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sdu.nl

Checked 2026-10-21 21:25 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 ✓Nameservers ✓SOA !DNSSEC ✓Records

Problems

!

Not signed

DNSSEC · The zone is not signed with DNSSEC, so answers can be spoofed. Enable DNSSEC at your DNS provider and publish the DS record at your registrar.

#27

Recent checks

!

Full report

Domain & DNS report for sdu.nl ›

Mail

warn

26 passed 3 warn 0 failed

Areas

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

Problems

!

Not enabled

DNSSEC · DNSSEC is not enabled for this domain. Consider enabling DNSSEC to protect against DNS spoofing attacks.

#8
!

Hosts without IPv6

MX · The following MX hosts could not be resolved to IPv6 addresses: mxa-001cc301.gslb.pphosted.com, mxb-001cc301.gslb.pphosted.com

#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

!

Full report

Mail report for sdu.nl ›