SSL-Tools

SSL check results of vom-bru.ch

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Discover if the mail servers for vom-bru.ch can be reached through a secure connection.

To establish a secure connection a mail server has to offer STARTTLS (SSL), a trustworthy SSL certificate, support for the Diffie-Hellman-Algorithm to guarantee Perfect Forward Secrecy and must not be vulnerable against the Heartbleed attack. Futhermore we recommend using end-to-end encryption with GnuPG.

Summary

JSON Refresh

Report created Thu, 18 Sep 2025 00:31:12 +0000

The mailservers of vom-bru.ch can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @vom-bru.ch addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.vom-bru.ch
2a00:98c7:1000:1300:6e4b:90ff:fe57:e7b1
 5
supported
vom-bru.ch
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s
mail.vom-bru.ch
213.255.218.23
 5
supported
vom-bru.ch
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s

Outgoing Mails

We have not received any emails from a @vom-bru.ch address so far. Test mail delivery

Certificates

First seen at:

CN=vom-bru.ch

Certificate chain
  • vom-bru.ch
    • remaining
    • 256 bit
    • ecdsa-with-SHA384
      • E8
        • remaining
        • 384 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • vom-bru.ch
Alternative Names
  • *.vom-bru.ch
  • vom-bru.ch
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E8
validity period
Not valid before
2025-08-25
Not valid after
2025-11-23
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
78:F3:BB:8F:3E:6A:80:E2:C7:3E:E4:D4:53:EC:17:1F:C8:B9:DA:21:A4:E2:89:2B:D4:EE:D1:37:29:7F:A6:85
SHA1
24:9D:93:96:E8:6C:08:7C:36:96:69:1F:F0:2B:0E:A0:D1:BF:2C:30
X509v3 extensions
subjectKeyIdentifier
  • AF:F2:21:A4:1A:5D:CC:2C:A8:A5:4E:54:B2:C0:AC:1B:26:A5:85:15
authorityKeyIdentifier
  • keyid:8F:0D:13:A2:F6:2E:7E:D1:50:6C:33:18:38:5D:59:8E:23:72:91:CA
authorityInfoAccess
  • CA Issuers - URI:http://e8.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://e8.c.lencr.org/77.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : CC:FB:0F:6A:85:71:09:65:FE:95:9B:53:CE:E9:B2:7C:
  • 22:E9:85:5C:0D:97:8D:B6:A9:7E:54:C0:FE:4C:0D:B0
  • Timestamp : Aug 25 16:08:32.307 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:A0:26:22:CB:EA:12:B2:C7:CA:6F:3D:
  • FF:C5:78:43:D8:E4:D9:C4:75:E8:B4:26:A6:15:16:1D:
  • 0A:AF:75:E4:6B:02:20:3E:58:82:6C:D9:04:21:30:16:
  • CB:8F:F0:50:E7:C3:AE:92:B7:EE:10:5D:4E:31:42:89:
  • D0:0B:C7:80:22:7A:D1
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : DD:DC:CA:34:95:D7:E1:16:05:E7:95:32:FA:C7:9F:F8:
  • 3D:1C:50:DF:DB:00:3A:14:12:76:0A:2C:AC:BB:C8:2A
  • Timestamp : Aug 25 16:08:32.355 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:D6:C8:D1:0A:E9:FD:03:75:2F:BA:B0:
  • A4:D1:91:17:76:F6:53:30:6D:29:F3:86:1E:93:E0:22:
  • B7:A3:D3:F9:DF:02:20:49:0E:7A:2F:99:E8:31:32:C7:
  • 3D:08:36:30:E6:92:7D:EE:EA:3C:CE:1A:71:7A:C5:A7:
  • D6:AA:B1:13:0D:FB:CC

DANE

DNS-based Authentication of Named Entities (DANE) is a protocol to allow X.509 certificates to be bound to DNS using TLSA records and DNSSEC.

Name Options DNSSEC Matches
_25._tcp.mail.vom-bru.ch
  • DANE-EE: Domain Issued Certificate
  • Use full certificate
  • SHA-256 Hash
valid
valid