Gemeinde Widnau

widnau.ch

Industry
Municipalities
Headquarters
Widnau, St. Gallen
Type
public
Population
10,485
FSO no.
3238
Checked on
19 October 2026
62/100Grade C

Protection against forged senders: largely protected

Points per criterion

  • MX 10 / 10
  • SPF 13 / 15
  • DKIM 20 / 20
  • DMARC 19 / 25
  • DNSSEC 0 / 10
  • Transport (MTA-STS/DANE) 0 / 15
  • TLS-RPT 0 / 5

Findings

  • !External report receiver not authorised

    The authorisation record for an external rua domain is missing (RFC 7489 §7.1); many receivers then send no reports.

  • !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.

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
100 / 100
Microsoft tenant
Managed · Gemeindeverwaltung Widnau
Tenant region
EU
Signals (5)
SPFMicrosoft 365include:spf.protection.outlook.com
DKIMMicrosoft 365selector1 → selector1-widnau-ch._domainkey.gndverwi.q-v1.dkim.mail.microsoft
AutodiscoverMicrosoft 365autodiscover.outlook.com
Domain verificationMicrosoft 365MS=ms60714199
Entra IDMicrosoft 365Entra-ID-Tenant (Managed)

MX servers

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

SPF

v=spf1 ip4:194.11.218.40 include:spf.protection.outlook.com include:_spf.abxsec.com include:_spf.i-web.ch ~all
all
~all
DNS lookups
3 / 10
Includes
spf.protection.outlook.com_spf.abxsec.com_spf.i-web.ch
Detected sending services
Microsoft 365
IPv4
1 addresses authorised directly

DMARC

v=DMARC1; p=quarantine; rua=mailto:secsys-rua@abraxas.ch; ruf=mailto:secsys-ruf@abraxas.ch
Policy
p=quarantine
Subdomains (sp)
inherits p=quarantine
Share (pct)
100 %
Alignment DKIM/SPF
relaxed / relaxed
Aggregate reports (rua)
secsys-rua@abraxas.ch
Forensic reports (ruf)
secsys-ruf@abraxas.ch

DKIM

SelectorKeydelegated to
selector1 RSA 2048 selector1-widnau-ch._domainkey.gndverwi.q-v1.dkim.mail.microsoft

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 62 · DMARC quarantine

All changes of this organisation in the change log →

Raw data
widnau.ch. IN MX 10 mta1.abxsec.com.
widnau.ch. IN MX 10 mta2.abxsec.com.
widnau.ch. IN TXT "v=spf1 ip4:194.11.218.40 include:spf.protection.outlook.com include:_spf.abxsec.com include:_spf.i-web.ch ~all"
_dmarc.widnau.ch. IN TXT "v=DMARC1; p=quarantine; rua=mailto:secsys-rua@abraxas.ch; ruf=mailto:secsys-ruf@abraxas.ch"

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