Cerbios-Pharma

cerbios.ch

Industry: Pharma & biotech
Headquarters: Lugano, Ticino
Type: private
Employees (approx.): 250
Checked on: 19 October 2026

74/100Grade B

Protection against forged senders: largely protected

Points per criterion

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

Industry avg.: 65.5 ▲ 8.5
Canton avg.: 43.3 ▲ 30.7
Overall avg.: 53.5 ▲ 20.5
Rank 6 of 24 in the industry

Findings

!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: 99 / 100
Microsoft tenant: Federated · Cerbios-Pharma SA
Tenant region: EU
Federated via: adfs.cerbios.ch

Signals (5)

SPF	Microsoft 365	`include:spf.protection.outlook.com`
DKIM	Microsoft 365	`selector1 → selector1-cerbios-ch._domainkey.cerbios.onmicrosoft.com`
Domain verification	Microsoft 365	`MS=ms90421370`
Network	Swisscom	`AS3303 SWISSCOM - Swisscom (Schweiz) AG`
Entra ID	Microsoft 365	`Entra-ID-Tenant (Federated)`

MX servers

Pref	Host	IP	Network	Country	TLSA
10	`relay.cerbios.ch`	`212.243.68.235`	AS3303 SWISSCOM - Swisscom (Schweiz) AG	CH	–

SPF

v=spf1 mx include:_spf.salesforce.com a include:spf.protection.outlook.com -all

all: -all
DNS lookups: 5 / 10
Includes: _spf.salesforce.comspf.protection.outlook.com
Detected sending services: Salesforce, Microsoft 365

DMARC

v=DMARC1; p=quarantine; sp=quarantine; pct=100; rua=mailto:ict_infra@cerbios.ch; adkim=r; aspf=r

Policy: p=quarantine
Subdomains (sp): quarantine
Share (pct): 100 %
Alignment DKIM/SPF: relaxed / relaxed
Aggregate reports (rua): ict_infra@cerbios.ch

DKIM

Selector	Key	delegated to
`selector1`	RSA 2048	`selector1-cerbios-ch._domainkey.cerbios.onmicrosoft.com`
`selector2`	RSA 2048	`selector2-cerbios-ch._domainkey.cerbios.onmicrosoft.com`

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

Transport encryption

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

Verified services

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

Microsoft 365Apple

History

19 October 2026 Score 74 · DMARC quarantine

All changes of this organisation in the change log →

Raw data

cerbios.ch. IN MX 10 relay.cerbios.ch.
cerbios.ch. IN TXT "v=spf1 mx include:_spf.salesforce.com a include:spf.protection.outlook.com -all"
_dmarc.cerbios.ch. IN TXT "v=DMARC1; p=quarantine; sp=quarantine; pct=100; rua=mailto:ict_infra@cerbios.ch; adkim=r; aspf=r"

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