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kb.nl

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

!Passed with warnings Score 88 of 100

Domain & DNS

ok

28 passed 0 warn 0 failed

Areas

iRegistration iDelegation iNameservers iSOA iDNSSEC ✓Records

Recent checks

✓

Full report

Domain & DNS report for kb.nl ›

Mail

warn

29 passed 4 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 86h0m0s

DNSSEC · DNSKEY signatures expire at 2026-10-25T11:07:19Z (in 86h0m0s). Check that re-signing works.

#21
!

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
!

Policy in testing mode

TLS · With mode: testing, senders only report TLS problems (via TLS-RPT) and still deliver without TLS. Switch to mode: enforce once reports are clean.

#33

Recent checks

!

Full report

Mail report for kb.nl ›