Kempinski
kempinski.com
- Industry
- Tourism & hospitality
- Headquarters
- Genève, Geneva
- Type
- private
- Employees (approx.)
- 300
- Checked on
- 19 October 2026
85/100Grade A
Protection against forged senders: protected
Points per criterion
- MX 10 / 10
- SPF 13 / 15
- DKIM 20 / 20
- DMARC 25 / 25
- DNSSEC 0 / 10
- Transport (MTA-STS/DANE) 12 / 15
- TLS-RPT 5 / 5
- Industry avg.: 57.3 ▲ 27.7
- Canton avg.: 51.9 ▲ 33.1
- Overall avg.: 53.5 ▲ 31.5
- Rank 1 of 38 in the industry
Findings
-
!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.
Who runs the mail?
- Mailbox provider
- Google Workspace
- Provider jurisdiction
- USA · MX: US
- Detection confidence
- 84 / 100
- Microsoft tenant
- Federated · Kempinski
- Tenant region
- EU
- Federated via
login.kempinski.com
Signals (7)
| Domain verification | Microsoft 365 | MS=ms10169476 |
|---|---|---|
| MX | Google Workspace | aspmx.l.google.com |
| DKIM | Google Workspace | google |
| Domain verification | Google Workspace | google-site-verification=ThLiyjxMa8daQTX |
| Network | Google Workspace | AS15169 GOOGLE - Google LLC |
| Domain verification | Amazon | amazonses:+Xc/yL59CXdiyZfNh6IkFQXhPE7j9i |
| Entra ID | Microsoft 365 | Entra-ID-Tenant (Federated) |
MX servers
| Pref | Host | IP | Network | Country | TLSA |
|---|---|---|---|---|---|
| 1 | aspmx.l.google.com | 142.251.127.26 | AS15169 GOOGLE - Google LLC | US | – |
| 5 | alt1.aspmx.l.google.com | 142.250.147.27 | AS15169 GOOGLE - Google LLC | US | – |
| 5 | alt2.aspmx.l.google.com | 172.253.152.26 | AS15169 GOOGLE - Google LLC | US | – |
| 10 | alt3.aspmx.l.google.com | 192.179.20.27 | AS15169 GOOGLE - Google LLC | US | – |
| 10 | alt4.aspmx.l.google.com | 192.178.158.27 | AS15169 GOOGLE - Google LLC | US | – |
SPF
v=spf1 include:_u.kempinski.com._spf.smart.ondmarc.com ~all- all
~all- DNS lookups
- 7 / 10
- Includes
_u.kempinski.com._spf.smart.ondmarc.com
DMARC
v=DMARC1; p=reject; pct=100; sp=reject; rua=mailto:ce09076e@inbox.ondmarc.com; ruf=mailto:ce09076e@inbox.ondmarc.com; adkim=r; aspf=r; fo=0; rf=afrf; ri=3600- Policy
- p=reject
- Subdomains (sp)
- reject
- Share (pct)
- 100 %
- Alignment DKIM/SPF
- relaxed / relaxed
- Aggregate reports (rua)
ce09076e@inbox.ondmarc.com- Forensic reports (ruf)
ce09076e@inbox.ondmarc.com- Report services
- Red Sift OnDMARC
DKIM
| Selector | Key | delegated to |
|---|---|---|
google | RSA 2048 | – |
mandrill | RSA 1024 | – |
s1 | RSA 2048 | s1.domainkey.u10667461.wl212.sendgrid.net |
s2 | RSA 1024 | s2.domainkey.u10667461.wl212.sendgrid.net |
Checked: 100 common selectors. Keys under custom selectors remain invisible.
Transport encryption
- MTA-STS
- Mode: enforce · max_age: 1,209,600 s · covers all MX: yes
- mx
aspmx.l.google.comalt2.aspmx.l.google.comalt1.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.com- DANE
- missing
- DNSSEC
- missing
- TLS-RPT
mailto:ce09076e@inbox.ondmarc.com- BIMI
- missing
Verified services
From verification records in the domain TXT: services where the domain is verified.
Microsoft 365GoogleAmazon SESGlobalSignDropbox
History
- Score 85 · DMARC reject
Raw data
kempinski.com. IN MX 1 aspmx.l.google.com.
kempinski.com. IN MX 5 alt1.aspmx.l.google.com.
kempinski.com. IN MX 5 alt2.aspmx.l.google.com.
kempinski.com. IN MX 10 alt3.aspmx.l.google.com.
kempinski.com. IN MX 10 alt4.aspmx.l.google.com.
kempinski.com. IN TXT "v=spf1 include:_u.kempinski.com._spf.smart.ondmarc.com ~all"
_dmarc.kempinski.com. IN TXT "v=DMARC1; p=reject; pct=100; sp=reject; rua=mailto:ce09076e@inbox.ondmarc.com; ruf=mailto:ce09076e@inbox.ondmarc.com; adkim=r; aspf=r; fo=0; rf=afrf; ri=3600"
_mta-sts.kempinski.com. IN TXT "v=STSv1; id=1708337150608"
_smtp._tls.kempinski.com. IN TXT "v=TLSRPTv1; rua=mailto:ce09076e@inbox.ondmarc.com"