u-blox

u-blox.com

Industry: Machinery & electrical
Headquarters: Thalwil, Zurich
Type: private
Employees (approx.): 1,300
Checked on: 19 October 2026

62/100Grade C

Protection against forged senders: largely protected, with a gap: subdomains not protected (sp=none)

Points per criterion

MX 10 / 10
SPF 13 / 15
DKIM 20 / 20
DMARC 19 / 25
DNSSEC 0 / 10
Transport (MTA-STS/DANE) 0 / 15
TLS-RPT 0 / 5

Industry avg.: 62.2 ▼ 0.2
Canton avg.: 53 ▲ 9
Overall avg.: 53.5 ▲ 8.5
Rank 71 of 112 in the industry

Findings

!SPF close to the 10-lookup limit (8)

One more sending service can break the limit. Flattening or subdomains for third parties create headroom.
!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.
!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 · u-blox
Tenant region: EU

Signals (9)

MX	Microsoft 365	`ublox-com0c.mail.protection.outlook.com`
SPF	Microsoft 365	`include:spf.protection.outlook.com`
DKIM	Microsoft 365	`selector1 → selector1-ublox-com0c._domainkey.ubloxcom.onmicrosoft.com`
Autodiscover	Microsoft 365	`autodiscover.outlook.com`
Domain verification	Microsoft 365	`MS=ms67100205`
Network	Microsoft 365	`AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation`
Domain verification	Google Workspace	`google-site-verification=7Ue95SLqV2bAeNC`
SPF	Amazon	`include:amazonses.com`
Entra ID	Microsoft 365	`Entra-ID-Tenant (Managed)`

MX servers

Pref	Host	IP	Network	Country	TLSA
10	`ublox-com0c.mail.protection.outlook.com`	`52.101.68.12`	AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation	US	–
		`52.101.103.137`	AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation	US
		`52.101.209.28`	AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation	US

SPF

v=spf1 include:spf-subnet.u-blox.com include:spf.protection.outlook.com include:_spf.salesforce.com include:_spf.atlassian.net include:mail.zendesk.com include:spf.abacuscity.ch ~all

all: ~all
DNS lookups: 8 / 10
Includes: spf-subnet.u-blox.comspf.protection.outlook.com_spf.salesforce.com_spf.atlassian.netmail.zendesk.comspf.abacuscity.ch
Detected sending services: Microsoft 365, Salesforce, Atlassian, Amazon SES, Zendesk

DMARC

v=DMARC1; p=quarantine; rua=mailto:hostmaster@u-blox.com,mailto:dmarc@n7jtypz8.uriports.com; fo=1:d:s; ruf=mailto:hostmaster@u-blox.com,mailto:dmarc@n7jtypz8.uriports.com; sp=none; ri=86400

Policy: p=quarantine
Subdomains (sp): none
Share (pct): 100 %
Alignment DKIM/SPF: relaxed / relaxed
Aggregate reports (rua): hostmaster@u-blox.comdmarc@n7jtypz8.uriports.com
Forensic reports (ruf): hostmaster@u-blox.comdmarc@n7jtypz8.uriports.com
Report services: URIports

DKIM

Selector	Key	delegated to
`selector1`	RSA 1024	`selector1-ublox-com0c._domainkey.ubloxcom.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.

Microsoft 365GoogleAtlassianMiroTeamViewer

History

18 October 2026 Score 62 · DMARC quarantine

All changes of this organisation in the change log →

Raw data

u-blox.com. IN MX 10 ublox-com0c.mail.protection.outlook.com.
u-blox.com. IN TXT "v=spf1 include:spf-subnet.u-blox.com include:spf.protection.outlook.com include:_spf.salesforce.com include:_spf.atlassian.net include:mail.zendesk.com include:spf.abacuscity.ch ~all"
_dmarc.u-blox.com. IN TXT "v=DMARC1; p=quarantine; rua=mailto:hostmaster@u-blox.com,mailto:dmarc@n7jtypz8.uriports.com; fo=1:d:s; ruf=mailto:hostmaster@u-blox.com,mailto:dmarc@n7jtypz8.uriports.com; sp=none; ri=86400"

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