Gemeinde Steinach

steinach.ch

Industry
Municipalities
Headquarters
Steinach, St. Gallen
Type
public
Population
3,579
FSO no.
3217
Checked on
19 October 2026
70/100Grade B

Protection against forged senders: protected

Points per criterion

  • MX 10 / 10
  • SPF 15 / 15
  • DKIM 20 / 20
  • DMARC 25 / 25
  • DNSSEC 0 / 10
  • Transport (MTA-STS/DANE) 0 / 15
  • TLS-RPT 0 / 5

Findings

  • !DMARC without reporting (no rua)

    Without aggregate reports it stays invisible who sends in the domain's name.

  • !DKIM key below 2048 bits

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

  • !DNSSEC not enabled

    Without DNSSEC, DNS answers can be forged in transit. DANE requires DNSSEC.

  • !No MTA-STS

    Without MTA-STS (or DANE) inbound encryption is not enforced; an attacker on the path can downgrade to plain text.

  • !No TLS reporting (TLS-RPT)

    Without TLS-RPT the organisation does not learn when senders fail to deliver encrypted.

  • iStrict DMARC alignment

    adkim=s or aspf=s requires exact domain matches. Secure, but demanding when sending from subdomains.

Check live in the Mail DNS Check →

Who runs the mail?

Mailbox provider
Microsoft 365
Upstream gateway
Abraxas
Provider jurisdiction
USA · MX: CH
Detection confidence
92 / 100
Microsoft tenant
Managed · Gemeinde Steinach
Tenant region
EU
Signals (4)
SPFMicrosoft 365include:spf.protection.outlook.com
AutodiscoverMicrosoft 365autodiscover.outlook.com
Domain verificationMicrosoft 365MS=ms73974518
Entra IDMicrosoft 365Entra-ID-Tenant (Managed)

MX servers

PrefHostIPNetworkCountryTLSA
10 mta2.abxsec.com 193.246.95.121 AS9108 ABXnet - Abraxas Informatik AG CH –
10 mta1.abxsec.com 193.246.95.101 AS9108 ABXnet - Abraxas Informatik AG CH –

SPF

v=spf1 include:_spf.mlsend.com mx include:_spf.abxsec.com include:spf.protection.cyon.net include:spf.protection.outlook.com -all
all
-all
DNS lookups
5 / 10
Includes
_spf.mlsend.com_spf.abxsec.comspf.protection.cyon.netspf.protection.outlook.com
Detected sending services
Microsoft 365

DMARC

v=DMARC1; p=reject; ruf=mailto:dmarc@steinach.ch; adkim=s; aspf=s;
Policy
p=reject
Subdomains (sp)
inherits p=reject
Share (pct)
100 %
Alignment DKIM/SPF
strict / strict
Aggregate reports (rua)
–
Forensic reports (ruf)
dmarc@steinach.ch

DKIM

SelectorKeydelegated to
ml RSA 1024 –

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

Transport encryption

MTA-STS
missing
DANE
missing
DNSSEC
missing
TLS-RPT
missing
BIMI
missing

Verified services

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

Microsoft 365

History

  • Score 70 · DMARC reject

All changes of this organisation in the change log →

Raw data
steinach.ch. IN MX 10 mta2.abxsec.com.
steinach.ch. IN MX 10 mta1.abxsec.com.
steinach.ch. IN TXT "v=spf1 include:_spf.mlsend.com mx include:_spf.abxsec.com include:spf.protection.cyon.net include:spf.protection.outlook.com -all"
_dmarc.steinach.ch. IN TXT "v=DMARC1; p=reject; ruf=mailto:dmarc@steinach.ch; adkim=s; aspf=s;"

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