Gemeinde Witterswil

witterswil.ch

Industry
Municipalities
Headquarters
Witterswil, Solothurn
Type
public
Population
1,475
FSO no.
2481
Checked on
19 October 2026
70/100Grade B

Protection against forged senders: protected

Points per criterion

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

Findings

  • !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
Amazon (WorkMail/SES)
Provider jurisdiction
USA · MX: US
Detection confidence
80 / 100
Signals (2)
MXAmazoninbound-smtp.eu-west-1.amazonaws.com
NetworkAmazonAS16509 AMAZON-02 - Amazon.com, Inc.

MX servers

PrefHostIPNetworkCountryTLSA
10 inbound-smtp.eu-west-1.amazonaws.com 18.200.203.69 AS16509 AMAZON-02 - Amazon.com, Inc. US –
54.155.140.59 AS16509 AMAZON-02 - Amazon.com, Inc. US
54.76.31.185 AS16509 AMAZON-02 - Amazon.com, Inc. US

SPF

v=spf1 mx a ip4:195.48.58.75 include:rzmail.hi-ag.ch include:spf1.egeko.ch -all
all
-all
DNS lookups
4 / 10
Includes
rzmail.hi-ag.chspf1.egeko.ch
IPv4
1 addresses authorised directly

DMARC

v=DMARC1; p=reject; rua=mailto:dmarc@hi-ag.ch; ruf=mailto:dmarc@hi-ag.ch; fo=1;
Policy
p=reject
Subdomains (sp)
inherits p=reject
Share (pct)
100 %
Alignment DKIM/SPF
relaxed / relaxed
Aggregate reports (rua)
dmarc@hi-ag.ch
Forensic reports (ruf)
dmarc@hi-ag.ch

DKIM

SelectorKeydelegated to
selector1 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

History

  • Score 70 · DMARC reject

All changes of this organisation in the change log →

Raw data
witterswil.ch. IN MX 10 inbound-smtp.eu-west-1.amazonaws.com.
witterswil.ch. IN TXT "v=spf1 mx a ip4:195.48.58.75 include:rzmail.hi-ag.ch include:spf1.egeko.ch -all"
_dmarc.witterswil.ch. IN TXT "v=DMARC1; p=reject; rua=mailto:dmarc@hi-ag.ch; ruf=mailto:dmarc@hi-ag.ch; fo=1;"

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