

21 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.verdigado-ns.de: "PowerDNS Authoritative Server 4.9.17"; ns2.verdigado-ns.de: "PowerDNS Authoritative Server 4.9.17"; ns3.verdigado-ns.de: "PowerDNS Authoritative Server 4.9.17"; ns4.verdigado-ns.de: "PowerDNS Authoritative Server 4.9.17". 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

27 passed 3 warn 2 failed

Areas

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

Problems

  • ✗
    12 DNS lookups, over the limit of 10
    SPF · SPF record needs 12 DNS lookups (including nested includes), more than the limit of 10. Receivers will return a permerror; reduce includes or flatten the record.
    #2
  • ✗
    TLSA records not DNSSEC-validated
    TLS · These MX hosts publish TLSA records that the resolver could not validate with DNSSEC, so senders ignore them or, if validation fails, may refuse delivery: mx03.mail.verdigado.net, mx02.mail.verdigado.net, mx01.mail.verdigado.net.
    #36
  • !
    Not enabled
    DNSSEC · DNSSEC is not enabled for this domain. Consider enabling DNSSEC to protect against DNS spoofing attacks.
    #8
  • !
    No aggregate reports (rua)
    DMARC · DMARC record has no rua tag, so you receive no aggregate reports about who sends mail as your domain. Add rua=mailto:...
    #19
  • !
    1024-bit DKIM key
    DKIM · 1024-bit RSA keys are the minimum and are considered weak today: s2 (1024 bits). Rotate to a 2048-bit key.
    #23

Recent checks

✗

Full report

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