Mail domain report: aldi-sued.de

SPF

pass

SPF record published

Found

Record: v=spf1 ip4:195.145.98.211 ip4:46.231.182.187 ip4:80.87.171.89 ip4:80.87.171.51 include:spf.mailjet.com include:spf.paragon-cc.de include:spf.protection.outlook.com include:_spf-dc12.successfactors.com include:_spf.general.transactional-mail-a.com include:spf.tmes.trendmicro.eu include:de._netblocks.mimecast.com -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

pass

p=reject (_dmarc.aldi-sued.de)

Found

Record: v=DMARC1; p=reject; rua=mailto:d202ae27-6a9a-49c3-9438-1c24325700aa@rep.de.mimecastdmarcanalyzer.com
Found at: _dmarc.aldi-sued.de
External report address: mailto:d202ae27-6a9a-49c3-9438-1c24325700aa@rep.de.mimecastdmarcanalyzer.com (authorized)

Tag	Value	Meaning
v	DMARC1	Version
p	reject	Policy
rua	mailto:d202ae27-6a9a-49c3-9438-1c24325700aa@rep.de.mimecastdmarcanalyzer.com	Aggregate 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:d202ae27-6a9a-49c3-9438-1c24325700aa@rep.de.mimecastdmarcanalyzer.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, selector1

Found

Selectors: mail, selector1
_domainkey: NOERROR

Selector	Key	Flags
mail	RSA 1024 bits
selector1	RSA 1024 bits

Checks

✓ Keys found: mail, selector1 #7

DKIM keys found for this domain with selectors: mail, selector1
!

1024-bit DKIM key

1024-bit RSA keys are the minimum and are considered weak today: mail (1024 bits), selector1 (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: 23963, 51957
Signatures valid until: 1 November 2026, 12:34 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 2026-11-01 #21

DNSKEY signatures are valid until 2026-11-01T12:34:27Z.

MX

warn

1 mail server

Found

Priority	Host	Records	Reverse DNS
1	asgportal.in.tmes.trendmicro.eu	A 18.185.115.146 A 18.185.115.147 A 18.185.115.145	in.tmes.trendmicro.eu ✓ in.tmes.trendmicro.eu ✓ in.tmes.trendmicro.eu ✓

Checks

✓ 1 MX record #9

Found 1 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: asgportal.in.tmes.trendmicro.eu

#11
!

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 3 MX addresss have a PTR record that resolves back to them.

TLS

warn

MTA-STS testing · TLS-RPT · DANE on 0 of 1 MX hosts

Found

MTA-STS record: v=STSv1; id=20260623T1420
Policy URL: https://mta-sts.aldi-sued.de/.well-known/mta-sts.txt
Mode: testing
Allowed MX: asgportal.in.tmes.trendmicro.eu, de-smtp-inbound-1.mimecast.com, de-smtp-inbound-2.mimecast.com
Max age: 86400 seconds
TLS-RPT record: v=TLSRPTv1; rua=mailto:tls-report@aldi-sued.com

DANE (TLSA records)

MX host	TLSA	DNSSEC
asgportal.in.tmes.trendmicro.eu	none	-

Checks

✓ Record published #32

MTA-STS record found with id 20260623T1420.
!

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:tls-report@aldi-sued.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://vmc.digicert.com/8fc0688a-1faa-46cd-8a72-f7ca6d57a8d3.svg

Found

Record: v=BIMI1; l=https://vmc.digicert.com/8fc0688a-1faa-46cd-8a72-f7ca6d57a8d3.svg; a=https://vmc.digicert.com/8fc0688a-1faa-46cd-8a72-f7ca6d57a8d3.pem;
Found at: default._bimi.aldi-sued.de
Logo: https://vmc.digicert.com/8fc0688a-1faa-46cd-8a72-f7ca6d57a8d3.svg
Certificate: https://vmc.digicert.com/8fc0688a-1faa-46cd-8a72-f7ca6d57a8d3.pem

Checks

✓ Logo and certificate published #38

BIMI logo: https://vmc.digicert.com/8fc0688a-1faa-46cd-8a72-f7ca6d57a8d3.svg; certificate: https://vmc.digicert.com/8fc0688a-1faa-46cd-8a72-f7ca6d57a8d3.pem
✓ DMARC meets BIMI requirements #39

DMARC is enforced on all mail, as BIMI requires.