Fixit

fixit.ch

Industry: Building materials
Headquarters: Holderbank, Aargau
Type: private
Employees (approx.): 300
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.: 60.3 ▲ 13.7
Canton avg.: 57.3 ▲ 16.7
Overall avg.: 53.5 ▲ 20.5
Rank 4 of 20 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.
!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 · Fixit TM Holding GmbH
Tenant region: EU

Signals (8)

MX	Microsoft 365	`fixit-ch.mail.protection.outlook.com`
SPF	Microsoft 365	`include:spf.protection.outlook.com`
DKIM	Microsoft 365	`selector1 → selector1-fixit-ch._domainkey.fixitholding.q-v1.dkim.mail.microsoft`
Autodiscover	Microsoft 365	`autodiscover.outlook.com`
Domain verification	Microsoft 365	`MS=ms66879360`
Network	Microsoft 365	`AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation`
Domain verification	Google Workspace	`google-site-verification=uKYtvODJw3mar7E`
Entra ID	Microsoft 365	`Entra-ID-Tenant (Managed)`

MX servers

Pref	Host	IP	Network	Country	TLSA
0	`fixit-ch.mail.protection.outlook.com`	`52.101.170.0`	AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation	US	–
		`52.101.168.0`	AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation	US
		`52.101.170.1`	AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation	US

SPF

v=spf1 mx ip4:195.48.72.100 ip4:185.214.230.128 a:fx-lb.atnet-web.solutions a:mail.ostendis.ch include:aspmx.pardot.com include:spf-de.emailsignatures365.com include:_spf.salesforce.com include:spf.protection.outlook.com -all

all: -all
DNS lookups: 9 / 10
Includes: aspmx.pardot.comspf-de.emailsignatures365.com_spf.salesforce.comspf.protection.outlook.com
Detected sending services: Salesforce, Microsoft 365
IPv4: 2 addresses authorised directly

DMARC

v=DMARC1;p=quarantine;pct=100;rua=mailto:dmarc-reports@fixit.ch;ruf=mailto:dmarc-reports@fixit.ch;ri=86400;fo=1;

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

DKIM

Selector	Key	delegated to
`dkim1`	RSA 2048	`dkim1.c3vxo5.custdkim.salesforce.com`
`dkim2`	RSA 2048	`dkim2.5p3845.custdkim.salesforce.com`
`selector1`	RSA 2048	`selector1-fixit-ch._domainkey.fixitholding.q-v1.dkim.mail.microsoft`
`selector2`	RSA 2048	`selector2-fixit-ch._domainkey.fixitholding.q-v1.dkim.mail.microsoft`

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 365GoogleAtlassianAutodeskTeamViewer

History

19 October 2026 Score 74 · DMARC quarantine

All changes of this organisation in the change log →

Raw data

fixit.ch. IN MX 0 fixit-ch.mail.protection.outlook.com.
fixit.ch. IN TXT "v=spf1 mx ip4:195.48.72.100 ip4:185.214.230.128 a:fx-lb.atnet-web.solutions a:mail.ostendis.ch include:aspmx.pardot.com include:spf-de.emailsignatures365.com include:_spf.salesforce.com include:spf.protection.outlook.com -all"
_dmarc.fixit.ch. IN TXT "v=DMARC1;p=quarantine;pct=100;rua=mailto:dmarc-reports@fixit.ch;ruf=mailto:dmarc-reports@fixit.ch;ri=86400;fo=1;"

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