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nationaalarchief.nl

Checked 2026-10-21 21:23 UTC · first added 2026-10-21
!Passed with warnings Score 85 of 100

Domain & DNS

warn

30 passed 1 warn 0 failed

Areas

iRegistration ✓Delegation iNameservers ✓SOA ✓DNSSEC !Records

Problems

  • !
    Very low TTLs
    Records · These records have a TTL below 5m, causing extra queries and slower lookups: MX (4m). Low TTLs are useful just before a planned change.
    #32

Recent checks

!

Full report

Domain & DNS report for nationaalarchief.nl ›

Mail

warn

30 passed 4 warn 0 failed

Areas

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

Problems

  • !
    1024-bit DKIM key
    DKIM · 1024-bit RSA keys are the minimum and are considered weak today: selector1 (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
  • !
    No certificate (a=)
    BIMI · The logo is published without a Verified Mark Certificate. Gmail and Apple Mail only show BIMI logos with a VMC or CMC; Yahoo shows it without one.
    #38

Recent checks

!

Full report

Mail report for nationaalarchief.nl ›