freenet.de

Checked 21 October 2026, 22:31 UTC · via 8.8.8.8
!Passed with warnings
27 passed 4 warnings 0 failed 2 info

SPF

info

SPF record published

Found

Record
v=spf1 redirect=_spf.freenet.de
DNS lookups
4 of 10
Void lookups
0 of 2

Checks

  • ✓ No deprecated ptr mechanism #1
    No ptr mechanism found in SPF record.
  • ✓ 4 of 10 DNS lookups #2
    SPF record needs 4 DNS lookups (limit is 10).
  • i
    Delegated via redirect
    SPF record has no 'all' mechanism but redirects to _spf.freenet.de, whose policy applies.
    #3
  • ✓ 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.freenet.de)

Found

Record
v=DMARC1; p=quarantine; rua=mailto:dmarcreport@freenet.de
Found at
_dmarc.freenet.de
TagValueMeaning
vDMARC1Version
pquarantinePolicy
ruamailto:dmarcreport@freenet.deAggregate 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:dmarcreport@freenet.de
  • ✓ 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

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 (2)
DS at parent
Yes
Algorithms
ECDSAP256SHA256 (13)
Key tags
2371, 34505
Signatures valid until
8 December 2026, 13:13 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 2026-12-08 #21
    DNSKEY signatures are valid until 2026-12-08T13:13:36Z.

MX

warn

1 mail server

Found

PriorityHostRecordsReverse DNS
1mx.freenet.deA 194.97.208.38 A 194.97.208.37 A 194.97.208.39 A 194.97.208.34 A 194.97.208.35 A 194.97.208.36 AAAA 2001:748:400:4::23 AAAA 2001:748:400:4::22 AAAA 2001:748:400:4::27 AAAA 2001:748:400:4::25 AAAA 2001:748:400:4::24 AAAA 2001:748:400:4::26mx.freenet.de ✓ mx.freenet.de ✓ mx.freenet.de ✓ mx.freenet.de ✓ mx.freenet.de ✓ mx.freenet.de ✓ mx.freenet.de ✓ mx.freenet.de ✓ mx.freenet.de ✓ mx.freenet.de ✓ mx.freenet.de ✓ mx.freenet.de ✓

Checks

  • ✓ 1 MX record #9
    Found 1 MX records for this domain.
  • ✓ All hosts resolve #10
    All MX records resolve to valid IP addresses.
  • ✓ All hosts have IPv6 #11
    All MX records resolve to IPv6 addresses.
  • !
    Single MX host, no backup
    Only one MX record found. For better email reliability, consider adding at least one backup MX server.
    #12
  • ✓ At most 5 MX records #13
    Found 1 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 12 MX addresss have a PTR record that resolves back to them.

TLS

warn

MTA-STS testing · TLS-RPT · DANE on 1 of 1 MX hosts

Found

MTA-STS record
v=STSv1; id=20260204090000Z
Policy URL
https://mta-sts.freenet.de/.well-known/mta-sts.txt
Mode
testing
Allowed MX
mx.freenet.de
Max age
86400 seconds
TLS-RPT record
v=TLSRPTv1; rua=mailto:dmarcreport@freenet.de

DANE (TLSA records)

MX hostTLSADNSSEC
mx.freenet.de3 1 1 2081224f0b12fa68… 2 0 1 91e2f5788d5810eb…Yes

Checks

  • ✓ Record published #32
    MTA-STS record found with id 20260204090000Z.
  • !
    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:dmarcreport@freenet.de
  • ✓ DANE on all MX hosts #36
    All 1 MX host 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