SurfaceMap › v › vluchtelingenwerk.nl

vluchtelingenwerk.nl

Checked 2026-10-21 21:26 UTC · first added 2026-10-21

!Check could not complete

Domain & DNS

error

27 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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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
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Very low TTLs

Records · These records have a TTL below 5m, causing extra queries and slower lookups: A (1m), AAAA (1m). Low TTLs are useful just before a planned change. The NS TTL at the parent is 1h and in the zone 1d; resolvers may use either.

#32

Recent checks

!

Full report

Domain & DNS report for vluchtelingenwerk.nl ›

Mail

fail

28 passed 4 warn 1 failed

Areas

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

Problems

✗

Policy not reachable

TLS · The MTA-STS record exists but the policy could not be fetched, so senders ignore MTA-STS: Get "https://mta-sts.vluchtelingenwerk.nl/.well-known/mta-sts.txt": dial tcp: lookup mta-sts.vluchtelingenwerk.nl on 127.0.0.53:53: no such host.

#33
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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: securemail01.csngroep.nl, securemail02.csngroep.nl

#11
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1024-bit DKIM key

DKIM · 1024-bit RSA keys are the minimum and are considered weak today: k1 (1024 bits), selector1 (1024 bits). Rotate to a 2048-bit key.

#23
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Reverse DNS does not match

MX · The PTR name of these addresses does not resolve back to the same address: 185.157.145.231 -> securemail.csngroep.nl.

#30

Recent checks

✗

Full report

Mail report for vluchtelingenwerk.nl ›