Interkantonale Geldspielaufsicht GESPA

gespa.ch

Industry: Intercantonal bodies
Headquarters: Bern, Bern
Type: public
Checked on: 19 October 2026

70/100Grade B

Protection against forged senders: protected

Points per criterion

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

Industry avg.: 54.8 ▲ 15.2
Canton avg.: 53.1 ▲ 16.9
Overall avg.: 53.5 ▲ 16.5
Rank 4 of 19 in the industry

Findings

!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: Self-hosted / other
Provider jurisdiction: Switzerland · MX: CH
Detection confidence: 85 / 100
Microsoft tenant: Managed · GESPA.CH
Tenant region: EU

Signals (3)

Domain verification	Microsoft 365	`MS=ms25772663`
Network	Swisscom	`AS3303 SWISSCOM - Swisscom (Schweiz) AG`
Entra ID	Microsoft 365	`Entra-ID-Tenant (Managed)`

MX servers

Pref	Host	IP	Network	Country	TLSA
10	`mx1.gespa.ch`	`81.63.169.53`	AS3303 SWISSCOM - Swisscom (Schweiz) AG	CH	–

SPF

v=spf1 include:_spf.cmsbox.com ip4:81.63.169.52/29 include:servers.mcsv.net include:spf.privasphere.com ip4:212.103.90.80/28 -all

all: -all
DNS lookups: 4 / 10
Includes: _spf.cmsbox.comservers.mcsv.netspf.privasphere.com
Detected sending services: Mailchimp/Mandrill
IPv4: 24 addresses authorised directly

DMARC

v=DMARC1; p=reject; rua=mailto:dmarc@gespa.ch; ruf=mailto:dmarc@gespa.ch;

Policy: p=reject
Subdomains (sp): inherits p=reject
Share (pct): 100 %
Alignment DKIM/SPF: relaxed / relaxed
Aggregate reports (rua): dmarc@gespa.ch
Forensic reports (ruf): dmarc@gespa.ch

DKIM

Selector	Key	delegated to
`k2`	RSA 2048	`dkim2.mcsv.net`
`k3`	RSA 2048	`dkim3.mcsv.net`

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

19 October 2026 Score 70 · DMARC reject

All changes of this organisation in the change log →

Raw data

gespa.ch. IN MX 10 mx1.gespa.ch.
gespa.ch. IN TXT "v=spf1 include:_spf.cmsbox.com ip4:81.63.169.52/29 include:servers.mcsv.net include:spf.privasphere.com ip4:212.103.90.80/28 -all"
_dmarc.gespa.ch. IN TXT "v=DMARC1; p=reject; rua=mailto:dmarc@gespa.ch; ruf=mailto:dmarc@gespa.ch;"

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