EY Schweiz

ch.ey.com

Industry: Consulting & audit
Headquarters: Zürich, Zurich
Type: private
Employees (approx.): 3,500
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.: 66.8 ▲ 3.2
Canton avg.: 53 ▲ 17
Overall avg.: 53.5 ▲ 16.5
Rank 18 of 45 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: Microsoft 365
Upstream gateway: Cisco Secure Email
Provider jurisdiction: USA · MX: US
Detection confidence: 97 / 100
Microsoft tenant: Managed · EY
Tenant region: EU

Signals (3)

SPF	Microsoft 365	`include:spf.protection.outlook.com`
DKIM	Microsoft 365	`selector1 → selector1-ch-ey-com._domainkey.eygs.onmicrosoft.com`
Entra ID	Microsoft 365	`Entra-ID-Tenant (Managed)`

MX servers

Pref	Host	IP	Network	Country	TLSA
0	`mx2.hc289-33.eu.iphmx.com`	`207.54.70.238`	AS30238 AS-IRONP-VEGA - Cisco Systems Ironport Division	US	–
0	`mx2.hc289-33.eu.iphmx.com`	`207.54.69.247`	AS30238 AS-IRONP-VEGA - Cisco Systems Ironport Division	US	–
0	`mx1.hc289-33.eu.iphmx.com`	`207.54.69.247`	AS30238 AS-IRONP-VEGA - Cisco Systems Ironport Division	US	–
0	`mx1.hc289-33.eu.iphmx.com`	`207.54.70.238`	AS30238 AS-IRONP-VEGA - Cisco Systems Ironport Division	US	–
5	`mx2.hc413-60.ap.iphmx.com`	`139.138.43.230`	AS30215 AS-CISCOHPS-APAC - Cisco Systems Ironport Division	US	–
5	`mx2.hc413-60.ap.iphmx.com`	`139.138.42.199`	AS30215 AS-CISCOHPS-APAC - Cisco Systems Ironport Division	US	–
5	`mx1.hc413-60.ap.iphmx.com`	`139.138.42.199`	AS30215 AS-CISCOHPS-APAC - Cisco Systems Ironport Division	US	–
5	`mx1.hc413-60.ap.iphmx.com`	`139.138.43.230`	AS30215 AS-CISCOHPS-APAC - Cisco Systems Ironport Division	US	–

SPF

v=spf1 include:spf.protection.outlook.com exists:%{i}._i.%{d}._d.espf.agari-dns.net include:%{d}.da.spf-protect.agari-dns.net -all

all: -all
DNS lookups: 3 / 10
Includes: spf.protection.outlook.com
Detected sending services: Microsoft 365

DMARC

v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:ey@rua.agari.com; ruf=mailto:ey@ruf.agari.com

Policy: p=reject
Subdomains (sp): inherits p=reject
Share (pct): 100 %
Alignment DKIM/SPF: relaxed / relaxed
Aggregate reports (rua): ey@rua.agari.com
Forensic reports (ruf): ey@ruf.agari.com
Report services: Agari (Fortra)

DKIM

Selector	Key	delegated to
`m1`	RSA 2048	–
`m2`	RSA 2048	–
`selector1`	RSA 2048	`selector1-ch-ey-com._domainkey.eygs.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

18 October 2026 Score 70 · DMARC reject

All changes of this organisation in the change log →

Raw data

ch.ey.com. IN MX 0 mx2.hc289-33.eu.iphmx.com.
ch.ey.com. IN MX 0 mx1.hc289-33.eu.iphmx.com.
ch.ey.com. IN MX 5 mx2.hc413-60.ap.iphmx.com.
ch.ey.com. IN MX 5 mx1.hc413-60.ap.iphmx.com.
ch.ey.com. IN TXT "v=spf1 include:spf.protection.outlook.com exists:%{i}._i.%{d}._d.espf.agari-dns.net include:%{d}.da.spf-protect.agari-dns.net -all"
_dmarc.ch.ey.com. IN TXT "v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:ey@rua.agari.com; ruf=mailto:ey@ruf.agari.com"

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