Holdigaz
holdigaz.ch
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.: 60.5 ▲ 13.5
- Canton avg.: 58.5 ▲ 15.5
- Overall avg.: 53.5 ▲ 20.5
- Rank 8 of 43 in the industry
Findings
-
!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.
Who runs the mail?
- Mailbox provider
- Self-hosted / other
- Provider jurisdiction
- Switzerland · MX: CH
- Detection confidence
- 85 / 100
- Microsoft tenant
- Managed · Holdinova SA
- Tenant region
- EU
Signals (4)
| Domain verification | Microsoft 365 | MS=ms73449032 |
|---|---|---|
| Domain verification | Google Workspace | google-site-verification=rMLLLMhNVAOy0wX |
| Network | Swiss hoster | AS6730 SUNRISE - Sunrise GmbH |
| Entra ID | Microsoft 365 | Entra-ID-Tenant (Managed) |
MX servers
| Pref | Host | IP | Network | Country | TLSA |
|---|---|---|---|---|---|
| 10 | mail2.holdigaz-it.ch | 31.10.248.101 | AS6730 SUNRISE - Sunrise GmbH | CH | – |
SPF
v=spf1 ip4:31.10.248.96/28 ip4:46.140.182.98/29 include:holdigaz-it.ch -all- all
-all- DNS lookups
- 1 / 10
- Includes
holdigaz-it.ch- IPv4
- 24 addresses authorised directly
DMARC
v=DMARC1; p=quarantine; pct=100; rua=mailto:postmaster@holdigaz.ch; ruf=mailto:postmaster@holdigaz.ch; sp=quarantine; fo=1; adkim=r; aspf=r- Policy
- p=quarantine
- Subdomains (sp)
- quarantine
- Share (pct)
- 100 %
- Alignment DKIM/SPF
- relaxed / relaxed
- Aggregate reports (rua)
postmaster@holdigaz.ch- Forensic reports (ruf)
postmaster@holdigaz.ch
DKIM
| Selector | Key | delegated to |
|---|---|---|
selector1 | RSA 2048 | – |
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 365GoogleAppleCisco Webex
History
- Score 74 · DMARC quarantine
Raw data
holdigaz.ch. IN MX 10 mail2.holdigaz-it.ch.
holdigaz.ch. IN TXT "v=spf1 ip4:31.10.248.96/28 ip4:46.140.182.98/29 include:holdigaz-it.ch -all"
_dmarc.holdigaz.ch. IN TXT "v=DMARC1; p=quarantine; pct=100; rua=mailto:postmaster@holdigaz.ch; ruf=mailto:postmaster@holdigaz.ch; sp=quarantine; fo=1; adkim=r; aspf=r"