Gemeinde Mellingen
mellingen.ch
- Industry
- Municipalities
- Headquarters
- Mellingen, Aargau
- Type
- public
- Population
- 6,324
- FSO no.
- 4033
- Checked on
- 19 October 2026
64/100Grade C
Protection against forged senders: largely protected
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
- Industry avg.: 50.9 ▲ 13.1
- Canton avg.: 57.3 ▲ 6.7
- Overall avg.: 53.5 ▲ 10.5
- Rank 606 of 2077 in the industry
Findings
-
!External report receiver not authorised
The authorisation record for an external rua domain is missing (RFC 7489 §7.1); many receivers then send no reports.
-
!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.
-
iStrict DMARC alignment
adkim=s or aspf=s requires exact domain matches. Secure, but demanding when sending from subdomains.
Who runs the mail?
- Mailbox provider
- Self-hosted / other
- Provider jurisdiction
- Switzerland · MX: CH
- Detection confidence
- 85 / 100
- Microsoft tenant
- Managed · Stadt Mellingen
- Tenant region
- EU
Signals (1)
| Entra ID | Microsoft 365 | Entra-ID-Tenant (Managed) |
|---|
MX servers
| Pref | Host | IP | Network | Country | TLSA |
|---|---|---|---|---|---|
| 10 | cleanmail.1solution.ch | 185.185.200.130 | AS25091 IP-Max - IP-Max SA | CH | – |
SPF
v=spf1 mx ip4:185.185.200.130 -all- all
-all- DNS lookups
- 1 / 10
- IPv4
- 1 addresses authorised directly
DMARC
v=DMARC1;p=quarantine;pct=100;rua=mailto:support@1solution.ch;ri=86400;adkim=s;fo=1;- Policy
- p=quarantine
- Subdomains (sp)
- inherits p=quarantine
- Share (pct)
- 100 %
- Alignment DKIM/SPF
- strict / relaxed
- Aggregate reports (rua)
support@1solution.ch
DKIM
| Selector | Key | delegated 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
History
- Score 64 · DMARC quarantine
Raw data
mellingen.ch. IN MX 10 cleanmail.1solution.ch.
mellingen.ch. IN TXT "v=spf1 mx ip4:185.185.200.130 -all"
_dmarc.mellingen.ch. IN TXT "v=DMARC1;p=quarantine;pct=100;rua=mailto:support@1solution.ch;ri=86400;adkim=s;fo=1;"