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immobilienscout24.de

Checked 2026-10-21 22:52 UTC · first added 2026-10-21
✗Problems found Score 69 of 100

Domain & DNS

warn

23 passed 2 warn 0 failed

Areas

iRegistration iDelegation ✓Nameservers ✓SOA !DNSSEC !Records

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
  • !
    Very low TTLs
    Records · These records have a TTL below 5m, causing extra queries and slower lookups: A (1m). Low TTLs are useful just before a planned change. The NS TTL at the parent is 1d and in the zone 2d; resolvers may use either.
    #32

Recent checks

!

Full report

Domain & DNS report for immobilienscout24.de ›

Mail

fail

27 passed 5 warn 1 failed

Areas

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

Problems

  • ✗
    Invalid MTA-STS record
    TLS · Senders ignore the MTA-STS record because of: id "2026-03-09T14:00:24Z" must be 1 to 32 letters or digits.
    #32
  • !
    Not enabled
    DNSSEC · DNSSEC is not enabled for this domain. Consider enabling DNSSEC to protect against DNS spoofing attacks.
    #8
  • !
    Single MX host, no backup
    MX · Only one MX record found. For better email reliability, consider adding at least one backup MX server.
    #12
  • !
    1024-bit DKIM key
    DKIM · 1024-bit RSA keys are the minimum and are considered weak today: k1 (1024 bits), selector2 (1024 bits). Rotate to a 2048-bit key.
    #23
  • !
    Report address not authorized
    DMARC · These report addresses are in another domain that has not agreed to receive your reports, so receivers will not send them: mailto:dmarc-aggregation@scout24.com (needs immobilienscout24.de._report._dmarc.scout24.com); mailto:dmarc-forensic@scout24.com (needs immobilienscout24.de._report._dmarc.scout24.com). Ask the report provider to publish the record, or check the address.
    #29
  • !
    Policy disabled (mode: none)
    TLS · The MTA-STS policy is switched off with mode: none.
    #33

Recent checks

✗

Full report

Mail report for immobilienscout24.de ›