Stadt Dietikon

dietikon.ch

Industry
Municipalities
Headquarters
Dietikon, Zurich
Type
public
Population
28,325
FSO no.
243
Checked on
19 October 2026
51/100Grade C

Protection against forged senders: not protected (monitoring only)

Points per criterion

  • MX 10 / 10
  • SPF 15 / 15
  • DKIM 20 / 20
  • DMARC 6 / 25
  • DNSSEC 0 / 10
  • Transport (MTA-STS/DANE) 0 / 15
  • TLS-RPT 0 / 5

Findings

  • ✕DMARC in monitoring mode only (p=none)

    p=none provides reports but does not reject a single forgery. The goal is p=reject.

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

    One more sending service can break the limit. Flattening or subdomains for third parties create headroom.

  • !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
Upstream gateway
Abraxas
Provider jurisdiction
USA · MX: CH
Detection confidence
88 / 100
Microsoft tenant
Managed · Stadt Dietikon
Tenant region
EU
Signals (2)
SPFMicrosoft 365include:spf.protection.outlook.com
Entra IDMicrosoft 365Entra-ID-Tenant (Managed)

MX servers

PrefHostIPNetworkCountryTLSA
10 mta2.abxsec.com 193.246.95.121 AS9108 ABXnet - Abraxas Informatik AG CH –
10 mta1.abxsec.com 193.246.95.101 AS9108 ABXnet - Abraxas Informatik AG CH –

SPF

v=spf1 mx ip4:193.246.68.28 ip4:193.246.68.29 ip4:193.246.80.28 ip4:193.246.80.29 include:_spf.i-web.ch include:_spf.abxsec.com include:spf.protection.outlook.com include:mail01.refline.ch include:mail02.refline.ch -all
all
-all
DNS lookups
10 / 10
Includes
_spf.i-web.ch_spf.abxsec.comspf.protection.outlook.commail01.refline.chmail02.refline.ch
Detected sending services
Microsoft 365
IPv4
4 addresses authorised directly

DMARC

v=DMARC1; p=none; rua=mailto:8b073e41@in.mailhardener.com
Policy
p=none
Subdomains (sp)
inherits p=none
Share (pct)
100 %
Alignment DKIM/SPF
relaxed / relaxed
Aggregate reports (rua)
8b073e41@in.mailhardener.com
Report services
Mailhardener

DKIM

SelectorKeydelegated to
default RSA 2048 –

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.

AppleMeta/FacebookAdobeCisco Webex

History

  • Score 51 · DMARC none

All changes of this organisation in the change log →

Raw data
dietikon.ch. IN MX 10 mta2.abxsec.com.
dietikon.ch. IN MX 10 mta1.abxsec.com.
dietikon.ch. IN TXT "v=spf1 mx ip4:193.246.68.28 ip4:193.246.68.29 ip4:193.246.80.28 ip4:193.246.80.29 include:_spf.i-web.ch include:_spf.abxsec.com include:spf.protection.outlook.com include:mail01.refline.ch include:mail02.refline.ch -all"
_dmarc.dietikon.ch. IN TXT "v=DMARC1; p=none; rua=mailto:8b073e41@in.mailhardener.com"

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