creditplus.de

Checked 21 October 2026, 22:11 UTC · via 8.8.8.8
!Passed with warnings
27 passed 5 warnings 0 failed 1 info

SPF

pass

SPF record published

Found

Record
v=spf1 include:spf.hornetsecurity.com include:eu-central-1.amazonses.com include:email.prnewswire.com include:spf.vier.ai ip4:62.153.228.252 ip4:5.9.67.245 ip4:176.9.16.249 ip4:178.255.129.72 ip4:83.126.21.64 include:kundenmailing.net -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

pass

p=reject (_dmarc.creditplus.de)

Found

Record
v=DMARC1; p=reject; sp=reject; rua=mailto:vzhmgc8m@ag.eu.dmarcadvisor.com; ruf=mailto:dmarc@creditplus.de; fo=1;
Found at
_dmarc.creditplus.de
External report address
mailto:vzhmgc8m@ag.eu.dmarcadvisor.com (authorized)
TagValueMeaning
vDMARC1Version
prejectPolicy
sprejectSubdomain policy
ruamailto:vzhmgc8m@ag.eu.dmarcadvisor.comAggregate report addresses
rufmailto:dmarc@creditplus.deFailure 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:vzhmgc8m@ag.eu.dmarcadvisor.com
  • ✓ 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: mail, s1, s2

Found

Selectors
mail, s1, s2
_domainkey
NOERROR
SelectorKeyFlags
mailRSA 1024 bits
s1RSA 2048 bits
s2RSA 1024 bits

Checks

  • ✓ Keys found: mail, s1, s2 #7
    DKIM keys found for this domain with selectors: mail, s1, s2
  • !
    1024-bit DKIM key
    1024-bit RSA keys are the minimum and are considered weak today: mail (1024 bits), s2 (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

warn

Not signed

Found

DNSKEY records
No (0)
DS at parent
No

Checks

  • !
    Not enabled
    DNSSEC is not enabled for this domain. Consider enabling DNSSEC to protect against DNS spoofing attacks.
    #8

MX

warn

3 mail servers

Found

PriorityHostRecordsReverse DNS
10mx14a.antispameurope.comA 94.100.132.100 A 83.246.65.100 A 83.246.65.85hsmx01.antispameurope.com ✓ nlb01-hz2.hornetsecurity.com.65.246.83.in-addr.arpa (does not resolve back) hsmx01-hz2.antispameurope.com ✓
20mx14b.antispameurope.comA 83.246.65.85hsmx01-hz2.antispameurope.com ✓
30mx14c.antispameurope.comA 94.100.134.100nlb01-hz3.hornetsecurity.com (does not resolve back)

Checks

  • ✓ 3 MX records #9
    Found 3 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: mx14a.antispameurope.com, mx14b.antispameurope.com, mx14c.antispameurope.com
    #11
  • ✓ Redundant MX hosts #12
    Found 3 MX records, which provides redundancy for email delivery.
  • ✓ At most 5 MX records #13
    Found 3 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: 83.246.65.100 -> nlb01-hz2.hornetsecurity.com.65.246.83.in-addr.arpa, 94.100.134.100 -> nlb01-hz3.hornetsecurity.com.
    #30

TLS

warn

no MTA-STS · TLS-RPT · DANE on 0 of 3 MX hosts

Found

TLS-RPT record
v=TLSRPTv1; rua=mailto:vzhmgc8m@tls.eu.dmarcadvisor.com;

DANE (TLSA records)

MX hostTLSADNSSEC
mx14a.antispameurope.comnone-
mx14b.antispameurope.comnone-
mx14c.antispameurope.comnone-

Checks

  • !
    Not configured
    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
  • ✓ Reports enabled #35
    TLS reports are sent to: mailto:vzhmgc8m@tls.eu.dmarcadvisor.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

pass

https://bimi.eu.dmarcmanager.app/eu-vzhmgc8m/default/logo.svg

Found

Record
v=BIMI1; l=https://bimi.eu.dmarcmanager.app/eu-vzhmgc8m/default/logo.svg; a=https://bimi.eu.dmarcmanager.app/eu-vzhmgc8m/default/cert.pem;
Found at
default._bimi.creditplus.de
Logo
https://bimi.eu.dmarcmanager.app/eu-vzhmgc8m/default/logo.svg
Certificate
https://bimi.eu.dmarcmanager.app/eu-vzhmgc8m/default/cert.pem

Checks

  • ✓ Logo and certificate published #38
    BIMI logo: https://bimi.eu.dmarcmanager.app/eu-vzhmgc8m/default/logo.svg; certificate: https://bimi.eu.dmarcmanager.app/eu-vzhmgc8m/default/cert.pem
  • ✓ DMARC meets BIMI requirements #39
    DMARC is enforced on all mail, as BIMI requires.