Sympany

sympany.ch

Industry
Health insurers
Headquarters
Basel, Basel-City
Type
private
Employees (approx.)
500
Checked on
19 October 2026
64/100Grade C

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

Points per criterion

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

Findings

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

    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 · sympany.ch
Tenant region
EU
Signals (8)
MXMicrosoft 365sympany-ch.mail.protection.outlook.com
SPFMicrosoft 365include:spf.protection.outlook.com
DKIMMicrosoft 365selector1 → selector1-sympany-ch._domainkey.sympanych.onmicrosoft.com
AutodiscoverMicrosoft 365autodiscover.outlook.com
Domain verificationMicrosoft 365MS=ms11684242
NetworkMicrosoft 365AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation
SPFAmazoninclude:amazonses.com
Entra IDMicrosoft 365Entra-ID-Tenant (Managed)

MX servers

PrefHostIPNetworkCountryTLSA
0 sympany-ch.mail.protection.outlook.com 52.101.187.1 AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation US –
52.101.185.13 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 a mx include:spf.ampuls.ch include:myr.is include:spf.mailjet.com include:spf.protection.outlook.com include:amazonses.com mx:hin.ch ip4:93.94.66.161 include:spf.augure.com include:_spf.general.transactional-mail-a.com -all
all
-all
DNS lookups
10 / 10
Includes
spf.ampuls.chmyr.isspf.mailjet.comspf.protection.outlook.comamazonses.comspf.augure.com_spf.general.transactional-mail-a.com
Detected sending services
Mailjet, Microsoft 365, Amazon SES
IPv4
1 addresses authorised directly

DMARC

v=DMARC1; p=quarantine; sp=none; rua=mailto:dmarc@sympany.ch; ruf=mailto:dmarc@sympany.ch; rf=afrf; pct=100; ri=86400
Policy
p=quarantine
Subdomains (sp)
none
Share (pct)
100 %
Alignment DKIM/SPF
relaxed / relaxed
Aggregate reports (rua)
dmarc@sympany.ch
Forensic reports (ruf)
dmarc@sympany.ch

DKIM

SelectorKeydelegated to
mail RSA 1024 –
mailjet RSA 1024 –
selector1 RSA 1024 selector1-sympany-ch._domainkey.sympanych.onmicrosoft.com
selector2 RSA 1024 selector2-sympany-ch._domainkey.sympanych.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 365Meta/FacebookAtlassianDocuSignMiro

History

  • Score 64 · DMARC quarantine

All changes of this organisation in the change log →

Raw data
sympany.ch. IN MX 0 sympany-ch.mail.protection.outlook.com.
sympany.ch. IN TXT "v=spf1 a mx include:spf.ampuls.ch include:myr.is include:spf.mailjet.com include:spf.protection.outlook.com include:amazonses.com mx:hin.ch ip4:93.94.66.161 include:spf.augure.com include:_spf.general.transactional-mail-a.com -all"
_dmarc.sympany.ch. IN TXT "v=DMARC1; p=quarantine; sp=none; rua=mailto:dmarc@sympany.ch; ruf=mailto:dmarc@sympany.ch; rf=afrf; pct=100; ri=86400"

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