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plan.de

Checked 2026-10-21 23:50 UTC · first added 2026-10-21
✗Problems found Score 78 of 100

Domain & DNS

warn

22 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 plan.de ›

Mail

fail

25 passed 3 warn 1 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
  • !
    Not enabled
    DNSSEC · DNSSEC is not enabled for this domain. Consider enabling DNSSEC to protect against DNS spoofing attacks.
    #8
  • !
    Hosts without IPv6
    MX · The following MX hosts could not be resolved to IPv6 addresses: eu-smtp-inbound-1.mimecast.com, eu-smtp-inbound-2.mimecast.com
    #11
  • !
    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

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