erzbistum-muenchen.de

Checked 21 October 2026, 22:19 UTC · via 8.8.8.8
!Passed with warnings
28 passed 3 warnings 0 failed 2 info

SPF

pass

SPF record published

Found

Record
v=spf1 include:_spf.dioezesennetz.de -all
DNS lookups
1 of 10
Void lookups
0 of 2

Checks

  • ✓ No deprecated ptr mechanism #1
    No ptr mechanism found in SPF record.
  • ✓ 1 of 10 DNS lookups #2
    SPF record needs 1 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.erzbistum-muenchen.de)

Found

Record
v=DMARC1; p=reject; rua=mailto:dmarc+aggregated@reports.nicmanager.net;
Found at
_dmarc.erzbistum-muenchen.de
External report address
mailto:dmarc+aggregated@reports.nicmanager.net (authorized)
TagValueMeaning
vDMARC1Version
prejectPolicy
ruamailto:dmarc+aggregated@reports.nicmanager.netAggregate report addresses

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:dmarc+aggregated@reports.nicmanager.net
  • ✓ 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

No keys found under the checked selectors

Found

Selectors
None found
_domainkey
NOERROR

Checks

  • !
    No key under common selectors
    The _domainkey name exists but no DKIM key was found under the common selectors. Selectors are provider-specific; check yours with -selector.
    #7

DNSSEC

pass

Signed, DS published at parent

Found

DNSKEY records
Yes (3)
DS at parent
Yes
Algorithms
ECDSAP256SHA256 (13)
Key tags
38693, 1418, 63022
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
10mx02.dioezesennetz.deA 141.78.102.98mx02.dioezesennetz.de ✓
20mx01.dioezesennetz.deA 141.78.101.98mx01.dioezesennetz.de ✓

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: mx02.dioezesennetz.de, mx01.dioezesennetz.de
    #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=1782986089
Policy URL
https://mta-sts.erzbistum-muenchen.de/.well-known/mta-sts.txt
Mode
testing
Allowed MX
mx01.dioezesennetz.de, mx02.dioezesennetz.de
Max age
604800 seconds
TLS-RPT record
v=TLSRPTv1; rua=mailto:tlsrpt@reports.nicmanager.net;

DANE (TLSA records)

MX hostTLSADNSSEC
mx02.dioezesennetz.denone-
mx01.dioezesennetz.denone-

Checks

  • ✓ Record published #32
    MTA-STS record found with id 1782986089.
  • !
    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
  • ✓ All MX hosts covered #34
    Every MX host matches an mx: line of the MTA-STS policy.
  • ✓ Reports enabled #35
    TLS reports are sent to: mailto:tlsrpt@reports.nicmanager.net
  • 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

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