Rafael Pfister
+41 58 510 22 08 Consulting

EBL Elektra Baselland

ebl.ch

Industry
Energy
Headquarters
Liestal, Basel-Country
Type
cooperative
Employees (approx.)
300
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

  • !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 · EBL
Tenant region
EU
Signals (6)
MXMicrosoft 365ebl-ch.mail.protection.outlook.com
SPFMicrosoft 365include:spf.protection.outlook.com
DKIMMicrosoft 365selector1 → selector1-ebl-ch._domainkey.eblch.onmicrosoft.com
NetworkMicrosoft 365AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation
Domain verificationGoogle Workspacegoogle-site-verification=NNWeXkOLq54qwT-
Entra IDMicrosoft 365Entra-ID-Tenant (Managed)

MX servers

PrefHostIPNetworkCountryTLSA
10 ebl-ch.mail.protection.outlook.com 52.101.68.15 AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation US –
52.101.103.140 AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation US
52.101.73.120 AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation US

SPF

v=spf1 mx ip4:62.12.163.6 ip4:46.235.17.250 ip4:46.235.17.251 ip4:5.39.8.116 ip4:5.39.8.122 ip4:212.103.71.210 ip4:87.102.253.62 ip4:194.147.72.30 include:sendgrid.net include:4305242.spf02.hubspotemail.net include:spf.protection.outlook.com -all
all
-all
DNS lookups
5 / 10
Includes
sendgrid.net4305242.spf02.hubspotemail.netspf.protection.outlook.com
Detected sending services
SendGrid, HubSpot, Microsoft 365
IPv4
8 addresses authorised directly

DMARC

v=DMARC1; p=reject;adkim=r;aspf=r;pct=100;sp=quarantine;rua=mailto:dmarc@bhjax5e3.uriports.com;ruf=mailto:dmarc@bhjax5e3.uriports.com;rf=afrf;ri=86400;fo=1
Policy
p=reject
Subdomains (sp)
quarantine
Share (pct)
100 %
Alignment DKIM/SPF
relaxed / relaxed
Aggregate reports (rua)
dmarc@bhjax5e3.uriports.com
Forensic reports (ruf)
dmarc@bhjax5e3.uriports.com
Report services
URIports

DKIM

SelectorKeydelegated to
hs1 RSA 2048 ebl-ch.hs01a.dkim.hubspotemail.net
hs2 RSA 2048 ebl-ch.hs01b.dkim.hubspotemail.net
mailjet RSA 1024 –
s1 RSA 2048 s1.domainkey.u22782840.wl091.sendgrid.net
s2 RSA 2048 s2.domainkey.u22782840.wl091.sendgrid.net
selector1 RSA 1024 selector1-ebl-ch._domainkey.eblch.onmicrosoft.com
selector2 RSA 1024 selector2-ebl-ch._domainkey.eblch.onmicrosoft.com
smtpapi RSA 1024 –

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.

GoogleAppleHubSpot

History

  • Score 70 · DMARC reject

All changes of this organisation in the change log →

Raw data 
ebl.ch. IN MX 10 ebl-ch.mail.protection.outlook.com.
ebl.ch. IN TXT "v=spf1 mx ip4:62.12.163.6 ip4:46.235.17.250 ip4:46.235.17.251 ip4:5.39.8.116 ip4:5.39.8.122 ip4:212.103.71.210 ip4:87.102.253.62 ip4:194.147.72.30 include:sendgrid.net include:4305242.spf02.hubspotemail.net include:spf.protection.outlook.com -all"
_dmarc.ebl.ch. IN TXT "v=DMARC1; p=reject;adkim=r;aspf=r;pct=100;sp=quarantine;rua=mailto:dmarc@bhjax5e3.uriports.com;ruf=mailto:dmarc@bhjax5e3.uriports.com;rf=afrf;ri=86400;fo=1"

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