Aldi Suisse

aldi-suisse.ch

Industry
Retail
Headquarters
Jonschwil, St. Gallen
Type
private
Employees (approx.)
4,000
Checked on
19 October 2026
91/100Grade A

Protection against forged senders: protected

Points per criterion

  • MX 10 / 10
  • SPF 15 / 15
  • DKIM 20 / 20
  • DMARC 25 / 25
  • DNSSEC 10 / 10
  • Transport (MTA-STS/DANE) 6 / 15
  • TLS-RPT 5 / 5

Findings

  • !DKIM key below 2048 bits

    RSA-1024 is considered too weak (RFC 8301, M3AAWG). Rotate to 2048-bit keys.

  • !MTA-STS in testing mode only

    mode: testing reports failures but enforces nothing.

  • iBIMI with mark certificate (VMC/CMC)

    Logo with a verified mark certificate, shown by Gmail and Apple Mail among others. Requires DMARC enforcement.

Check live in the Mail DNS Check →

Who runs the mail?

Mailbox provider
Microsoft 365
Upstream gateway
Trend Micro
Provider jurisdiction
USA · MX: US
Detection confidence
99 / 100
Microsoft tenant
Federated · ALDI-HOFER
Tenant region
EU
Federated via
stsl02.aldi-sued.com
Signals (6)
SPFMicrosoft 365include:spf.protection.outlook.com
DKIMMicrosoft 365selector1 → selector1-aldisuisse-ch01b._domainkey.asgportal.onmicrosoft.com
Domain verificationMicrosoft 365MS=ms58304671
Domain verificationGoogle Workspacegoogle-site-verification=2awjO_NZydTmRbd
NetworkAmazonAS16509 AMAZON-02 - Amazon.com, Inc.
Entra IDMicrosoft 365Entra-ID-Tenant (Federated)

MX servers

PrefHostIPNetworkCountryTLSA
1 asgportal.in.tmes.trendmicro.eu 18.185.115.146 AS16509 AMAZON-02 - Amazon.com, Inc. US –
18.185.115.147 AS16509 AMAZON-02 - Amazon.com, Inc. US
18.185.115.145 AS16509 AMAZON-02 - Amazon.com, Inc. US

SPF

v=spf1 ip4:80.243.175.20 ip4:91.198.224.29 ip4:194.37.255.29 ip4:85.31.11.197 include:_spf.cmail.ondemand.com include:_spf-dc12.successfactors.com include:_spfip.aspectra.com include:spf.protection.outlook.com include:spf.tmes.trendmicro.eu include:de._netblocks.mimecast.com -all
all
-all
DNS lookups
7 / 10
Includes
_spf.cmail.ondemand.com_spf-dc12.successfactors.com_spfip.aspectra.comspf.protection.outlook.comspf.tmes.trendmicro.eude._netblocks.mimecast.com
Detected sending services
SAP, Microsoft 365, Mimecast
IPv4
4 addresses authorised directly

DMARC

v=DMARC1; p=reject; rua=mailto:d202ae27-6a9a-49c3-9438-1c24325700aa@rep.de.mimecastdmarcanalyzer.com
Policy
p=reject
Subdomains (sp)
inherits p=reject
Share (pct)
100 %
Alignment DKIM/SPF
relaxed / relaxed
Aggregate reports (rua)
d202ae27-6a9a-49c3-9438-1c24325700aa@rep.de.mimecastdmarcanalyzer.com
Report services
Mimecast DMARC Analyzer

DKIM

SelectorKeydelegated to
mail RSA 1024 –
mailjet RSA 1024 –
selector1 RSA 1024 selector1-aldisuisse-ch01b._domainkey.asgportal.onmicrosoft.com

Checked: 100 common selectors. Keys under custom selectors remain invisible.

Transport encryption

MTA-STS
Mode: testing · max_age: 86,400 s · covers all MX: yes
mx
asgportal.in.tmes.trendmicro.eude-smtp-inbound-1.mimecast.comde-smtp-inbound-2.mimecast.com
DANE
missing
DNSSEC
active
TLS-RPT
mailto:tls-report@aldi-sued.com
BIMI
VMC/CMC ✓ · Logo

Verified services

From verification records in the domain TXT: services where the domain is verified.

Microsoft 365GoogleAppleMeta/FacebookAtlassianDocuSignAdobeMiroKnowBe4

History

  • Score 91 · DMARC reject

All changes of this organisation in the change log →

Raw data
aldi-suisse.ch. IN MX 1 asgportal.in.tmes.trendmicro.eu.
aldi-suisse.ch. IN TXT "v=spf1 ip4:80.243.175.20 ip4:91.198.224.29 ip4:194.37.255.29 ip4:85.31.11.197 include:_spf.cmail.ondemand.com include:_spf-dc12.successfactors.com include:_spfip.aspectra.com include:spf.protection.outlook.com include:spf.tmes.trendmicro.eu include:de._netblocks.mimecast.com -all"
_dmarc.aldi-suisse.ch. IN TXT "v=DMARC1; p=reject; rua=mailto:d202ae27-6a9a-49c3-9438-1c24325700aa@rep.de.mimecastdmarcanalyzer.com"
_mta-sts.aldi-suisse.ch. IN TXT "v=STSv1; id=20260624T0731"
_smtp._tls.aldi-suisse.ch. IN TXT "v=TLSRPTv1; rua=mailto:tls-report@aldi-sued.com"
default._bimi.aldi-suisse.ch. IN TXT "v=BIMI1; l=https://vmc.digicert.com/8fc0688a-1faa-46cd-8a72-f7ca6d57a8d3.svg; a=…"

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