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impfen.de

Checked 2026-10-21 23:00 UTC · first added 2026-10-21
✗Problems found Score 75 of 100

Domain & DNS

warn

19 passed 3 warn 0 failed

Areas

iRegistration iDelegation !Nameservers iSOA !DNSSEC !Records

Problems

  • !
    No EDNS
    Nameservers · These nameservers don't support EDNS(0), needed for DNSSEC and answers larger than 512 bytes: c1-174.akashield.net (92.123.94.174), c1-174.akashield.net (2600:14c0:6::ae), c2-174.akashield.net (92.123.95.174), c2-174.akashield.net (2600:14c0:7::ae).
    #20
  • !
    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
  • !
    Very low TTLs
    Records · These records have a TTL below 5m, causing extra queries and slower lookups: A (20s), AAAA (20s), NS (2m). Low TTLs are useful just before a planned change. The NS TTL at the parent is 1d and in the zone 2m; resolvers may use either.
    #32

Recent checks

!

Full report

Domain & DNS report for impfen.de ›

Mail

fail

15 passed 2 warn 1 failed

Areas

✓SPF ✓DMARC ✗DKIM !DNSSEC !MX iBIMI

Problems

  • ✗
    No DKIM keys published
    DKIM · _domainkey.impfen.de does not exist (NXDOMAIN), so no DKIM keys are published. DKIM helps prevent email spoofing. Configure DKIM with your email service provider.
    #7
  • !
    Not enabled
    DNSSEC · DNSSEC is not enabled for this domain. Consider enabling DNSSEC to protect against DNS spoofing attacks.
    #8
  • !
    No MX records
    MX · No MX records found. If this domain is used for email, add MX records to specify mail servers. If it never receives mail, publish a null MX ("MX 0 .").
    #9

Recent checks

✗

Full report

Mail report for impfen.de ›