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verbeterjehuis.nl

Checked 2026-10-22 17:01 UTC · first added 2026-10-21
!Check could not complete

Domain & DNS

error

25 passed 1 warn 0 failed 1 errors

lookups failed for rdap; results are incomplete

Areas

iRegistration iDelegation iNameservers ✓SOA ✓DNSSEC !Records

Problems

  • !
    Very low TTLs
    Records · These records have a TTL below 5m, causing extra queries and slower lookups: A (1m), AAAA (1m). Low TTLs are useful just before a planned change.
    #32

Recent checks

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Mail

fail

23 passed 3 warn 1 failed

Areas

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

Problems

  • ✗
    Policy: none (monitoring only)
    DMARC · DMARC policy is set to 'none', which only monitors but doesn't protect against spoofing. Consider upgrading to 'quarantine' or ideally 'reject'.
    #4
  • !
    No aggregate reports (rua)
    DMARC · DMARC record has no rua tag, so you receive no aggregate reports about who sends mail as your domain. Add rua=mailto:...
    #19
  • !
    Addresses without reverse DNS
    MX · These MX addresses have no PTR record, which many receivers treat as a spam signal: 2a05:d012:412:e203:373a:f51a:4a85:1d25 (mx1.improvmx.com), 2a05:d012:412:e202:f36:2c1f:1a49:d38a (mx1.improvmx.com), 2a05:d012:412:e201:88aa:e7b9:7a43:12d7 (mx1.improvmx.com), 2a05:d012:412:e203:7e33:3d9c:28d7:ee20 (mx2.improvmx.com), 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678 (mx2.improvmx.com), 2a05:d012:412:e202:e81e:cc44:3b53:8a3d (mx2.improvmx.com). Ask your hosting provider to set one.
    #30
  • !
    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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