Spital Muri

spital-muri.ch

Industry
Healthcare
Headquarters
Muri, Aargau
Type
public
Employees (approx.)
700
Checked on
19 October 2026
64/100Grade C

Protection against forged senders: largely protected

Points per criterion

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

Findings

  • !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
Sophos
Provider jurisdiction
USA · MX: US
Detection confidence
97 / 100
Microsoft tenant
Managed · Spital Muri
Tenant region
EU
Signals (4)
SPFMicrosoft 365include:spf.protection.outlook.com
DKIMMicrosoft 365selector1 → selector1-spitalmuri-ch01e._domainkey.spitalmuri.onmicrosoft.com
NetworkAmazonAS16509 AMAZON-02 - Amazon.com, Inc.
Entra IDMicrosoft 365Entra-ID-Tenant (Managed)

MX servers

PrefHostIPNetworkCountryTLSA
10 mx-01-eu-central-1.prod.hydra.sophos.com 63.185.46.184 AS16509 AMAZON-02 - Amazon.com, Inc. US –
52.57.178.187 AS16509 AMAZON-02 - Amazon.com, Inc. US
15 mx-02-eu-central-1.prod.hydra.sophos.com 52.57.178.187 AS16509 AMAZON-02 - Amazon.com, Inc. US –
63.185.46.184 AS16509 AMAZON-02 - Amazon.com, Inc. US

SPF

v=spf1 mx:hin.ch include:_spf.rexx-systems.com ip4:193.135.56.6 ip4:194.209.70.188 ip4:194.209.134.134 include:spf.umantis.com include:spf.protection.outlook.com include:_spf_eucentral1.prod.hydra.sophos.com -all
all
-all
DNS lookups
5 / 10
Includes
_spf.rexx-systems.comspf.umantis.comspf.protection.outlook.com_spf_eucentral1.prod.hydra.sophos.com
Detected sending services
Microsoft 365
IPv4
3 addresses authorised directly

DMARC

v=DMARC1; p=quarantine; rua=mailto:dmarc@spital-muri.ch; fo=1; adkim=s; aspf=s
Policy
p=quarantine
Subdomains (sp)
inherits p=quarantine
Share (pct)
100 %
Alignment DKIM/SPF
strict / strict
Aggregate reports (rua)
dmarc@spital-muri.ch

DKIM

SelectorKeydelegated to
selector1 RSA 1024 selector1-spitalmuri-ch01e._domainkey.spitalmuri.onmicrosoft.com
selector2 RSA 1024 selector2-spitalmuri-ch01e._domainkey.spitalmuri.onmicrosoft.com

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.

Atlassian

History

  • Score 64 · DMARC quarantine

All changes of this organisation in the change log →

Raw data
spital-muri.ch. IN MX 10 mx-01-eu-central-1.prod.hydra.sophos.com.
spital-muri.ch. IN MX 15 mx-02-eu-central-1.prod.hydra.sophos.com.
spital-muri.ch. IN TXT "v=spf1 mx:hin.ch include:_spf.rexx-systems.com ip4:193.135.56.6 ip4:194.209.70.188 ip4:194.209.134.134 include:spf.umantis.com include:spf.protection.outlook.com include:_spf_eucentral1.prod.hydra.sophos.com -all"
_dmarc.spital-muri.ch. IN TXT "v=DMARC1; p=quarantine; rua=mailto:dmarc@spital-muri.ch; fo=1; adkim=s; aspf=s"

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