vluchtelingenwerk.nl

Checked 21 October 2026, 21:26 UTC · via 8.8.8.8
✗Problems found
28 passed 4 warnings 1 failed 1 info

SPF

pass

SPF record published

Found

Record
v=spf1 include:_mx.onlineworkplace.nl include:spf.recruition.nl include:spf.protection.outlook.com include:spf.coachview.net include:_spf.mailcampaigns.nl include:spf_aanvulling.vluchtelingenwerk.nl include:_spf.formulierenserver.nl ip4:185.85.17.14 ip4:91.184.8.0/24 ip4:91.184.19.0/24 ip4:87.253.232.0/21 ip4:185.189.236.0/22 ip4:185.211.120.0/22 ip4:185.250.236.0/22 ip4:216.71.96.0/22 ip4:70.39.247.0/26 ip4:70.39.246.32/27 ip4:204.237.163.0/26 ip4:212.114.113.0/24 ip4:188.201.255.64/27 ip4:185.217.59.0/24 ip4:217.68.27.250 ip4:217.68.27.206 ip4:185.46.182.1 ip4:185.46.182.200/29 ip4:185.46.182.208/31 ip4:20.82.87.96/28 ip4:89.200.200.0/21 ip4:83.137.149.0/24 ip4:83.137.145.0/24 ip4:87.233.240.35 ~all
DNS lookups
9 of 10
Void lookups
0 of 2

Checks

  • ✓ No deprecated ptr mechanism #1
    No ptr mechanism found in SPF record.
  • ✓ 9 of 10 DNS lookups #2
    SPF record needs 9 DNS lookups (limit is 10).
  • ✓ Ends with ~all #3
    SPF record properly uses ~all to restrict unauthorized senders.
  • ✓ Record published #6
    SPF record exists for this domain.
  • ✓ Single record #16
    Exactly one SPF record is published.
  • ✓ Valid syntax #25
    All SPF mechanisms and modifiers are valid.
  • ✓ No void lookups #26
    All include/redirect targets exist.
  • ✓ No overly broad IP ranges #27
    All ip4/ip6 ranges are narrow enough.

DMARC

warn

p=quarantine (_dmarc.vluchtelingenwerk.nl)

Found

Record
v=DMARC1; p=quarantine; rua=mailto:dmarc-rua@vluchtelingenwerk.nl; ruf=mailto:dmarc-ruf@vluchtelingenwerk.nl;
Found at
_dmarc.vluchtelingenwerk.nl
TagValueMeaning
vDMARC1Version
pquarantinePolicy
ruamailto:dmarc-rua@vluchtelingenwerk.nlAggregate report addresses
rufmailto:dmarc-ruf@vluchtelingenwerk.nlFailure report addresses

Checks

  • !
    Policy: quarantine
    DMARC policy is set to 'quarantine'. Consider upgrading to 'reject' for stronger protection once you've verified legitimate emails are passing authentication.
    #4
  • ✓ Record published #5
    DMARC record exists for this domain.
  • ✓ Valid syntax #17
    DMARC record syntax is valid.
  • ✓ Applies to 100% of mail #18
    DMARC policy applies to all failing mail.
  • ✓ Aggregate reports enabled #19
    Aggregate reports are sent to: mailto:dmarc-rua@vluchtelingenwerk.nl
  • ✓ Subdomain policy: quarantine #20
    Subdomains are covered by policy 'quarantine'.
  • ✓ Report addresses in own domain #29
    All report addresses are in your own organizational domain.

DKIM

warn

Selectors: mail, k1, selector1, s1, s2

Found

Selectors
mail, k1, selector1, s1, s2
_domainkey
NOERROR
SelectorKeyFlags
mailRSA 2048 bitsh=sha256
k1RSA 1024 bits
selector1RSA 1024 bits
s1RSA 2048 bits
s2RSA 2048 bits

Checks

  • ✓ Keys found: mail, k1, selector1, s1, s2 #7
    DKIM keys found for this domain with selectors: mail, k1, selector1, s1, s2
  • !
    1024-bit DKIM key
    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
  • ✓ No problematic flags #24
    No keys in test mode, revoked, or limited to SHA-1.

DNSSEC

pass

Signed, DS published at parent

Found

DNSKEY records
Yes (2)
DS at parent
Yes
Algorithms
ECDSAP256SHA256 (13)
Key tags
40554, 45508
Signatures valid until
29 October 2026, 00:00 UTC

Checks

  • ✓ Signed, DS published at parent #8
    DNSSEC is enabled for this domain (DNSKEY and DS present), providing additional security for DNS lookups.
  • ✓ Signatures valid until 2026-10-29 #21
    DNSKEY signatures are valid until 2026-10-29T00:00:00Z.

MX

warn

2 mail servers

Found

PriorityHostRecordsReverse DNS
10securemail01.csngroep.nlA 185.157.145.230securemail.csngroep.nl ✓
20securemail02.csngroep.nlA 185.157.145.231securemail.csngroep.nl (does not resolve back)

Checks

  • ✓ 2 MX records #9
    Found 2 MX records for this domain.
  • ✓ All hosts resolve #10
    All MX records resolve to valid IP addresses.
  • !
    Hosts without IPv6
    The following MX hosts could not be resolved to IPv6 addresses: securemail01.csngroep.nl, securemail02.csngroep.nl
    #11
  • ✓ Redundant MX hosts #12
    Found 2 MX records, which provides redundancy for email delivery.
  • ✓ At most 5 MX records #13
    Found 2 MX records, which is within the recommended range (1-5).
  • ✓ No localhost targets #14
    No MX records pointing to localhost found.
  • ✓ No private IP addresses #15
    No MX records resolving to private IP addresses found.
  • ✓ No CNAME targets #22
    No MX records point to a CNAME.
  • !
    Reverse DNS does not match
    The PTR name of these addresses does not resolve back to the same address: 185.157.145.231 -> securemail.csngroep.nl.
    #30

TLS

fail

MTA-STS record without policy · TLS-RPT · DANE on 2 of 2 MX hosts

Found

MTA-STS record
v=STSv1; id=2019011801;
Policy URL
https://mta-sts.vluchtelingenwerk.nl/.well-known/mta-sts.txt
Policy error
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
TLS-RPT record
v=TLSRPTv1;rua=mailto:admin@vluchtelingenwerk.nl

DANE (TLSA records)

MX hostTLSADNSSEC
securemail01.csngroep.nl3 0 1 da030e34d38bafaf…Yes
securemail02.csngroep.nl3 0 1 da030e34d38bafaf…Yes

Checks

  • ✓ Record published #32
    MTA-STS record found with id 2019011801.
  • ✗
    Policy not reachable
    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
  • ✓ Reports enabled #35
    TLS reports are sent to: mailto:admin@vluchtelingenwerk.nl
  • ✓ DANE on all MX hosts #36
    All 2 MX hosts publish DNSSEC-validated TLSA records.

BIMI

info

No BIMI record

Checks

  • i
    Not configured
    BIMI shows your logo next to your mail in supporting mail clients. It requires DMARC enforcement.
    #38