SBB
sbb.ch
- Industry
- Transport & logistics
- Headquarters
- Bern, Bern
- Type
- public
- Employees (approx.)
- 35,000
- Checked on
- 19 October 2026
87/100Grade A
Protection against forged senders: protected, with a gap: subdomains not protected (sp=none)
Points per criterion
- MX 10 / 10
- SPF 15 / 15
- DKIM 20 / 20
- DMARC 25 / 25
- DNSSEC 0 / 10
- Transport (MTA-STS/DANE) 12 / 15
- TLS-RPT 5 / 5
- Industry avg.: 59.9 ▲ 27.1
- Canton avg.: 53.1 ▲ 33.9
- Overall avg.: 53.5 ▲ 33.5
- Rank 3 of 67 in the industry
Findings
-
!Subdomains unprotected (sp=none)
The main domain is protected, but subdomains such as invoice.company.ch can still be forged.
-
!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.
Who runs the mail?
- Mailbox provider
- Microsoft 365
- Provider jurisdiction
- USA · MX: US
- Detection confidence
- 100 / 100
- Microsoft tenant
- Managed · SBB
- Tenant region
- EU
Signals (8)
| MX | Microsoft 365 | sbb-ch.mail.protection.outlook.com |
|---|---|---|
| SPF | Microsoft 365 | include:spf.protection.outlook.com |
| DKIM | Microsoft 365 | selector1 → selector1-sbb-ch._domainkey.sbb.onmicrosoft.com |
| Autodiscover | Microsoft 365 | autodiscover.outlook.com |
| Domain verification | Microsoft 365 | MS=ms34590370 |
| Network | Microsoft 365 | AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation |
| Domain verification | Google Workspace | google-site-verification=UspM2v7ffR7H82o |
| Entra ID | Microsoft 365 | Entra-ID-Tenant (Managed) |
MX servers
| Pref | Host | IP | Network | Country | TLSA |
|---|---|---|---|---|---|
| 10 | sbb-ch.mail.protection.outlook.com | 52.101.103.140 | AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | US | – |
52.101.73.145 | AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | US | |||
52.101.185.114 | AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | US |
SPF
v=spf1 include:spf2.sbb.ch a:c.spf.service-now.com include:spf.protection.outlook.com -all- all
-all- DNS lookups
- 3 / 10
- Includes
spf2.sbb.chspf.protection.outlook.com- Detected sending services
- Microsoft 365
DMARC
v=DMARC1; p=reject; sp=none; aspf=r; rua=mailto:2908131124dc26a64720dfe48a565356-d@dmarc.report-uri.com- Policy
- p=reject
- Subdomains (sp)
- none
- Share (pct)
- 100 %
- Alignment DKIM/SPF
- relaxed / relaxed
- Aggregate reports (rua)
2908131124dc26a64720dfe48a565356-d@dmarc.report-uri.com- Report services
- Report URI
DKIM
| Selector | Key | delegated to |
|---|---|---|
mandrill | RSA 1024 | – |
s1 | RSA 2048 | s1.domainkey.u5195421.wl172.sendgrid.net |
s2 | RSA 1024 | s2.domainkey.u5195421.wl172.sendgrid.net |
selector1 | RSA 2048 | selector1-sbb-ch._domainkey.sbb.onmicrosoft.com |
selector2 | RSA 2048 | selector2-sbb-ch._domainkey.sbb.onmicrosoft.com |
Checked: 100 common selectors. Keys under custom selectors remain invisible.
Transport encryption
- MTA-STS
- Mode: enforce · max_age: 604,800 s · covers all MX: yes
- mx
*.mail.protection.outlook.com- DANE
- missing
- DNSSEC
- missing
- TLS-RPT
mailto:2908131124dc26a64720dfe48a565356-d@tlsrpt.report-uri.com- BIMI
- missing
Verified services
From verification records in the domain TXT: services where the domain is verified.
Microsoft 365GoogleAppleMeta/FacebookAtlassianOneTrustMiroTeamViewer
History
- Score 87 · DMARC reject
Raw data
sbb.ch. IN MX 10 sbb-ch.mail.protection.outlook.com.
sbb.ch. IN TXT "v=spf1 include:spf2.sbb.ch a:c.spf.service-now.com include:spf.protection.outlook.com -all"
_dmarc.sbb.ch. IN TXT "v=DMARC1; p=reject; sp=none; aspf=r; rua=mailto:2908131124dc26a64720dfe48a565356-d@dmarc.report-uri.com"
_mta-sts.sbb.ch. IN TXT "v=STSv1; id=20240301T160000"
_smtp._tls.sbb.ch. IN TXT "v=TLSRPTv1; rua=mailto:2908131124dc26a64720dfe48a565356-d@tlsrpt.report-uri.com"