Brütsch/Rüegger Werkzeuge

brw.ch

Industry
Retail
Headquarters
Urdorf, Zurich
Type
private
Employees (approx.)
300
Checked on
19 October 2026
50/100Grade C

Protection against forged senders: protected

Points per criterion

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

Findings

  • !No DKIM key found

    No key was found under more than 100 common selectors. A custom selector is possible, but without DKIM there is no cryptographic sender check.

  • !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
Provider jurisdiction
USA · MX: CH
Detection confidence
40 / 100
Microsoft tenant
Managed · Brütsch/Rüegger Group Services AG
Tenant region
EU
Signals (2)
AutodiscoverMicrosoft 365autodiscover.outlook.com
Entra IDMicrosoft 365Entra-ID-Tenant (Managed)

MX servers

PrefHostIPNetworkCountryTLSA
10 mx2.b-r.ch 194.126.218.107 AS34532 Bruetsch-Ruegger - Bruetsch/Rueegger Holding AG CH –
10 mx1.b-r.ch 194.126.218.106 AS34532 Bruetsch-Ruegger - Bruetsch/Rueegger Holding AG CH –

SPF

v=spf1 mx a:dummy.brw.ch include:cust-spf.exacttarget.com include:ru7990agq6c.email.mirakl.net include:shops.shopify.com include:smtp.shopify.com include:smtp5.shopify.com -all
all
-all
DNS lookups
7 / 10
Includes
cust-spf.exacttarget.comru7990agq6c.email.mirakl.netshops.shopify.comsmtp.shopify.comsmtp5.shopify.com
Detected sending services
Salesforce

DMARC

v=DMARC1; p=reject; rua=mailto:dmarc-reports-5f554b01476964364169@open.ch; rf=afrf; pct=100; ri=86400
Policy
p=reject
Subdomains (sp)
inherits p=reject
Share (pct)
100 %
Alignment DKIM/SPF
relaxed / relaxed
Aggregate reports (rua)
dmarc-reports-5f554b01476964364169@open.ch

DKIM

No DKIM key found

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

Transport encryption

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

History

  • Score 50 · DMARC reject

All changes of this organisation in the change log →

Raw data
brw.ch. IN MX 10 mx2.b-r.ch.
brw.ch. IN MX 10 mx1.b-r.ch.
brw.ch. IN TXT "v=spf1 mx a:dummy.brw.ch include:cust-spf.exacttarget.com include:ru7990agq6c.email.mirakl.net include:shops.shopify.com include:smtp.shopify.com include:smtp5.shopify.com -all"
_dmarc.brw.ch. IN TXT "v=DMARC1; p=reject; rua=mailto:dmarc-reports-5f554b01476964364169@open.ch; rf=afrf; pct=100; ri=86400"

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