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klarna.de

Checked 2026-10-21 23:10 UTC · first added 2026-10-21
!Passed with warnings Score 82 of 100

Domain & DNS

warn

25 passed 2 warn 0 failed

Areas

iRegistration ✓Delegation !Nameservers ✓SOA !DNSSEC ✓Records

Problems

  • !
    Software version disclosed
    Nameservers · These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: a1-74.akam.net: "41824.9"; a1-74.akam.net: "41824.8"; a12-65.akam.net: "48878.31"; a12-65.akam.net: "48878.29"; a20-66.akam.net: "48878.27"; a20-66.akam.net: "48878.29"; a5-64.akam.net: "41824.6"; a5-64.akam.net: "41824.7". 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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Full report

Domain & DNS report for klarna.de ›

Mail

warn

27 passed 4 warn 0 failed

Areas

✓SPF ✓DMARC !DKIM !DNSSEC !MX !TLS ✓BIMI

Problems

  • !
    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: mxz1.klarna.com, mxz2.klarna.com, mxz3.klarna.com, mxz4.klarna.com
    #11
  • !
    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
  • !
    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

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Full report

Mail report for klarna.de ›