SurfaceMap › t › toool.nl

toool.nl

Checked 2026-10-22 16:32 UTC · first added 2026-10-21

!Check could not complete

Domain & DNS

error

28 passed 2 warn 0 failed 1 errors

lookups failed for rdap; results are incomplete

Areas

iRegistration iDelegation ✓Nameservers ✓SOA !DNSSEC ✓Records

Problems

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Signatures expire soon

DNSSEC · The earliest signature expires at 2026-10-29 00:00 UTC (in 151h0m0s). Check that automatic re-signing works.

#30
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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

!

Full report

Domain & DNS report for toool.nl ›

Mail

fail

9 passed 4 warn 2 failed

Areas

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

Problems

✗

No DMARC record

DMARC · No DMARC record was found for this domain. DMARC is essential for preventing email spoofing. Add a DMARC record with p=reject or at least p=quarantine.

#5
✗

No SPF record

SPF · No SPF record was found for this domain. SPF is important for preventing email spoofing. Add an SPF record to specify which servers are authorized to send email for your domain.

#6
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No key under common selectors

DKIM · The _domainkey name exists but no DKIM key was found under the common selectors. Selectors are provider-specific; check yours with -selector.

#7
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Hosts without IPv6

MX · The following MX hosts could not be resolved to IPv6 addresses: server.toool.nl

#11
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Single MX host, no backup

MX · Only one MX record found. For better email reliability, consider adding at least one backup MX server.

#12
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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 toool.nl ›