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kansfonds.nl

Checked 2026-10-22 14:01 UTC · first added 2026-10-21

!Check could not complete

Domain & DNS

error

28 passed 1 warn 0 failed 1 errors

lookups failed for rdap; results are incomplete

Areas

iRegistration iDelegation ✓Nameservers ✓SOA !DNSSEC iRecords

Problems

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NSEC3 with extra iterations or salt

DNSSEC · NSEC3 uses 0 iterations and a 8-byte salt. RFC 9276 recommends 0 iterations and no salt: extra iterations cost resolvers CPU and add no real protection, and some validators treat high counts as insecure.

#31

Recent checks

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Mail

warn

30 passed 3 warn 0 failed

Areas

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

Problems

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Policy: quarantine

DMARC · DMARC policy is set to 'quarantine'. Consider upgrading to 'reject' for stronger protection once you've verified legitimate emails are passing authentication.

#4
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Hosts without IPv6

MX · The following MX hosts could not be resolved to IPv6 addresses: mx1-eu1.ppe-hosted.com, mx2-eu1.ppe-hosted.com

#11
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1024-bit DKIM key

DKIM · 1024-bit RSA keys are the minimum and are considered weak today: selector1 (1024 bits), key (1024 bits). Rotate to a 2048-bit key.

#23

Recent checks

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