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njb.nl

Checked 2026-10-22 14:42 UTC · first added 2026-10-21

!Check could not complete

Domain & DNS

error

29 passed 0 warn 0 failed 1 errors

lookups failed for rdap; results are incomplete

Areas

iRegistration ✓Delegation ✓Nameservers ✓SOA iDNSSEC iRecords

Recent checks

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Domain & DNS report for njb.nl ›

Mail

warn

27 passed 3 warn 0 failed

Areas

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

Problems

!

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: email.domeinbalie.nl, fallback.domeinbalie.nl

#11
!

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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