SurfaceMap › r › regiobank.nl

regiobank.nl

Checked 2026-10-22 15:40 UTC · first added 2026-10-21
!Check could not complete

Domain & DNS

error

27 passed 2 warn 0 failed 1 errors

lookups failed for rdap; results are incomplete

Areas

iRegistration iDelegation !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: a1-110.akam.net: "41824.9"; a1-110.akam.net: "41824.6"; a14-66.akam.net: "48878.32"; a14-66.akam.net: "48878.27"; a2-66.akam.net: "48878.33"; a2-66.akam.net: "48878.32"; a26-67.akam.net: "48878.32"; a7-66.akam.net: "41824.9"; a7-66.akam.net: "41824.6"; a9-67.akam.net: "41824.8"; a9-67.akam.net: "41824.5". Hide or replace the version string.
    #17
  • !
    Very low TTLs
    Records · These records have a TTL below 5m, causing extra queries and slower lookups: A (20s). Low TTLs are useful just before a planned change.
    #32

Recent checks

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Full report

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Mail

warn

27 passed 5 warn 0 failed

Areas

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

Problems

  • !
    Single MX host, no backup
    MX · Only one MX record found. For better email reliability, consider adding at least one backup MX server.
    #12
  • !
    Signatures expire in 66h0m0s
    DNSSEC · DNSKEY signatures expire at 2026-10-25T09:13:09Z (in 66h0m0s). Check that re-signing works.
    #21
  • !
    1024-bit DKIM key
    DKIM · 1024-bit RSA keys are the minimum and are considered weak today: default (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
  • !
    Not configured
    TLS · MTA-STS or DANE is used without TLS-RPT, so you get no reports when senders fail to deliver because of TLS problems. Publish _smtp._tls TXT "v=TLSRPTv1; rua=mailto:...".
    #35

Recent checks

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Full report

Mail report for regiobank.nl ›