zwin.be

Checked 22 October 2026, 07:31 UTC · via 8.8.8.8
!Passed with warnings
30 passed 5 warnings 0 failed 1 info

SPF

pass

SPF record published

Found

Record
v=spf1 include:_spf.zwin_be._d.easydmarc.pro ~all
DNS lookups
2 of 10
Void lookups
0 of 2

Checks

  • ✓ No deprecated ptr mechanism #1
    No ptr mechanism found in SPF record.
  • ✓ 2 of 10 DNS lookups #2
    SPF record needs 2 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

pass

p=reject (_dmarc.zwin.be)

Found

Record
v=DMARC1;p=reject;rua=mailto:6fefa8d382@rua.easydmarc.us;ruf=mailto:6fefa8d382@ruf.easydmarc.us;fo=1;
Found at
_dmarc.zwin.be
External report address
mailto:6fefa8d382@rua.easydmarc.us (authorized)
External report address
mailto:6fefa8d382@ruf.easydmarc.us (authorized)
TagValueMeaning
vDMARC1Version
prejectPolicy
ruamailto:6fefa8d382@rua.easydmarc.usAggregate report addresses
rufmailto:6fefa8d382@ruf.easydmarc.usFailure report addresses
fo1Failure reporting options

Checks

  • ✓ Policy: reject #4
    DMARC policy is set to 'reject', which provides the strongest protection against email spoofing.
  • ✓ 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:6fefa8d382@rua.easydmarc.us
  • ✓ Subdomain policy: reject #20
    Subdomains are covered by policy 'reject'.
  • ✓ External report addresses authorized #29
    Report addresses in other domains have published their authorization.

DKIM

warn

Selectors: selector1, selector2

Found

Selectors
selector1, selector2
_domainkey
NOERROR
SelectorKeyFlags
selector1RSA 1024 bits
selector2RSA 1024 bits

Checks

  • ✓ Keys found: selector1, selector2 #7
    DKIM keys found for this domain with selectors: selector1, selector2
  • !
    1024-bit DKIM key
    1024-bit RSA keys are the minimum and are considered weak today: selector1 (1024 bits), selector2 (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
2371, 34505
Signatures valid until
12 December 2026, 13:59 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 2026-12-12 #21
    DNSKEY signatures are valid until 2026-12-12T13:59:08Z.

MX

warn

2 mail servers

Found

PriorityHostRecordsReverse DNS
10mxa-00a30001.gslb.pphosted.comA 66.159.235.189mx07-00a30001.pphosted.com ✓
10mxb-00a30001.gslb.pphosted.comA 66.159.246.60mx08-00a30001.pphosted.com ✓

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: mxa-00a30001.gslb.pphosted.com, mxb-00a30001.gslb.pphosted.com
    #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 confirmed #30
    All 2 MX addresss have a PTR record that resolves back to them.

TLS

warn

MTA-STS testing · TLS-RPT · DANE on 0 of 2 MX hosts

Found

MTA-STS record
v=STSv1; id=20240521T124151;
Policy URL
https://mta-sts.zwin.be/.well-known/mta-sts.txt
Mode
testing
Allowed MX
spamfilter1.west-vlaanderen.be, spamfilter2.west-vlaanderen.be
Max age
31449600 seconds
TLS-RPT record
v=TLSRPTv1; rua=mailto:6fefa8d382@tls.easydmarc.com;

DANE (TLSA records)

MX hostTLSADNSSEC
mxa-00a30001.gslb.pphosted.comnone-
mxb-00a30001.gslb.pphosted.comnone-

Checks

  • ✓ Record published #32
    MTA-STS record found with id 20240521T124151.
  • !
    Policy in testing mode
    With mode: testing, senders only report TLS problems (via TLS-RPT) and still deliver without TLS. Switch to mode: enforce once reports are clean.
    #33
  • !
    MX hosts missing from policy
    These MX hosts are not listed in the MTA-STS policy (mx: spamfilter1.west-vlaanderen.be, spamfilter2.west-vlaanderen.be): mxa-00a30001.gslb.pphosted.com, mxb-00a30001.gslb.pphosted.com. This will break delivery once the policy is enforced.
    #34
  • ✓ Reports enabled #35
    TLS reports are sent to: mailto:6fefa8d382@tls.easydmarc.com
  • i
    Not used
    No MX host publishes TLSA records. DANE lets senders verify your mail server's certificate through DNSSEC; it requires DNSSEC on the MX host's zone.
    #36

BIMI

warn

https://assets.easydmarc.com/fdaad3ac08/bimi-zwin-be-41d2f20a.svg

Found

Record
v=BIMI1;l=https://assets.easydmarc.com/fdaad3ac08/bimi-zwin-be-41d2f20a.svg;a=
Found at
default._bimi.zwin.be
Logo
https://assets.easydmarc.com/fdaad3ac08/bimi-zwin-be-41d2f20a.svg

Checks

  • !
    No certificate (a=)
    The logo is published without a Verified Mark Certificate. Gmail and Apple Mail only show BIMI logos with a VMC or CMC; Yahoo shows it without one.
    #38
  • ✓ DMARC meets BIMI requirements #39
    DMARC is enforced on all mail, as BIMI requires.