vodafone.de

Checked 22 October 2026, 01:00 UTC · via 8.8.8.8
!Passed with warnings
30 passed 4 warnings 0 failed 1 info

SPF

pass

SPF record published

Found

Record
v=spf1 include:vodafonemail.de ip4:176.95.8.68 ip4:84.17.184.251 ip4:84.17.184.252 ip4:84.17.184.253 include:spf1.vodafone.de -all
DNS lookups
7 of 10
Void lookups
0 of 2

Checks

  • ✓ No deprecated ptr mechanism #1
    No ptr mechanism found in SPF record.
  • ✓ 7 of 10 DNS lookups #2
    SPF record needs 7 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.vodafone.de)

Found

Record
v=DMARC1; p=quarantine; rua=mailto:adeeb5c538f9684@rep.dmarcanalyzer.com; pct=100; sp=quarantine; fo=1
Found at
_dmarc.vodafone.de
External report address
mailto:adeeb5c538f9684@rep.dmarcanalyzer.com (authorized)
TagValueMeaning
vDMARC1Version
pquarantinePolicy
spquarantineSubdomain policy
pct100Percentage of mail the policy applies to
ruamailto:adeeb5c538f9684@rep.dmarcanalyzer.comAggregate report addresses
fo1Failure reporting options

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:adeeb5c538f9684@rep.dmarcanalyzer.com
  • ✓ Subdomain policy: quarantine #20
    Subdomains are covered by policy 'quarantine'.
  • ✓ External report addresses authorized #29
    Report addresses in other domains have published their authorization.

DKIM

warn

Selectors: default, mail

Found

Selectors
default, mail
_domainkey
NOERROR
SelectorKeyFlags
defaultRSA 1024 bits
mailRSA 1024 bits

Checks

  • ✓ Keys found: default, mail #7
    DKIM keys found for this domain with selectors: default, mail
  • !
    1024-bit DKIM key
    1024-bit RSA keys are the minimum and are considered weak today: default (1024 bits), mail (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 (3)
DS at parent
Yes
Algorithms
RSASHA256 (8)
Key tags
4732, 27891, 31459
Signatures valid until
7 August 2027, 20:28 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 2027-08-07 #21
    DNSKEY signatures are valid until 2027-08-07T20:28:24Z.

MX

warn

3 mail servers

Found

PriorityHostRecordsReverse DNS
10mx1.vodafonemail.deA 2.207.217.30mx5.vodafonemail.de ✓
10mx2.vodafonemail.deA 2.207.151.53mx3.vodafonemail.de ✓
10mx3.vodafonemail.deA 2.207.151.53mx3.vodafonemail.de ✓

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: mx1.vodafonemail.de, mx2.vodafonemail.de, mx3.vodafonemail.de
    #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 confirmed #30
    All 3 MX addresss have a PTR record that resolves back to them.

TLS

warn

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

Found

MTA-STS record
v=STSv1; id=20251027T120000Z
Policy URL
https://mta-sts.vodafone.de/.well-known/mta-sts.txt
Mode
enforce
Allowed MX
mx1.vodafonemail.de, mx2.vodafonemail.de, mx3.vodafonemail.de
Max age
86400 seconds

DANE (TLSA records)

MX hostTLSADNSSEC
mx1.vodafonemail.de3 0 1 2cf6681ce5499de2… 3 0 1 6a2d3cc15d83270d… 3 0 1 b436bc3af07c1e0f… 3 0 1 2d4799c928d03900… 3 0 1 aef0583067a8e041…Yes
mx2.vodafonemail.de3 0 1 2cf6681ce5499de2… 3 0 1 b436bc3af07c1e0f… 3 0 1 aef0583067a8e041… 3 0 1 2d4799c928d03900… 3 0 1 6a2d3cc15d83270d…Yes
mx3.vodafonemail.de3 0 1 aef0583067a8e041… 3 0 1 8c7cdffc4dd251af… 3 0 1 2d4799c928d03900… 3 0 1 b436bc3af07c1e0f… 3 0 1 2cf6681ce5499de2… 3 0 1 25ab7981675e215c… 3 0 1 6a2d3cc15d83270d…Yes

Checks

  • ✓ Record published #32
    MTA-STS record found with id 20251027T120000Z.
  • ✓ Policy enforced #33
    The MTA-STS policy is enforced and cached for 24h0m0s.
  • ✓ All MX hosts covered #34
    Every MX host matches an mx: line of the MTA-STS policy.
  • !
    Not configured
    MTA-STS or DANE is used without TLS-RPT, so you get no reports when senders fail to deliver because of TLS problems. Publish _smtp._tls TXT "v=TLSRPTv1; rua=mailto:...".
    #35
  • ✓ DANE on all MX hosts #36
    All 3 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