Allreal

allreal.ch

Industry: Construction & real estate
Headquarters: Baar, Zurich
Type: listed
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.: 58.2 ▲ 15.8
Canton avg.: 53 ▲ 21
Overall avg.: 53.5 ▲ 20.5
Rank 6 of 67 in the industry

Findings

!SPF close to the 10-lookup limit (9)

One more sending service can break the limit. Flattening or subdomains for third parties create headroom.
!DKIM key below 2048 bits

RSA-1024 is considered too weak (RFC 8301, M3AAWG). Rotate to 2048-bit keys.
!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: US
Detection confidence: 100 / 100
Microsoft tenant: Managed · Allreal Generalunternehmung AG
Tenant region: EU

Signals (8)

MX	Microsoft 365	`allreal-ch.mail.protection.outlook.com`
SPF	Microsoft 365	`include:spf.protection.outlook.com`
DKIM	Microsoft 365	`selector1 → selector1-allreal-ch._domainkey.challreal.onmicrosoft.com`
Autodiscover	Microsoft 365	`autodiscover.outlook.com`
Domain verification	Microsoft 365	`MS=ms51434256`
Network	Microsoft 365	`AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation`
Domain verification	Google Workspace	`google-site-verification=5Fthy4uALK_2xgt`
Entra ID	Microsoft 365	`Entra-ID-Tenant (Managed)`

MX servers

Pref	Host	IP	Network	Country	TLSA
10	`allreal-ch.mail.protection.outlook.com`	`52.101.187.1`	AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation	US	–
		`52.101.185.12`	AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation	US
		`52.101.185.14`	AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation	US

SPF

v=spf1 mx ip4:194.209.104.166 ip4:194.209.104.170 ip4:194.209.104.172 include:spf.protection.outlook.com include:spf.crsend.com include:mailgun.org a:mailing.netrics.ch -all

all: -all
DNS lookups: 9 / 10
Includes: spf.protection.outlook.comspf.crsend.commailgun.org
Detected sending services: Microsoft 365, Mailgun
IPv4: 3 addresses authorised directly

DMARC

v=DMARC1; p=quarantine; pct=100; rua=mailto:postmaster@allreal.ch,mailto:dmarc_agg@vali.email; ruf=mailto:postmaster@allreal.ch; adkim=r; aspf=r; fo=1

Policy: p=quarantine
Subdomains (sp): inherits p=quarantine
Share (pct): 100 %
Alignment DKIM/SPF: relaxed / relaxed
Aggregate reports (rua): postmaster@allreal.chdmarc_agg@vali.email
Forensic reports (ruf): postmaster@allreal.ch

DKIM

Selector	Key	delegated to
`k2`	RSA 2048	`dkim2.mcsv.net`
`k3`	RSA 2048	`dkim3.mcsv.net`
`mta`	RSA 1024	–
`selector1`	RSA 1024	`selector1-allreal-ch._domainkey.challreal.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 365GoogleAppleMiroAutodesk

History

18 October 2026 Score 74 · DMARC quarantine

All changes of this organisation in the change log →

Raw data

allreal.ch. IN MX 10 allreal-ch.mail.protection.outlook.com.
allreal.ch. IN TXT "v=spf1 mx ip4:194.209.104.166 ip4:194.209.104.170 ip4:194.209.104.172 include:spf.protection.outlook.com include:spf.crsend.com include:mailgun.org a:mailing.netrics.ch -all"
_dmarc.allreal.ch. IN TXT "v=DMARC1; p=quarantine; pct=100; rua=mailto:postmaster@allreal.ch,mailto:dmarc_agg@vali.email; ruf=mailto:postmaster@allreal.ch; adkim=r; aspf=r; fo=1"

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