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crackajack.de

Checked 2026-10-21 22:11 UTC · first added 2026-10-21
!Check could not complete

Domain & DNS

warn

18 passed 4 warn 0 failed

Areas

iRegistration !Delegation !Nameservers !SOA !DNSSEC iRecords

Problems

  • !
    No IPv6
    Delegation · None of the nameservers has an IPv6 address, so IPv6-only resolvers can't reach them.
    #13
  • !
    No EDNS
    Nameservers · These nameservers don't support EDNS(0), needed for DNSSEC and answers larger than 512 bytes: ns1.abovedomains.com (103.224.212.9), ns1.abovedomains.com (103.224.182.85), ns1.abovedomains.com (103.224.182.9), ns1.abovedomains.com (103.224.182.77), ns2.abovedomains.com (103.224.212.51), ns2.abovedomains.com (103.224.212.10), ns2.abovedomains.com (103.224.212.53), ns2.abovedomains.com (103.224.182.10).
    #20
  • !
    Serials differ
    SOA · The nameservers serve different versions of the zone: 2026102208 on ns1.abovedomains.com (103.224.212.9), ns1.abovedomains.com (103.224.182.85), ns1.abovedomains.com (103.224.182.9), ns1.abovedomains.com (103.224.182.77), ns2.abovedomains.com (103.224.212.51), ns2.abovedomains.com (103.224.182.10); 2026102209 on ns2.abovedomains.com (103.224.212.10), ns2.abovedomains.com (103.224.212.53). This is normal for a few minutes after a change; if it lasts, zone transfers to the secondaries are failing.
    #22
  • !
    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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Full report

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Mail

error

15 passed 3 warn 1 failed 4 errors

lookups failed for bimi, dmarc, mta-sts, tls-rpt; results are incomplete

Areas

✓SPF iDMARC ✗DKIM !DNSSEC !MX iTLS iBIMI

Problems

  • ✗
    No DKIM keys published
    DKIM · _domainkey.crackajack.de does not exist (SERVFAIL), 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
  • !
    Hosts without IPv6
    MX · The following MX hosts could not be resolved to IPv6 addresses: park-mx.above.com
    #11
  • !
    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 crackajack.de ›